6ca7 Tube Amplifier

6CA7-Z/6CA7/EL34 Shuguang. The EL34 is a thermionic valve or vacuum tube of the power pentode type. Item: Matched Pair XF3 Mullard/Philips EL34/6CA7 Tubes Location: Port Macquarie NSW Price: $175 posted to most states Item Condition: Good Reason for selling: NLR. Other similar, but not identical power pentode tubes are the KT77 and 6CA7. I started learning about the art of vacuum tube amplifier design and build in 2014. Vacuum tubes. These have large plates with 3 holes and are known to sound very good and to be very rugged. Vacuum Tube Supplies, LLC. Cord - 4x 6CA7 head (p) Multiple threads primarily concerned with solid-state amplifers but also covers valve/tube and hybrid amps, mainly of American or British. Then they introduced the - 4688 and 4689 in 1940 the. These EHX 6CA7 tubes should come standard with this 100 watt Traynor head. What The Tubes Do In Most Marshall Tube Amps July 8, 2016; Burning In 6SN7 Tubes for the Dark Voice 336SE Headphone Amp July 7, 2016; Chicago Blues Box Amps – Dan Butler Interview June 9, 2016; Back To The Future for Vacuum Tube Technology June 7, 2016; Guitar Flamethrower – Tone On Fire May 24, 2016; What Tubes Do In Most Early Fender. It has an international octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters. By simply changing the power mode, 6V6, 6L6/EL34 and most of the KT series tubes can be used. Highly modified amp. KT88 KTxx Single-Ended Amp; KT88 KT120 KTxx Push-Pull Amp; 300B 2A3C tube amp; 845 805 211 Other Triode Amp; 6V6 6P6P tube amps; Special music tube amp. The first working popular pentodes were the AL5 and EL5 in 1937. The data of this tube was much better than anything made before in the west and SanEi of Japan imported some 6C33C tubes for audio application in 1997, renaming them EC33C for the Japanese consumer. Other similar, but not identical power pentode tubes are the KT77 and 6CA7. : ACME 805 (replace other 805 tubes directly) Aluminum teflon tube base Maximum Rating Ua-----1500 V Pa-----125 W Recommended Operating Conditions (reference value) class B(A-F) for two tubes typical working condition limited parameter Ua-----. These can be substituted with appropriate bias adjustment. Fake Review and Counterfeit Analysis for YAQIN MC-13S EL34 6CA7 4 Vacuum Tube Integrated Push-Pull Amplifier Silver. This is a warm, thick, dense tube with world-class tonality for lovers of guitar music from Esteban to Stevie Ray Vaughan. Manley tried very hard to filter out the bad tubes, even building a new test rig, but the bombs still got through, so they switched to Electro Harmonix 6CA7 as the factory issued tube for new Snappers. YAQIN MC-13S GD 6CA7 BL Vacuum Tube Push-Pull Integrated Amplifier NEW MC-10T - $928. Power Tube; The Comparative Table of Power Triodes; WE300B; The Comparative Table of Power Pentodes; EL34/6CA7; KT88; The Comparative Table of 100W-class Power Triodes; The Comparative Table of 250W-class Power Triodes; The Comparative Table of Power Tubes for OTL; Voltage-amp Tube; The Comparative Table of Twin Triodes. These "new" copy 6CA7 tubes are nothing more than the companies EL-34 in a big bottle without the active beam forming element, and generally show performance inferior to the same companies EL34. Please visit my Tube Amplifier Forum Here's the place you can go to ask tube amplifier questions. The KT77 is an interesting tube and is a drop-in substitute for the EL34. 6CA7 developed by Sylvania to be compatible with the EL34. This amplifier was later used as a PA system for a commercial popgroup. The book has been updated, expanded, reorganized, and replaced by Guitar Amplifier Electronics: Basic Theory and Fundamentals of Guitar Amplifier System Design. Perfect to use with phone or I pad direct in has a lot of umph for such a small amp. 6CA7 is just the American name for EL34, also more rugged, but functionally identical. com has thousands of new and NOS vacuum tubes for the audiophile, guitar amps, industrial, ham radio and special purpose. AK 06V1 offered from PCB Electronics Supply Chain shipps same day. Amplifier Repair & Modifications. The JJ 6CA7 has more beef then the EL34 but retains clarity and freshness all around. Designed to the exacting specifications of the Phillips 6CA7, this classic tetrode returns to life in a big bottle design. The stock 6ca7 power tubes are ok, but a little bright for my taste (at least on klipsch). this is how a guitar would sound during the 1970's. Because of tube variability, a three-tier approach is best. The 6CA7s have really great range combined with excellent reliability. Title: 6146B 8298A Author: RCA Subject: FP-2000-09-30 Created Date: 10/1/2000 1:01:30 AM. headphone amplifier, mtx audio and tube amp sold by chinahifiaudio are in the list of top best-sellers. Manley tried very hard to filter out the bad tubes, even building a new test rig, but the bombs still got through, so they switched to Electro Harmonix 6CA7 as the factory issued tube for new Snappers. 6CA7 and KT77 tubes have different tones that give your amp a different feel and character. If you will be using a solid state rectifier let us know so we can adjust the cap board values for a higher voltage rating. EHX 6CA7 (Big bottle EL34) Another great tube from Electro Harmonix, the 6CA7 is a bigger varient of the EL34 and is directly interchangeable. All what I found you can find here. We (Grant Fidelity) no longer carry them as the ‘selection’ cost is simply too high and performance varies too much. Amplifier Reviews. During my research for Philips amplifiers over the world I was asked if there was also information of tube (valve) amplifiers called the EV44xx series. These EHX 6CA7 tubes should come standard with this 100 watt Traynor head. Perfect to use with phone or I pad direct in has a lot of umph for such a small amp. Electro Harmonix 6CA7. 6CA7 Large Bulb Electro-Harmonix Tube: From Electro- Harmonix, great copy of the old Phillips/Sylvania large-bulb 6CA7 tube. EH 6CA7 Power Tubes. I used to run Phillips 6CA7 in my master volume 100 watt JMP. Hitch number 3 The whole review then went on hold, when I skidded off my cycle on some ice in early February 2009, cracking my upper left arm and tearing a shoulder tendon. The 5881 has a maximum plate rating of 360 volts at 23 watts and a maximum screen rating of 270 volts at 3 watts. Fascination tube amplifier Since the beginning of the 20th century the electron tube has fascinated and it is still fascinating. Power Tube; The Comparative Table of Power Triodes; WE300B; The Comparative Table of Power Pentodes; EL34/6CA7; KT88; The Comparative Table of 100W-class Power Triodes; The Comparative Table of 250W-class Power Triodes; The Comparative Table of Power Tubes for OTL; Voltage-amp Tube; The Comparative Table of Twin Triodes. The charts give thetypical voltage output (Eo) and. The 5U4 Tube; The 5Y3 Tube; The EZ81 Tube; The GZ34 / 5AR4 Tube; Speakers and Parts. The power section is designed to accommodate 6L6GC, 6550, 6CA7, KT88 and KT66 octal power tubes, as well as variations on those types. There is no difference between the 6L6WGB or the 5881, they are the same tube. Tube tremolo? anonymous: 5 : 1 : 07-27-03 09:41 pm: 6L6's Tube Recs for 210RD-100 Amp? Anonymous: 5 : 1 : 03-06-06 07:24 pm: Blue glow?! michael kaus: 8 : 1 : 