Web el34 single ended amplifier on 2022 specially use for el34 and kt88 if possible to use 6l6gc. If you just want to replace the tube board you need all the traces and use the stock pcb with the factory components. Enter My Tube Amp Parts Store Here Mobile users Enter My Tube Amp Parts Store Here The Tube amp Library of information Click the link above for Tube amp info, Schematics, Board building. It has three 9 pin and one octal socket. It could do the loudclean Twin Reverb tone as well as a convincing Marshall thing because it had a triple gain stage in the preamp and a pull boost. Hit the Browse button. Several of my recent amp builds have used EL34&39;s in push-pull fixed-bias, with 300-320 volts B. 80 . P is the power rating of the power tube, I is the bias current, and V is the plate voltage of the power tube. 1st full tube amp Oldchen EL34. Narrow By. Pin on clock and watchAmplifier 6sn7 el34 12ax7 El34 push-pullAmplifier el34 35w circuits elec 5w 470k. Rather than the mid-focused tone of EL34, KT77 will provide a punch to go with the mids. Scans of the UHF Magazine review of Audio Space AS-3i (EL-34) tube integrated amplifier Page 1 Page 2 Page 3. Whereas, EL34 is for British Style Music. 6L6) Stereo Tube Amp. If you have built any of these circuits, we would love to hear from you so send us your comments. 5 Best High-End Tube Amps in 2021. The parts list below includes the pre drilled Hoffman Princeton Reverb circuit board and turret lugs. Alternatives to EF86. The tube delivers all the mid punch you would expect in an EL34 but also has a top end that is more open and bright. For sale , Marshall EL34 5050w. It was a winner at a recent jam session. Designed to power rack effect units, the EL34 5050, 50 Watt 50 Watt, delivers classic Marshall EL34 valve tone with &x27;traditional&x27; or &x27;modern&x27; voice switching, which can be operated remotely. Here&x27;s the place you can go to ask tube amplifier questions. Cayin HD BT. Sorry to wake a sleeping thread, but I just bought the Doukmall 8x2wpc SE EL34 (wmeters) amp. The EL84, or commonly known as 6BQ5 in North America, was intended for use as an inexpensive alternative to the larger audio tubes of the time, such as EL34, 6L6, and KT66 power tubes. 5150 Iconic Series 4X12 Cabinet. 1 Like davidwpack likes this. This makes them ideal for use in high-gain setups. Triode and ultra-linear selection are available. This is the improved Push-Pull Mullard EL34 tube amplifier circuit. Hoffman Amplifiers Tube Amp Forum, 5e3s run "hot". Schematic of the pre amp with 3x ECC83, SLXa-61-02 Issue 5, (Marshall, 1994). Started by EL34. Stereo imaging was&39;nt particularly good and it was a bit "covered" indicating too much 2nd harmonic distortion. Picked this up inexpensively to try on my Klipsch Quartets or Chorus 1s. In fact, many tubes have a blue glow, especially modern tubes. 2018-09-05 1200 pm. 2007-01-04 300 am. The EL34 5050 Dual Monobloc is a professional EL34 valve driven, three-unit, rack-mount stereo power amp. EL34 World Tube amp Library page Hoffman HAmplifiers parts catalog Hoffman Layout diagram hookup information hoffmanamps. External independent BIAS-ADJ current display header. On a sonic scale, the 6CA7 tube is a hybrid between EL34 and 6L6 tube. Hi guys, I want to share my experience for the ANK EL34 Artiste Triple C-Core Monoblock, see the link ANK Audiokits - EL34 Triple C-Core Pentode Monoblocks Tube Amplifier The kit has arrived me (after month of waiting) in three heavy well-packed boxes; from that point my journey has begun. 80 Buy Now. After a long time out I am back to planning the resto-mod of my 1961 RCA console. James EL34 and 6L6 plugins are available for 29 apiece. The Sophia Electric EL34-ST vacuum tubes are expensive at 100 USD each, but they definitely deliver from a musical & sonic perspective, and are in a different league from SED "Winged C" EL34 tubes. For those unfamiliar, it is basically a Dumble ODS clone with tweed style tone controls and a few other tweaks. The EL34 was introduced in 1955 by Mullard, who were owned by Philips. 11 Global Shopping Festival, Anniversary Sale or Summer Sale to get the most bang. Hoffman amps of EL34 World is the only place I know of that has a Pro Jr turret board and chassis-mounted tube build guide. Buy It Now 500. Before to insert the EL34 tubes in the sockets switch on the amplifier with only the two little tubes (12AX7ECC83 and 5814ECC82) and set the trimmers to get about -50V from the grids of the EL34 and the ground. 