02-26-04 06:59 am: Rattlin' tubes Rob: 3 : 1 : 04-19-05 09:18 pm: Terry Loose: Chuck Bryden : 9 : 1 : 12-09-08 07:32 pm "Secret" Groove Tubes 6CA7 for real! Bo Metz : 7 : 1 : 04-26. These tubes sound especially great, and give a big & beefy output in place of EL34's. The tube amplifier gives an incomparable clear and sparkling sound for the. The circuit above is complete circuit contains tube amplifier circuit diagram and power supply circuit diagram. This amp is a "self biasing" design so unfortunately there's nowhere to adjust anything. The amp must be used with the selected tube family unless the two parts are swapped out. 6CA7 developed by Sylvania to be compatible with the EL34. The H-20-3. The JJ 6550 is musical in every sense of the word and will improve the sound of your high powered bass and guitar amps with punch and clarity. The redesigned front end of the Series 3 amplifier replaces the obsolete 7199 pentode signal tubes from the original Stereo 70 with more commonly-used 12AU7 dual-triode tubes, while the output stage and EL34/6CA7 output tubes retain the same elements as the original Stereo 70. The Odd Blocks are rather similar only they are two separate amps and were planned up front to be able to use any of the power tubes that share the same pin arrangements (6L6GC. The KT77 was the ultimate EL34 for audiophile use. NOTE ON GROOVE TUBES: The EL34/6CA7 types of pairs and quads made by Groove Tubes may be ordered with factory matching with respect to both Gm/plate current AND "hardness" ratings. This 15-watt amplifier uses two 12AX7 preamp tubes and one EL34 power-amp tube in a single-ended configuration with no negative feedback. These "new" copy 6CA7 tubes are nothing more than the companies EL-34 in a big bottle without the active beam forming element, and generally show performance inferior to the same companies EL34. It's no secret that I adore my Traynor YBA-1. A fresh breath of air characterizes the JJ 6CA7 tube. EL34 / 6CA7 Tube, Power Amplifier Pentode, 6CA7 / EL34, MFR: ECG/Philips (USA - "Fat Boy") Limited Quantity Available, New Old Stock, Not for Export. Resistance Coupled Amplifier Charts:Note ifyou already have an RCA tube manual, and if the tubeslisted on the RCA charts in the back are same as here, the pageswill be the same as what you already have. The Sansui 1000 receiver (not to be confused with the 1000A) the 1000EA receiver and also another amp used this as an output tube. The Test Amplifier Because a review of vacuum tubes is useless without a point of reference, a bit of background on the amplifier used is in order. 6CA7 is just the American name for EL34, also more rugged, but functionally identical. The biggest advantage that this tube has is that it is still cheap to purchase. KT77 tube employed an internal construction resembling 6CA7, but GEC optimized the KT77 tube for high-fidelity audio applications. Amplifier Reviews. The amplifier section is generally the same as Mikael's, with the main change being that the cathode resistor on the output tube has been increased from 470 ohms to 560 ohms. Highly modified amp. 700 Mariposa Street, Denver Colorado 80204 USA | Tel: +1 (303) 534-5170. New and Used Vacuum Tubes Love is Resonance!. The 6CA7s have really great range combined with excellent reliability. now i must make something clear,i am not using the 6ca7's,i'm using tubes that never came out in a musicman amp,kt88s they sound better then any tube i tried,only one that came close was ruby 6l6str,my amp actully still had the original slyvania 6l6s and to me they sounded kinda. 6CA7 and KTT are a drop-in replacement for EL34. Single-ended el34 amp; Push-pull el34 amp; KT88 KT120 KTxx Tube Amp. The following diagram is the circuit diagram of 20W power amplifier which build based tube component EL34. Tube Manual 8/7 updated. The biggest advantage that this tube has is that it is still cheap to purchase. Superb sounding. They just keep working. At any rate different from an EL84. A fresh breath of air characterizes the JJ 6CA7 tube. But over years, the factory’s lack of quality screening has flooded market with mixed quality. Newegg shopping upgraded ™. Our designs emphasize simple, trouble free operation. The power section is designed to accommodate 6L6GC, 6550, 6CA7, KT88 and KT66 octal power tubes, as well as variations on those types. Check price, best reviews and buy product for sale. 3v heater filament, and can dissipate 25W. Vacuum tubes. The Test Amplifier Because a review of vacuum tubes is useless without a point of reference, a bit of background on the amplifier used is in order. Big bottle beam-tetrode version of EL34. That's the same reason Marshall used the EL34 (6550 don't count, cause the American distributor put that in). Suggestions For New Tube Products. What should I use in my amp? There is no easy answer for this, "sound is personal" as I say again. 6CA7 developed by Sylvania to be compatible with the EL34. The biggest advantage that this tube has is that it is still cheap to purchase. The American RETMA tube designation number for this tube is 6CA7. I remember reading somewhere comprehensive listening comparison between 6CA7 and EL34 but, as Tybee said, it is likely to be amplifier dependent. ” This can be heard by listening to American amps such as Fender, or players such as Eric Clapton, David Gilmour, and Jack White, who use these amps. Uses 5U4, 6CA7, 12AU7 & 12AX7 tubes. The 6CA7s have really great range combined with excellent reliability. The new Electro-Harmonix 6CA7 Power Tube is a ‘Big Bottle tetrode’ version of EL34 power tube. headphone amplifier, mtx audio and tube amp sold by chinahifiaudio are in the list of top best-sellers. I suspect they are some odd variation, or flat out knock offs. ULTRA-LINEAR DISTRIBUTED LOAD HIGH-FIDELITY VACUUM TUBE AUDIO AMPLIFIERS * * * ULTRA-LINEAR OPERATION, also known as DISTRIBUTED LOAD OPERATION, is a term when applied to single-ended or push-pull vacuum tube audio amplifiers, that describes the particular output stage configuration whereby the Screen Grids (Grid 2) of Tetrodes, Pentodes or Beam Power Tubes are fed from a. It’s like they were made for each other. I took out my EL34 tubes that came in my PrimaLuna Dialogue Premium HP Integrated and everything just opened up, it now sounds like I wish it did when it came from PrimaLuna. Quantity: 6CG7 $20. The EH 6CA7 tubes I have are at least four years old and still perform and test well. EH-6CA7 vacuum power tube. The 1st version was introduced in 1987, 10 years later a newer version was launched. Dissimilar twin triode preamplifier tube used in vintage Ampeg amplifiers. Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. The bottle is larger on these tubes and they are generally considered to be the toughest of this type of tube. The 6CA7 is a power pentode of the glass octal type. The resulting socket extensions worked well, and I was able to listen to both the 6CA7-Zs and the KT66-Zs in this amp, with appropriate re-biasing. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. Sherbourn Amplifiers. Check out the Amp Tubes website for datasheets and a wide range of other Vacuum Tubes. We hand wire our amplifiers to obtain the highest sound quality and to maintain the build quality that Quicksilver is known throughout the world for. The stock 6ca7 power tubes are ok, but a little bright for my taste (at least on klipsch). Powered by Create your own unique website with customizable templates. The biggest advantage that this tube has is that it is still cheap to purchase. EL34 EL34B Valves Matched Octet for valve HiFi amplifier 6CA7 Tube. These can be substituted with appropriate bias adjustment. EL34 / KT77 / 6CA7. ****ORDER FOUR FOR MATCHED QUAD. KT77 tube employed an internal construction resembling 6CA7, but GEC optimized the KT77 tube for high-fidelity audio applications. Great at dealing with high gain amps. Vintage blackface Fender® amps from the 1960's offer true bias adjustment. The E34L is a special low grid voltage version and is not always interchangeable. amplifier tube used in guitar amps, high-end audio and professional music equip- ment. I put tung sol 12ax7 pre amp tubes in the preamp section. 6CA7's are also called EL34 fat bottle. el34 / kt77 / 6ca7 Popular in high powered audio and high end guitar amplifiers, characterized by greater distortion at a lower power compared to other power tubes. the EL-34 is a true pentode, the 6CA7 is a beam tetrode (sylvania came up with the 6CA7 so they wouldn’t infringe philips’ patent on pentodes). KT88 KTxx Single-Ended Amp; KT88 KT120 KTxx Push-Pull Amp; 300B 2A3C tube amp; 845 805 211 Other Triode Amp; 6V6 6P6P tube amps; Special music tube amp. These tubes sound every bit as good as the old EI tubes and are probably my favorite tubes for Hiwatt guitar amplifiers. ULTRA-LINEAR DISTRIBUTED LOAD HIGH-FIDELITY VACUUM TUBE AUDIO AMPLIFIERS * * * ULTRA-LINEAR OPERATION, also known as DISTRIBUTED LOAD OPERATION, is a term when applied to single-ended or push-pull vacuum tube audio amplifiers, that describes the particular output stage configuration whereby the Screen Grids (Grid 2) of Tetrodes, Pentodes or Beam Power Tubes are fed from a. Our website features secure payment options and fast, convenient shipping around the world. This protects the amplifier T/R relay and exciter if tubes have a hard arc. Jan 31, 2019 - Find many great new & used options and get the best deals for EL34 AMPEREX HOLLAND BROWN BASE MATCHED PAIR XF5 DD VACUUM TUBES YWLSN at the best online prices at eBay! Free shipping for many products!. can be configured as a volume control integrated amplifier or as a direct input power amplifier. Makes this head sound like a Hiwat for a quarter the price. Ending Sep 6 at 6:18PM PDT 7d 7h. Classifieds: FOR SALE - Qty 3 el34/6ca7 Hitachi tested strong tv7 asking for $150. Get Started. The Sansui 1000 still shows up on ebay quite a. 6L6 6P3P tube amp; EL84 6P14 tube amp; 6P1 tube amp; FUxx 807 cap tube amp. Coming from the first Tetrodes Valvo got the patents for the pentode in 1927. They can replace usually any EL34 pentode because they have very similar electric characteristics. YAQIN MC-13S EL34 (6CA7) 4 Vacuum Tube Integrated Push-Pull Amplifier (Silver) 715. This reduces the plate disipation of the tube and the amplifier can also be used with lower rated output tubes like the 6L6 and EL34 / 6CA7. Tube tremolo? anonymous: 5 : 1 : 07-27-03 09:41 pm: 6L6's Tube Recs for 210RD-100 Amp? Anonymous: 5 : 1 : 03-06-06 07:24 pm: Blue glow?! michael kaus: 8 : 1 : 02-26-04 06:59 am: Rattlin' tubes Rob: 3 : 1 : 04-19-05 09:18 pm: Terry Loose: Chuck Bryden : 9 : 1 : 12-09-08 07:32 pm "Secret" Groove Tubes 6CA7 for real! Bo Metz : 7 : 1 : 04-26. Amplifier Repair & Modifications. Powered by Create your own unique website with customizable templates. These are Mable Audio (waiting for response), Yoycart (not much info) and ECCTECH (sold out). We also offer high quality and hard to find parts for DIY tube amplifier projects. 00 Hot Search:. I took out my EL34 tubes that came in my PrimaLuna Dialogue Premium HP Integrated and everything just opened up, it now sounds like I wish it did when it came from PrimaLuna. Re: Rocker30 tube swap (KT77-6CA7-EL34) Post by Les Paul Lover » Fri Sep 15, 2017 4:05 pm KT77 are meant to have a bigger bottom end and not quite as middy as EL34. Amplifiers that use the 6CA7 tube are said to have an “American Sound. Online Resources. Our tube amps and preamps are renown for their extremely low noise and musicality. It is divided into two classic grade and premium grade same as treasure series tubes. The data of this tube was much better than anything made before in the west and SanEi of Japan imported some 6C33C tubes for audio application in 1997, renaming them EC33C for the Japanese consumer. The Tube amp Library of information Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photo's, Sound clips. 7K Ohm are generally used for EL34 power vacuum tubes. The amplifier section is generally the same as Mikael's, with the main change being that the cathode resistor on the output tube has been increased from 470 ohms to 560 ohms. These NVM GE 6CA7 tubes have a very different bias than any other EL34, including the E34LS. During my research for Philips amplifiers over the world I was asked if there was also information of tube (valve) amplifiers called the EV44xx series. com has thousands of new and NOS vacuum tubes for the audiophile, guitar amps, industrial, ham radio and special purpose. Fake Review and Counterfeit Analysis for YAQIN MC-13S EL34 6CA7 4 Vacuum Tube Integrated Push-Pull Amplifier Silver. Classifieds: FOR SALE - Qty 3 el34/6ca7 Hitachi tested strong tv7 asking for $150. The American RETMA tube designation number for this tube is 6CA7. Marshall tube amps are the most well-known EL34 tube guitar amplifiers but there are many others who arrived on the scene in later years. The only NOS valve dealer with a real webstore. The GOLDEN DRAGON tube (valve) range is manufactured and selected for high fidelity Audio and reality. The Tube amp Library of information Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photo's, Sound clips. $ YAQIN NEW MC-13S EL34(6CA7)X4 Vacuum Tube Hi-end Tube Integrated Amplifier Push-Pull Silver, Get inexpensive of YAQIN NEW MC-13S EL34(6CA7)X4 Vacuum Tube Hi-end Tube Integrated Amplifier Push-Pull Silver with offer and better benefit. So I decided to start with substituting the ECC83/12AX7 and ECC82/12Au7 tubes in the preamplifier stage for it is known that they are likely to influence the sound more than the EL34/6CA7 tubes in the output stage. These have large plates with 3 holes and are known to sound very good and to be very rugged. JJ Electronic has been producing premium vacuum tubes in the Slovak Republic for over 16 years. Large selection of parts and electronic components for guitars, amplifiers, synthesizers and tube and solid state hi-fi, quick shipping, expert technical advice. Suceeding the the P34I product line, Pacific Creek P90I is a 50 Watts per channel stereo integrated 6CA7/EL34 push-pull amplifier, operating in "Ultra-Linear" mode, which offers triode like lower distortion and pentode like higher power efficiency. This data is. Classifieds: FOR SALE - Qty 3 el34/6ca7 Hitachi tested strong tv7 asking for $150. It has an international octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters. If you're playing at home at quiet to moderate volume levels, they could easily last 10 years. The ODIN120 are 120 watts and use the highest quality parts including mercury magnetics transformers. Top Rated Seller Top Rated Seller. At Tonal Tubes we sell power, preamp, and rectifier tubes for your guitar or Hi-Fi amplifiers! Matched and tested to work when it arrives. Great at dealing with high gain amps. This tube is 1/2 12AX7 and 1/2 12AU7. 