6ohm and the resistance is 7. Copy Comment URL. Guitar Amp Schematics - www. My friend knows a guy who has a &92;&92;organ D A G fifteen combo. The term Dual Monobloc means that each of. Dominic Marsh takes a listen. World&39;s Forgotten Boy - Billy Idol. This is the improved Push-Pull Mullard EL34 tube amplifier circuit. 10 Off Retail Prices Site-Wide Use coupon code HOLIDAY10. Easy to try, and only cost is a 100 Ohm resistor. As well as all the above, the EL34 and 6L6&x27;s predecessor has also been treated to its first upgrade. I do test builds first and change the designs based on those builds. EL34s are power output tubes, not used in phono circuits. Heres everything you need to know about the tradition. EL34s are power output tubes, not used in phono circuits. Started by EL34. V1-A C9. The Auris Nirvana EL34 Serbian amp has landed in the house. Here are a few pics of the parts upgrades. 65 VAC. 3M C13. Hoffman amps of EL34 World is the only place I know of that has a Pro Jr turret board and chassis-mounted tube build guide. There are some better technical papers out there on pickup construction and performance. 4 x EL34 (6CA7) Dimensions (W x H x D) 328 x 188 x 298 mm; Net weight 16. Their reputation is based on their consistency in recent years, which is perfectly illustrated by these GT-EL34S power tubes. V1-A C9. 10-01-2005, 1251 PM. In the test amp the mids just rip through the mix. Weight 65lbs. I have a chap in australia who sells fender replacement gear but I wanted to use the 6550 in pp for ruggedness and maybe a pentode front end with an ixys current reg. com Hoffman Plexi 6V6 T S G T S G FUSE IEC receptacle Green Black To heaters To heaters 18 watt Power Transformer 2 Amp slo-blo On f Switch D C B A 2 0 u f 5 0 0 v 2 0 u f 5 0 0 v 2 0 u f 5 0 0 v 4 0 u. Every brand out there would love to run EL34&x27;s, but can&x27;t because their designs run tubes too hard. IIRC for a brief period on the &x27;50s, Fender put the 5F2A circuit in a cab with a 10" speaker and called it a "Harvard". Match case Limit results 1 per page. You can eat breakfast in every country in the world and not find anything that matches u. I can heartily agree with audio845. 3 Volts If 1. It is dynamic, and with the EL34 power tubes it takes on the tonal character of a hyper-trophied Marshall Plexi. com Hoffman Plexi 6V6 T S G T S G FUSE IEC receptacle Green Black To heaters To heaters 18 watt Power Transformer 2 Amp slo-blo On f Switch D C B A 2 0 u f 5 0 0 v 2 0 u f 5 0 0 v 2 0 u f 5 0 0 v 4 0 u. Oldchen EL34 Tube Single-Ended Amp HIFI EXQUIS Class A Point to Point Bluetooth 5 OC34 LaoChen Black Lamp Amplifier. infrared function remote control 7. Preamplifier stage consists of pair 12AX7 double triodes used for voltage amplification while the driver stage is realized with pair of 12AU7 double. 01 2 2 1969. Limited production model for 2016 Winter. We would like to show you a description here but the site wont allow us. Additional Information and Downloads. 8, 13 US . It could do the loudclean Twin Reverb tone as well as a convincing Marshall thing because it had a triple gain stage in the preamp and a pull boost. Regular price 100. The mod on 36 have been. The output impedance of V1b is dramatically lower with local negative feedback than it would be without it. 5 out of 5 stars 159 2 offers from 1,449. Many of his other amps might be simplified variations. I seem to have an affinity forwards both the EL84 and the EL34 tube sound, as you&x27;ve probably noticed. Oct 30, 2020 Most have their favorite tubes. Suzuki GV1400GD CAVALCADE 1986 (G) USA (E03) parts lists and schematics. Douk Audio Nobsound Vacuum Tube Amp Amplifier Plate Bias Current Probe Tester 8 Pin Socket for EL34, KT88, 6L6, 6V6, 5881, 6550, KT66, KT100, KT120, 7027 (CT1-C, Cathode Current) 16. Here's what Midi messages are sent when Expression pedal A is pressed. I built a twin amp style tweed cabinet somewhat modeled after the 1959 Fender Twinamp but scaled down slightly to have 10-inch drivers instead of 12&x27;s, and built up a new chassis with a newly brewed EL34 single-ended 8 watt circuit. Plug your Bias Checker into a tube socket on an amp. It was designed for use in Walt Disney "Fantasia" film. 6L6) Stereo Tube Amp. Tube World Express showcases the best sounding audio vacuum tubes that Tube World has to offer in an easy-to-navigate shopping cart format. 5k OT, to a UL tapped EL34. 3 V 1. 