6CA7 developed by Sylvania to be compatible with the EL34. For sale is a NEW Matched Quad (4) Electro-Harmonix EL34/6CA7 Fat Big Bottle tubes. With this amp the 300B is finally being used at over 95% of its capabilities, by having EL34’s as its driver tube. To make the stereo channel amplifier, build the similar amplifier circuit… Read More ». Its sound is decent after 10. Asortment of more than 30 types of vaccum tubes. I converted the amp over from 6550A. 700 Mariposa Street, Denver Colorado 80204 USA | Tel: +1 (303) 534-5170. It's the mA emissions that REALLY MATTER in a EL34/6CA7 11. NOTE ON GROOVE TUBES: The EL34/6CA7 types of pairs and quads made by Groove Tubes may be ordered with factory matching with respect to both Gm/plate current AND "hardness" ratings. Tube Manual 8/7 updated. The 6CA7 is often considered the American cousin to the British EL34. Valve & Amplifier Design, EL34 (6CA7) Data, Mullard Valves 1. Gift Card 2020. What should I use in my amp? There is no easy answer for this, "sound is personal" as I say again. Forget the KT88's and go with Electro Harmonix KT90 these are great tubes with plenty of bass at the bottom and have a very strong midrange punch, also they do not grate on your nerves at the top end. The 6CA7s have really great range combined with excellent reliability. Vintage Tube Amp, Magnavox, audio, HIFI single ended magnavox. This amp works and sounds great! Rated at 30 WPC. The only NOS valve dealer with a real webstore. Add to Wishlist. Fascination tube amplifier Since the beginning of the 20th century the electron tube has fascinated and it is still fascinating. By simply changing the power mode, 6V6, 6L6/EL34 and most of the KT series tubes can be used. One of the biggest issues was blocking distortion which is excessive bias excursion. Don't settle for sets matched at lower voltages - they are unlikely to be matched in your amplifier. The hum issue was addressed to the satisfaction of most listeners with 600 Ohm headphones. The KT77 is an interesting tube and is a drop-in substitute for the EL34. These tubes sound especially great, and give a big & beefy output in place of EL34's. What sort of rig are you thinking of for a first project? 73 de Jim, N2EY. A voltage converter converts a voltage down to the proper voltage needed to operate a device. Guaranteed. French Push 14 Repeating 18k Gold Pocket Watch -working. this is how a guitar would sound during the 1970's. com has thousands of new and NOS vacuum tubes for the audiophile, guitar amps, industrial, ham radio and special purpose. High reliability and exceptional music - listening experience. These NVM GE 6CA7 tubes have a very different bias than any other EL34, including the E34LS. The Sansui 1000 receiver (not to be confused with the 1000A) the 1000EA receiver and also another amp used this as an output tube. The three new tubes are all very welcome additions to the JJ line: the 6550, 6CA7 and EL844. The A-534B is driving some 85dB efficient speakers if you don’t need to go very loud. The Test Amplifier Because a review of vacuum tubes is useless without a point of reference, a bit of background on the amplifier used is in order. FOR SALE! Product DescriptionBrand : ShuGuangType : 6550Quantity : Four Tubes ( Matched Quad 283313529856. This protects the amplifier T/R relay and exciter if tubes have a hard arc. The 12AT7 ECC81 Tube; The 12AU7 ECC82 Tube; The 12AX7 ECC83 Tube; The 12AY7 6072 Tube; The 12BH7 ECC99 Tube; The 6DJ8 6922 Tube; New Rectifier Tubes. High voltage power transformer and. now i must make something clear,i am not using the 6ca7's,i'm using tubes that never came out in a musicman amp,kt88s they sound better then any tube i tried,only one that came close was ruby 6l6str,my amp actully still had the original slyvania 6l6s and to me they sounded kinda. 6CA7 is high property audio output pentode, its anode limited dissipation power is 25W, the output power is over 10W when it is used as class A1 in amplifier single tube, and it is over 35W when it is used as class AB1 double tubes. Guitar Amp Tubes - 12AX7, 6CA7/EL34, 5U4 - $25 (Carson City) < image 1 of 1 > QR Code Link to This Post. They are in short stubby glass envelopes. El34 6CA7 tube amp. 6CA7 / EL34 Tube Data Key: B&W, 600x789 resolution (or slightly less), 8k-22k file size These are a little rough, but often good enough. 6CA7 is high property audio output pentode, its anode limited dissipation power is 25W, the output power is over 10W when it is used as class A1 in amplifier single tube, and it is over 35W when it is used as class AB1 double tubes. An authentic remake of the British Mullard EL34. A dual triode, gain of 6CA7. The 6CA7 was less harsh than 6550 but more dynamic and less distorted than EL34. Its sound is decent after 10. Other common substitutes for EL34 vacuum tubes are 6CA7 and KT77 tubes. Newegg shopping upgraded ™. All sets are on plate current @ 450 volts. 400/10,300 GM (min. This is a warm, thick, dense tube with world-class tonality for lovers of guitar music from Esteban to Stevie Ray Vaughan. The EL34 is an 8-pin "octal" power pentode tube found in the power amp section of many guitar amps, mostly in sets of two or four matched valves. The EL34 is a thermionic valve or vacuum tube of the power pentode type. I've had this quad of PSVANE 6CA7-Z for several years. Power triodes may or may not have sounded better. ULTRA-LINEAR DISTRIBUTED LOAD HIGH-FIDELITY VACUUM TUBE AUDIO AMPLIFIERS * * * ULTRA-LINEAR OPERATION, also known as DISTRIBUTED LOAD OPERATION, is a term when applied to single-ended or push-pull vacuum tube audio amplifiers, that describes the particular output stage configuration whereby the Screen Grids (Grid 2) of Tetrodes, Pentodes or Beam Power Tubes are fed from a. TubeDepot carries a selection of EL34 / 6CA7 Power Vacuum Tubes. It's the mA emissions that REALLY MATTER in a EL34/6CA7 11. Tubes wear out depending on how long and how hot they are used. Ending Saturday at 9:12AM PDT 18h 32m. High reliability and exceptional music - listening experience. Our website features secure payment options and fast, convenient shipping around the world. The H-20-3. Changed out the stock power cord, any hi end can be an upgrade but settled on a cardas cross. French Push 14 Repeating 18k Gold Pocket Watch -working. The tube amplifier gives an incomparable clear and sparkling sound for the. Electro-Harmonix is rocking the vacuum tube community with the superior quality of the "EH" series tubes. Elekit TU-8200R 6L6GC / EL34 / 6CA7 / KT88 / 6550 Single Ended Tube Amplifier kit The Elekit TU-8200R is the evolution of the wildly acclaimed TU-879S. What The Tubes Do In Most Marshall Tube Amps July 8, 2016; Burning In 6SN7 Tubes for the Dark Voice 336SE Headphone Amp July 7, 2016; Chicago Blues Box Amps – Dan Butler Interview June 9, 2016; Back To The Future for Vacuum Tube Technology June 7, 2016; Guitar Flamethrower – Tone On Fire May 24, 2016; What Tubes Do In Most Early Fender. Psvane black glass treasure series. It's no secret that I adore my Traynor YBA-1. 