00 Off While Supplies Last. I was wondering about the "apparent" upgrade path to using KT88&39;s in place of the PSVANE EL34&39;s I have now. I put 2 el34's in it and could not tell any difference. 27th March 2009. 7 Replies. 0 0 V 600t 800t S2 33 36 V. In stock 28. Power consumption at idle (each amp) 160 watts for the EL34 version. If you need a vintage hifi amp schematic for your amp repair that is not listed here, contact us and we&x27;ll try to locate it. Sounds pretty close to the Mullard and Tesla until the volume is pushed very hard. The Yaqin MC13S is known for its excellent sound quality and the unique "tube warmth" feeling it provides. In general, EL34 and 6L6 tubes are typically used in higher wattage applications, usually amps that are over 50 watts. EVH 5150III 2x12" 50-watt Tube Combo Amp with EL34 Tubes. Photograph of a JCM800 4210 combo on the 1933 extension cabinet. The JJ Tesla E34L is a high grade EL34 valve has some outstanding qualities and is. Electro-Harmonix 12AT7WC-EH. 5150III 50S 2x12 Cabinet. Ampeg Schematics. Pin on clock and watchAmplifier 6sn7 el34 12ax7 El34 push-pullAmplifier el34 35w circuits elec 5w 470k. I've never used an active effects loop so all I can say is reportly that some active effects loops seem to eliminate an impedence problem that some pedals. So, if one looks for the music as close to live performances as possible within the real world of home audio, the Mizushima EL34 amplifier (NOS Tesla EL34) is the perfect match for the superb Rega Planar 8 turntable with the MC Ania cartridge. com FREE DELIVERY possible on eligible purchases. So i tought why not try to bo a SE EL34. Higher impedance with improved dynamics and unique clipping characteristics with a touch of 6L6 sound. The JTM455F6a derived Marshall Plexi is a very different amp (topology, sound) to their WEM Dominator based 18W series. EL34 World Upgrade Your Good Little Amp to GREAT (Pro Junior, Super Champ XDX2, Blues Junior, etc. me Doug's 3rd image is an 18W layout for a Pro Junior chassis - solid state rectied, cathode biased, both input triodes strapped in parallel. I have owned many other large tube amps that put out 40-60 watts, from dynaco mkiii&x27;s, st70. The best amp for me to try the EL34s in would be my TOS but it&39;s cathode biased & I don&39;t know how to CB an EL34. This glow is rarely a sign of a defect and is fairly common especially in modern power tubes. Due to the extremely high plate voltages in the shiva and how the C can handle those. Alongside Decware&x27;s The Super Zen Triode, the Willsenton R8 is the tube amp on my list of five that seems to receive the most praise from owners and reviewers. from China. Forget about post phase inverter MV with dual ganged pots and wiring that never ends. The EL34 was introduced in 1955 by Mullard, who were owned by Philips. According to this the tubes for it are 2 x 6N9P, 2 x 6N8P, 4 x EL34KT88 and 2 x 5Z3P. Speaker 1x 12" Celestion Seventy-80. Best soundstage, detail retrieval, and dynamics. Part Number RT121. The Svetlana EL34 is the perfect tube for classic rock. A good alternative would be NOS Siemens RFT from East Germany, made in the 80&x27;s. The resulting cover story, which appeared in Guitar. 0 0 V 600t 800t S2 33 36 V. Violation might not give immediate problems but the margins against current runaway aka redplating is reduced. Bogner Ecstasy 100-watt Tube Head with EL34&39;s and AAB Switch. Marshall Origin 1x12" 50-Watt EL34 Guitar Combo ORIGIN50C w Fx Loop & Boost Footswitch. Enter My Tube Amp Parts Store Here Mobile users Enter My Tube Amp Parts Store Here The Tube amp Library of information Click the link above for Tube amp info, Schematics, Board building. I just realized you are using EL34. 00 month with. Picked this up inexpensively to try on my Klipsch Quartets or Chorus 1s. Started by EL34. Well I&x27;ve made some progress on my AC30 build. World Audio Design is an excellent range of Audio amplifiers that come in. The 7 wonders of the natural world capture the imagination with their natural power and beauty. This is a very quick and easy project that is inexpensive using Hoffman&x27;s parts. With My Viking Cruise, you can experience the world in a whole new way. The best Blackstar amp in terms of versatility, quality of tones, feature set and price. E80CC - a special quality double triode vacuum tube that is a direct or indirect substitute of 12AU712AT712AX7 due to its identical heater voltage and pin out but draws twice as. James designs are honed to their own particular use case. TubeDepot carries a selection of EL34 6CA7 Power Vacuum Tubes. Just use a mini-toggle SPDT to switch between 270ohm10w (6V6) to 130ohm10w (EL84). ENGL Amplifiers Special Edition Founders Edition E670FE 100-watt Tube Amplifier Head - EL34 Version. Backup diodes on the rectifier tube, and possibly diode rectification thats swichable. Check Price. diy files. Circuit diagram - EL 34 schematics. I haven&x27;t hooked this amp up to my Altec A-7&x27;s yet. 1 with new Ortofon 2M Red cartridge. The speaker is configured to handle a certain amount of power. Microphonics and Noise. It will, heater current per single EL34 1. 