6CA7's can be interchanged with the EL34. Power output jumped to roughly 6. A direct replacement, with military reliability, for any EL34. i do wonder however, why you need 200 watts for 99 db/w/m horn speakers. Highly modified amp. 6CA7 is very similar with EL34, which can be replaced by each other. 6CA7 is a plug in replacement for EL34 and vice versa. Item: Matched Pair XF3 Mullard/Philips EL34/6CA7 Tubes Location: Port Macquarie NSW Price: $175 posted to most states Item Condition: Good Reason for selling: NLR. New and Used Vacuum Tubes Love is Resonance!. It has an octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of amplification circuits. Electro Harmonix 6CA7. This data is. This amp works and sounds great! Rated at 30 WPC. They all get rave reviews as well. JJ Electronic has been producing premium vacuum tubes in the Slovak Republic for over 16 years. Sylvania "Fat Boy" USA These are known as "Fat Boy" tubes because 6CA7/EL34 tubes made in the USA have much fatter glass bulbs than their European EL34 equivalent. PsVane is supposedly the new Black Treasure. Elekit TU-8200R 6L6GC / EL34 / 6CA7 / KT88 / 6550 Single Ended Tube Amplifier kit The Elekit TU-8200R is the evolution of the wildly acclaimed TU-879S. I bought a replacement octet from Manley and 4 of 8 blew up, damaging the amps, etc. Output/Power - Tubes | NewOldSounds JavaScript seems to be disabled in your browser. Unbeatable prices on thousands of guaranteed vacuum tubes for sale, vintage NOS hi-fi audio tubes, radio tubes, ham and industrial ready to ship. Matched Quad 6550 ShuGuang KT88 6CA7 EL34 HiFi Vacuum Tube Amplifier New. The charts give thetypical voltage output (Eo) and. The Test Amplifier Because a review of vacuum tubes is useless without a point of reference, a bit of background on the amplifier used is in order. Psvane black glass treasure series. It's the mA emissions that REALLY MATTER in a EL34/6CA7 11. FOR SALE! CLASS-A - 100% New Face Yaqin MC-13S Integrated Amplifier Why spend thousands 292180449924. Our tube amps and preamps are renown for their extremely low noise and musicality. The EH 6CA7 tubes I have are at least four years old and still perform and test well. If your particular unit uses 6CA7 output tubes, use the 12AX7 (these will work with the EL34 as well). 2018新発真空管 ギター・ベース アンプ 海外 輸入 T-6CA7-JJ-MQ 【送料無料】JJ Electronics Amplifier Tube (T-6CA7-JJ-MQ)真空管 ギター・ベース アンプ 海外 輸入 T-6CA7-JJ-MQ 最安値挑戦!. Without a thorough knowledge of tube types and their substitution possibilities, you may be over-paying for your new or NOS tubes you employ, or just pick the wrong ones. An upgrade can make a massive difference to your tone and these can make both your crunch and cleans much better. There is an original shuguang and a new version shuguang 6ca7-z tube. JJ Electronic - Vacuum tubes, Capacitors, Amplifiers. amplifier tube used in guitar amps, high-end audio and professional music equip- ment. Powered by Create your own unique website with customizable templates. One of the biggest issues was blocking distortion which is excessive bias excursion. The NOS Winged C (SED) EL34/6CA7 tubes are an exceptional upgrade for our Triple Crown TC-100 or TC-50, or any of our amps with EL34 Bias Switches. Vacuum Tube Supplies, LLC. So I decided to start with substituting the ECC83/12AX7 and ECC82/12Au7 tubes in the preamplifier stage for it is known that they are likely to influence the sound more than the EL34/6CA7 tubes in the output stage. That sounds a bit different and so do the valves - but they are interchangeable. 6CA7 and KT77 tubes have different tones that give your amp a different feel and character. It has a 6. Suceeding the the P34I product line, Pacific Creek P90I is a 50 Watts per channel stereo integrated 6CA7/EL34 push-pull amplifier, operating in "Ultra-Linear" mode, which offers triode like lower distortion and pentode like higher power efficiency. These NVM GE 6CA7 tubes have a very different bias than any other EL34, including the E34LS. tube purchased paired quad (4 tubes) fitted to my Hiwatt Custom 100 clone played with a bass. We have tube amps that have been performing flawlessly for 20 years. ****ORDER FOUR FOR MATCHED QUAD. These tubes are robust, have long life and are great in both Hi Fi and Guitar amplifiers. The re-issue of these tubes makes it possible to try them out and find the sound that is right for you. Guitar Amplifier Power Amps was in print from 2008 until 2020. The EL34 Gallery 6CA7 E34L CV1741 KT77 The story of the developement of the EL34 tube is not short. We really have no way of knowing because there are no power triodes to use in an amplifier. Kidult Online Store YAQIN MC-13S EL34 6CA7 x4 10L Vacuum Tube Integrated Amplifier P [YAQIN-MC13S] - Yaqin MC-13S tube amp is another popular amp in Yaqin product list and it is very similar to MC-10T except it is using 4x Shuguang 6CA7 tubes instead of 12AT7 tubes. AK 06V1 offered from PCB Electronics Supply Chain shipps same day. The Hashimoto H-20-3. Dissimilar twin triode preamplifier tube used in vintage Ampeg amplifiers. New & NOS power tubes from Mullard, Tung-Sol, Electro-Harmonix, Genalex, Telefunken & more!. Large selection of parts and electronic components for guitars, amplifiers, synthesizers and tube and solid state hi-fi, quick shipping, expert technical advice. Made in Russia. A true to form reproduction of a classic tube that will work in most EL34 amps. 6CA7 is high property audio output pentode, its anode limited dissipation power is 25W, the output power is over 10W when it is used as class A1 in amplifier single tube, and it is over 35W when it is used as class AB1 double tubes. The H-20-3. Suceeding the the P34I product line, Pacific Creek P90I is a 50 Watts per channel stereo integrated 6CA7/EL34 push-pull amplifier, operating in "Ultra-Linear" mode, which offers triode like lower distortion and pentode like higher power efficiency. With this amp the 300B is finally being used at over 95% of its capabilities, by having EL34’s as its driver tube. A fresh breath of air characterizes the JJ 6CA7 tube. An authentic remake of the British Mullard EL34. Resistors with names such as “Rgain1” and “Rgain2” represent potentiometers, with the node between the resistors being the wiper. The A-534B is driving some 85dB efficient speakers if you don’t need to go very loud. Select yaqin mc-13s 6ca7-t class a vacuum tube push-pull hifi integrated amplifier on DHgate. Makes this head sound like a Hiwat for a quarter the price. This amp will do ANY STYLES superbly, from Chuck Berry to Gilmour to Hendrix to Clapton to AC/DC to EVH and beyond. : ACME 805 (replace other 805 tubes directly) Aluminum teflon tube base Maximum Rating Ua-----1500 V Pa-----125 W Recommended Operating Conditions (reference value) class B(A-F) for two tubes typical working condition limited parameter Ua-----. This is a warm, thick, dense tube with world-class tonality for lovers of guitar music from Esteban to Stevie Ray Vaughan. The stock 6ca7 power tubes are ok, but a little bright for my taste (at least on klipsch). This 15-watt amplifier uses two 12AX7 preamp tubes and one EL34 power-amp tube in a single-ended configuration with no negative feedback. The previous project, the OddWatt 225 (6SL7 SRPP / KT77 Class-A Push-Pull Tube Amplifier) is in daily operation and (with JJ KT77 tubes) has a wonderful tube sound. I started learning about the art of vacuum tube amplifier design and build in 2014. No products in the cart. This is modified from VT-EL34 tubes amp kit, manufactured by 樂騰 Electronics Corp. One of the biggest issues was blocking distortion which is excessive bias excursion. The American RETMA tube designation number for this tube is 6CA7. Big bottle beam-tetrode version of EL34. It is as someone said, the difference depends on the brand of tube and to a degree as well, the amps. These "new" copy 6CA7 tubes are nothing more than the companies EL-34 in a big bottle without the active beam forming element, and generally show performance inferior to the same companies EL34. An upgrade can make a massive difference to your tone and these can make both your crunch and cleans much better. Type: Stereo vacuum tube amplifier Tube Complement: Two NOS GE 6BQ7A input, two 6SN7GTB driver, and four Russian KT77 Gold Lion Output Power: 30 Watts per channel Frequency Response: 20Hz to 20kHz Signal-To-Noise: Greater than 85dB unweighted referenced to full rated output @ 1kHz Output Taps: 4, 8, and 16 Ohm utilizing gold plated binding posts. Top Rated Seller Top Rated Seller. These are Mable Audio (waiting for response), Yoycart (not much info) and ECCTECH (sold out). New-Old-Stock (NOS) tube. Vacuum Tube Amplifiers. tube amplifiers We have been making all tube amplifiers for over 35 years. 6CA7 Large Bulb Electro-Harmonix Tube: From Electro- Harmonix, great copy of the old Phillips/Sylvania large-bulb 6CA7 tube. Title: 6146B 8298A Author: RCA Subject: FP-2000-09-30 Created Date: 10/1/2000 1:01:30 AM. The KT77 is an interesting tube and is a drop-in substitute for the EL34. My reference power amplifier is the Bella EXtreme 3205, a push-pull pentode that can accept either a quad of EL34/6CA7/KT77 tubes biased at 40mV or a quad of 6550/KT88/KT90s biased at 50mV. Using these tubes is a fantastic way to explore new tonal possibilities. Brand new PSVANE Premium ACME series Vacuum Tubes Model No. The EL34 is a thermionic valve or vacuum tube of the power pentode type. The TU-8200 has many enhancements that allow the builder to enjoy exquisite tube audio in just a few nights. We have tube amps that have been performing flawlessly for 20 years. The Sansui 1000 still shows up on ebay quite a. ****ORDER FOUR FOR MATCHED QUAD. Free Shipping on orders $105 and over. Psvane 6CA7 for sale. TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles. Guitar Amplifier Power Amps was in print from 2008 until 2020. All MESA® tubes offer unsurpassed consistency and reliability for ANY tube amplifier, and certainly MESA amplifiers! Power Tubes - EL34/6CA7 STR 442- NOS Winged. The following diagram is the circuit diagram of 20W power amplifier which build based tube component EL34. Amplifiers that use the 6CA7 tube are said to have an “American Sound. I've bought lots of JJ tubes for various amps, and several sets for this specific amp, and this is the first time they've sounded poorly, by a lot. A dual triode, gain of 6CA7. Big bottle beam-tetrode version of EL34. The Hashimoto H-20-3. 6CA7 is high property audio output pentode, its anode limited dissipation power is 25W, the output power is over 10W when it is used as class A1 in amplifier single tube, and it is over 35W when it is used as class AB1 double tubes. 6CA7 and KT77 tubes have different tones that give your amp a different feel and character. Vacuum tubes. The ODIN120 are 120 watts and use the highest quality parts including mercury magnetics transformers. There is no difference between the 6L6WGB or the 5881, they are the same tube. "The FAS models typically remove or minimize the undesirable characteristics of those old amps. Then they introduced the - 4688 and 4689 in 1940 the. The USSR analog was 6P27S. If you do not see the tube that you need listed, please call. mains operated equipment. The 6CA7 is often considered the American cousin to the British EL34. The 12AT7 ECC81 Tube; The 12AU7 ECC82 Tube; The 12AX7 ECC83 Tube; The 12AY7 6072 Tube; The 12BH7 ECC99 Tube; The 6DJ8 6922 Tube; New Rectifier Tubes. Pacific Creek P90I Soundscape Price: $1,599. I've had this quad of PSVANE 6CA7-Z for several years. Vintage Tube Amp, Magnavox, audio, HIFI single ended magnavox. They are in short stubby glass envelopes. At Tonal Tubes we sell power, preamp, and rectifier tubes for your guitar or Hi-Fi amplifiers! Matched and tested to work when it arrives. Its sound is decent after 10. the EL-34 is a true pentode, the 6CA7 is a beam tetrode (sylvania came up with the 6CA7 so they wouldn’t infringe philips’ patent on pentodes). Three Tungsol/JJ 12AX7 preamp tubes with your choice of a quad of JJ EL34, 6CA7, KT77 or KT88 power tubes. We also offer high quality and hard to find parts for DIY tube amplifier projects. An authentic remake of the British Mullard EL34. 6CA7 $25. Check price, best reviews and buy product for sale. POWER TUBE / VALVE - EL34 / 6CA7. The one thing I have noticed is that on the tube advertised by MableAudio it is imprinted with "Shuguang Electric. The TU-8800 is a single-ended power amp kit that supports many popular octal-base pentode and beam power tubes. I have used Mouser and they give good service and prices; $20 min order. Made in Russia. I don't think that the stock Mesa tubes sound bad at all in that amp, it just depends on what I like at the time. The date on the card is October 2014. The A-534B is driving some 85dB efficient speakers if you don’t need to go very loud. Note that the 6CA7 / EL34 vacuum tube is, in actuality, a pentode tube, although it is shown in the schematic as a tetrode. They've been boxed in a closet for the majority of this time. Unfortunately, since the original KT77 was manufactured only by GEC, KT77 was rather rare, especially in the US. 4 x 6CA7/EL34, 2 x 12AU7, 1 x 12AX7. You'll have to design a 6CA7 or 6BQ5 RF amp from the ground up. During my research for Philips amplifiers over the world I was asked if there was also information of tube (valve) amplifiers called the EV44xx series. The EL34 is an 8-pin "octal" power pentode tube found in the power amp section of many guitar amps, mostly in sets of two or four matched valves. But over years, the factory’s lack of quality screening has flooded market with mixed quality. Don't settle for sets matched at lower voltages - they are unlikely to be matched in your amplifier. All MESA® tubes offer unsurpassed consistency and reliability for ANY tube amplifier, and certainly MESA amplifiers! Power Tubes - EL34/6CA7 STR 442- NOS Winged. I make no guarantees. This amp is a "self biasing" design so unfortunately there's nowhere to adjust anything. Electro-Harmonix is rocking the vacuum tube community with the superior quality of the "EH" series tubes. Tube tremolo? anonymous: 5 : 1 : 07-27-03 09:41 pm: 6L6's Tube Recs for 210RD-100 Amp? Anonymous: 5 : 1 : 03-06-06 07:24 pm: Blue glow?! michael kaus: 8 : 1 : 02-26-04 06:59 am: Rattlin' tubes Rob: 3 : 1 : 04-19-05 09:18 pm: Terry Loose: Chuck Bryden : 9 : 1 : 12-09-08 07:32 pm "Secret" Groove Tubes 6CA7 for real! Bo Metz : 7 : 1 : 04-26. High voltage power transformer and. Chinese Psvane 6CA7-T Classic Grade. It has an octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of amplification circuits. It can be used in most EL34 amplifiers. They can replace usually any EL34 pentode because they have very similar electric characteristics. This reduces the plate disipation of the tube and the amplifier can also be used with lower rated output tubes like the 6L6 and EL34 / 6CA7. KT77 GEC originally developed this tube to rival the EL34 and some say its the best version of all the EL34 models; CV1741 is a NOS version of the EL34 range. Three Tungsol/JJ 12AX7 preamp tubes with your choice of a quad of JJ EL34, 6CA7, KT77 or KT88 power tubes. AK 06V1, Diodes - Rectifiers - Single, DIODE SCHOTTKY 60V 700MA AXIAL. 00 shipping. EL34 or 6CA7 for Conrad-Johnson MV55 amp? Posted by infotrad (A ) on June 20, 2009 at 20:10:52 I wonder if the EL34 and 6CA7-type tubes each have different sound signatures with respect to one another. EL34 is very famous tube and great for power tube amplifier. Unfortunately, since the original KT77 was manufactured only by GEC, KT77 was rather rare, especially in the US. If your particular unit uses 6CA7 output tubes, use the 12AX7 (these will work with the EL34 as well). Please visit my Tube Amplifier Forum Here's the place you can go to ask tube amplifier questions. 0 watts, depending on the output tube used, but the amp sounded more powerful than that. In the tube audio world, it was companies like Dynaco, Leak, and Mullard among others who help boost the EL34 tube’s popularity. Pilot SA-260 Stereo Amplifier 6CA7 Tube Vintage Power Amplifier. the EL-34 is a true pentode, the 6CA7 is a beam tetrode (sylvania came up with the 6CA7 so they wouldn’t infringe philips’ patent on pentodes). The KT77 is an interesting tube and is a drop-in substitute for the EL34. A fresh breath of air characterizes the JJ 6CA7 tube. High voltage power transformer and. For sale is a NEW Matched Quad (4) Electro-Harmonix EL34/6CA7 Fat Big Bottle tubes. I make no guarantees. EL34 or 6CA7 for Conrad-Johnson MV55 amp? Posted by infotrad (A ) on June 20, 2009 at 20:10:52 I wonder if the EL34 and 6CA7-type tubes each have different sound signatures with respect to one another. Elekit TU-8200R 6L6GC / EL34 / 6CA7 / KT88 / 6550 Single Ended Tube Amplifier kit The Elekit TU-8200R is the evolution of the wildly acclaimed TU-879S. AK 06V1, Diodes - Rectifiers - Single, DIODE SCHOTTKY 60V 700MA AXIAL. The resulting socket extensions worked well, and I was able to listen to both the 6CA7-Zs and the KT66-Zs in this amp, with appropriate re-biasing. 4 x 6CA7/EL34, 2 x 12AU7, 1 x 12AX7. Fake Review and Counterfeit Analysis for YAQIN MC-13S EL34 6CA7 4 Vacuum Tube Integrated Push-Pull Amplifier Silver. 7K Ohm are generally used for EL34 power vacuum tubes. There have been no reported problems when the mods below are included: 1. It's the mA emissions that REALLY MATTER in a EL34/6CA7 11. It is equally suitable for domestic amplifiers and public address equipment. ****ORDER FOUR FOR MATCHED QUAD. It has an international octal base and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters. 6CA7 is just the American name for EL34, also more rugged, but functionally identical. you can by the 6CA7 tubes as matched pairs. 6CA7 / EL34 Tube Data Key: B&W, 600x789 resolution (or slightly less), 8k-22k file size These are a little rough, but often good enough. a Stunning - $5,102. The Evermore will work with ANY EL34 or 6CA7 type tube from any manufacturer. According to the Grant Fidelity website – “The stunning A-534B Integrated Tube amp is a new design with the 300B tubes. They are amazing devices, capable of providing very low distortion, high gain, and low output impedance all at the. New-Old-Stock (NOS) tube. The EL34 is a vacuum tube of the pentode type. All MESA® tubes offer unsurpassed consistency and reliability for ANY tube amplifier, and certainly MESA amplifiers! Power Tubes - EL34/6CA7 STR 442- NOS Winged. 20 watts should. Tube Data Sheet Locator. These tubes are like EL34’s on steroids. amplifier tube used in guitar amps, high-end audio and professional music equip- ment. This amp is a "self biasing" design so unfortunately there's nowhere to adjust anything. Prior to 2010, the Snapper utilized a different tube complement of 1x 12AT7 (input tube), 1x 5687/7044 (driver tube), and 4x 6CA7 EH (power tubes) per amplifier (x2 per pair). Amplifier Repair & Modifications. JJ Electronic has been producing premium vacuum tubes in the Slovak Republic for over 16 years. The resulting socket extensions worked well, and I was able to listen to both the 6CA7-Zs and the KT66-Zs in this amp, with appropriate re-biasing. These "new" copy 6CA7 tubes are nothing more than the companies EL-34 in a big bottle without the active beam forming element, and generally show performance inferior to the same companies EL34. (Note: some 6CA7s are actually beam-power tetrodes, not. In nearly all cases the Tesla, Svetlana and Philips 6L6 (or 7581) will work in amps that use 7027, without any socket rewiring at all, and it'll save you some money to boot. The amp will be demoed and sold with original Magnavox tubes. TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles. The previous project, the OddWatt 225 (6SL7 SRPP / KT77 Class-A Push-Pull Tube Amplifier) is in daily operation and (with JJ KT77 tubes) has a wonderful tube sound. The 5U4 Tube; The 5Y3 Tube; The EZ81 Tube; The GZ34 / 5AR4 Tube; Speakers and Parts. The 6CA7-T-MII/2 Psvane Reference T MarkII-series (aka big bottle EL34) get shipped as factory matched PAIR : All Psvane tubes get… To be able to use Tube Amp Doctor Onlineshop in full range, we recommend activating Javascript in your browser. The KT77 is another variant of the EL34 and can be used in equipment calling for the EL34. The KT77 is an interesting tube and is a drop-in substitute for the EL34. I don't think that the stock Mesa tubes sound bad at all in that amp, it just depends on what I like at the time. A voltage converter converts a voltage down to the proper voltage needed to operate a device. Power Tube Selection Charts for HighPower AudioAmplifiers Eimac,RCApage 1, RCA page 2. Guitar Amplifier Power Amps was in print from 2008 until 2020. This amp will do ANY STYLES superbly, from Chuck Berry to Gilmour to Hendrix to Clapton to AC/DC to EVH and beyond. this is how a guitar would sound during the 1970's. 06) Posted by ojd on 2007-01-26, 14:01:32 (134. Russian-made tube is wanting to be a true copy of the Sylvania 6CA7. MusicMan likely used the 6CA7 because it was the domestically produced tube, and therefore cheaper. If you're gigging at high volumes every other week, you might need to have them changed and the amp re-biased every year. 2018新発真空管 ギター・ベース アンプ 海外 輸入 T-6CA7-JJ-MQ 【送料無料】JJ Electronics Amplifier Tube (T-6CA7-JJ-MQ)真空管 ギター・ベース アンプ 海外 輸入 T-6CA7-JJ-MQ 最安値挑戦!. Three Tungsol/JJ 12AX7 preamp tubes with your choice of a quad of JJ EL34, 6CA7, KT77 or KT88 power tubes. Power triodes may or may not have sounded better. Fascination tube amplifier Since the beginning of the 20th century the electron tube has fascinated and it is still fascinating. None of that wasp in the jar, fizzy and thin preamp distortion. The H-20-3. Worldwide Shipping!Original vintage NOS matched Quad of “National” branded Siemens/ VALVO manufactured in E Germany tubes, perfect for your vintage Vox, Hiwatt ,matamp, orange, Marshall amplifier. We (Grant Fidelity) no longer carry them as the ‘selection’ cost is simply too high and performance varies too much. Forget the KT88's and go with Electro Harmonix KT90 these are great tubes with plenty of bass at the bottom and have a very strong midrange punch, also they do not grate on your nerves at the top end. If there was a downside to the JJ tubes (and this actually is a big minus) the JJ tubes were not very reliable, having had two go bad in less than nine months. We also stock 6CA7 and KT77 tubes. KT77 GEC originally developed this tube to rival the EL34 and some say its the best version of all the EL34 models; CV1741 is a NOS version of the EL34 range. Cord - 4x 6CA7 head (p) Multiple threads primarily concerned with solid-state amplifers but also covers valve/tube and hybrid amps, mainly of American or British. I put in el-34’s and boy is it sweet (jj’s first but now some groove tubes). The JJ Electronic 6CA7 is a true to form reproduction of a classic tube that will work in most EL34 amps. What The Tubes Do In Most Marshall Tube Amps July 8, 2016; Burning In 6SN7 Tubes for the Dark Voice 336SE Headphone Amp July 7, 2016; Chicago Blues Box Amps – Dan Butler Interview June 9, 2016; Back To The Future for Vacuum Tube Technology June 7, 2016; Guitar Flamethrower – Tone On Fire May 24, 2016; What Tubes Do In Most Early Fender. It has an international octal base and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters. 6CA7 Large Bulb Electro-Harmonix Tube: From Electro- Harmonix, great copy of the old Phillips/Sylvania large-bulb 6CA7 tube. Electro-Harmonix is rocking the vacuum tube community with the superior quality of the "EH" series tubes. All what I found you can find here. At any rate different from an EL84. Its sound is decent after 10. JJ Electronic has been producing premium vacuum tubes in the Slovak Republic for over 16 years. 2-EL84, 1-6CA7 and 1 6EU7. 4 x 6CA7/EL34, 2 x 12AU7, 1 x 12AX7. There is an original shuguang and a new version shuguang 6ca7-z tube. 6CA7 tubes by other vendors. It has a 6. The Tube amp Library of information Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photo's, Sound clips. 43 shipping. Item: Matched Pair XF3 Mullard/Philips EL34/6CA7 Tubes Location: Port Macquarie NSW Price: $175 posted to most states Item Condition: Good Reason for selling: NLR. Quantity: 6CG7 $20. Vacuum Tube Circuit Design Guitar Amplifier Power Amps. The amp will be demoed and sold with original Magnavox tubes. The GOLDEN DRAGON tube (valve) range is manufactured and selected for high fidelity Audio and reality. These can be substituted with appropriate bias adjustment. This is the first vacuum tube amplifier I built. com has thousands of new and NOS vacuum tubes for the audiophile, guitar amps, industrial, ham radio and special purpose. 6CA7 and KTT are a drop-in replacement for EL34. The 6CA7 is often considered the American cousin to the British EL34. The American RETMA tube designation number for this tube is 6CA7. KT88 KTxx Single-Ended Amp; KT88 KT120 KTxx Push-Pull Amp; 300B 2A3C tube amp; 845 805 211 Other Triode Amp; 6V6 6P6P tube amps; Special music tube amp. The book has been updated, expanded, reorganized, and replaced by Guitar Amplifier Electronics: Basic Theory and Fundamentals of Guitar Amplifier System Design. EHX 6CA7 (Big bottle EL34) Another great tube from Electro Harmonix, the 6CA7 is a bigger varient of the EL34 and is directly interchangeable. Title: 6146B 8298A Author: RCA Subject: FP-2000-09-30 Created Date: 10/1/2000 1:01:30 AM. The EL34 Gallery 6CA7 E34L CV1741 KT77 The story of the developement of the EL34 tube is not short. The KT77 is another variant of the EL34 and can be used in equipment calling for the EL34. MusicMan likely used the 6CA7 because it was the domestically produced tube, and therefore cheaper. "The FAS models typically remove or minimize the undesirable characteristics of those old amps. It has a 6. The redesigned front end of the Series 3 amplifier replaces the obsolete 7199 pentode signal tubes from the original Stereo 70 with more commonly-used 12AU7 dual-triode tubes, while the output stage and EL34/6CA7 output tubes retain the same elements as the original Stereo 70. Sansui used the PL36 (that's also a 25E5) as an output tube in several of their amps. Chinese Psvane 6CA7-T Classic Grade. With this amp the 300B is finally being used at over 95% of its capabilities, by having EL34’s as its driver tube. Changed out the stock power cord, any hi end can be an upgrade but settled on a cardas cross. Single-ended el34 amp; Push-pull el34 amp; KT88 KT120 KTxx Tube Amp. They are in short stubby glass envelopes. We also stock 6CA7 and KT77 tubes. None of that wasp in the jar, fizzy and thin preamp distortion. Check price, best reviews and buy product for sale. The only NOS valve dealer with a real webstore. YAQIN MC-13S GD 6CA7 BL Vacuum Tube Push-Pull Integrated Amplifier NEW MC-10T - $928. The TU-8200 has many enhancements that allow the builder to enjoy exquisite tube audio in just a few nights. Electro Harmonix 6CA7. New tubes added:. If there was a downside to the JJ tubes (and this actually is a big minus) the JJ tubes were not very reliable, having had two go bad in less than nine months. mains operated equipment. Home / Products tagged “6ca7”. (O'Neill) George Kaschner notes that parts other than tubes and transformers can be obtained easily from Mouser Electronics (800-346-6873). AK 06V1 offered from PCB Electronics Supply Chain shipps same day. The biggest advantage that this tube has is that it is still cheap to purchase. I experimented quite a bit with the 12HG7 and 12GN7A tubes, both of which are high Gm pentodes designed as video output amplifiers for color TV's. Designed for endurance and longevity for application in the audio industry. It has a 6. Electro Harmonix 6CA7. Fender and Marshall amps are our focus. you can by the 6CA7 tubes as matched pairs. What The Tubes Do In Most Marshall Tube Amps July 8, 2016; Burning In 6SN7 Tubes for the Dark Voice 336SE Headphone Amp July 7, 2016; Chicago Blues Box Amps – Dan Butler Interview June 9, 2016; Back To The Future for Vacuum Tube Technology June 7, 2016; Guitar Flamethrower – Tone On Fire May 24, 2016; What Tubes Do In Most Early Fender. The Ultravalve is still based on a pair of 6CA7 output tubes (EL34 or KT77 tubes can be used as well), but it does not have a switch for triode mode, fancy power output meters or anything that distracts from the amplifier’s performance. I started learning about the art of vacuum tube amplifier design and build in 2014. Home / Products tagged “6ca7”. JJ Electronics Amplifier Tube (T-6CA7-JJ-MQ) by JJ Electronic. JJ Electronic has been producing premium vacuum tubes in the Slovak Republic for over 16 years. 6CA7 Big Bottle Tetrode. 4 x 6CA7/EL34, 2 x 12AU7, 1 x 12AX7. Russian-made tube is wanting to be a true copy of the Sylvania 6CA7. The amp now came with two inputs and a front-panel toggle switch for both inputs and headphones/speakers. Its sound is decent after 10. I have used Mouser and they give good service and prices; $20 min order.
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