20 orHuge music fender amplifier schematics on cd huge set El34 world schematics gear5c2 princeton fender schematic amp 1954 lovely schematics 5f2 jazzy warm sound late different than model 1953 1955. It is a classic look for your audio equipment. Sound Characteristics EL34 tubes sound darker and heavier. Fender schematics, service manual or circuit diagram 1. Mullard EL34 Push-Pull Tube Amp Schematic with Dynaco A420 Transformers. Sorry to wake a sleeping thread, but I just bought the Doukmall 8x2wpc SE EL34 (wmeters) amp. The EL34 World Tube amp Library of information. But i would like to ask about their attempts to make a fuzz. External EL34KT88 tube selection function, easy to replace different types of tubes, adding endless fun. Many of his other amps might be simplified variations. 10-01-2005, 1251 PM. FREE delivery Nov 29 - Dec 1. Here&39;s the place you can go to ask tube amplifier questions. pdf - 159 Kb. Popularised by Marshall, the EL34 is regarded as a key ingredient of the "British sound". Started by EL34. "The Artiste" is an ideal power amplifier and an exceptional value. I&x27;ve been thinking of getting an EL34 int amp in the 4-500 range just because its more powerful and I. I have recapped many ss amps but this is foreign to me. EL34 Power Tube Compatibility Jumper. First let me say i am intimately aware of how treble bleeds work, i've tried every imaginable way including resistors of values from 220k to 1M in parallel with them to keep lows, resistors or a pot in series to change the amount of effect they have, etc. Power output pentode, launched mid 1949 by Philips. DELIVERY WORLD. Maybe it&39;s a (close) copy of one of the versions of the "Bewitch 6550". Report Comment. EL84 vs. 3mm I. 27th March 2009. 2 ao-35 and 2 ao-29 a gibbs tank. Mullard EL34 Audio Tubes - www. In general, EL34 and 6L6 tubes are typically used in higher wattage applications, usually amps that are over 50 watts. Budget 300B Amp; KT120 Monoblock Amp; EL34-6SQ7 Amp; 47 Globe Tube Amp; 6BM8 Amp; Tubelab SPP Clone;. With a 9v - 0 - 9v transformer the problem is you lost half of the current abilities. There are 84 circuit schematics available in this category. Both sides of V1 are linked together, same thing as jumping both channels of a 4 input tweed or old Marshall with a patch cord. Re EL34 plate voltage. danielle pussy, anitta nudes
E80CC - a special quality double triode vacuum tube that is a direct or indirect substitute of 12AU712AT712AX7 due to its identical heater voltage and pin out but draws twice as. . El34 world
Jul 13, 2015 Sorry to wake a sleeping thread, but I just bought the Doukmall 8x2wpc SE EL34 (wmeters) amp. The whole spec sheet file is too large to attach. Plug your power tube into the Bias Checker. A schematic would be apriciated The thing is, I wanted to build a PP amp but i got 2 output transformers(for SE aplication), 2 ECC83 nad 4 EL34 for free. Dear Sir Glad to hear from you We are the direct agent of Shuguang and NGG vacuum tube manufacturers,we can supply the different types of tubes,including 12AX7,6L6,EL34,KT66,KT88,300B,2A3 etc. The Tube amp Library of information Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photo&x27;s, Sound clips. Joined 2004. 4 x EL34 (6CA7) Dimensions (W x H x D) 328 x 188 x 298 mm; Net weight 16. Many of his other amps might be simplified variations. it&x27;s hard to say at this point, but do you know if it is a solid top, or ply-could be from inside-glue used in laminate top, although that would be pretty hinkey owing to improper curing, or has the guitar been exposed to extreme climate change, I had a &x27;52 Les Paul that had been through. Input Power Voltage This model is Power Supply Voltage AC 110V - 120V 50Hz-60Hz (For United States) Package included BoyuuRange MT-34 MKII EL34 vacuum tube intergrated amplifier1. the unit is 30cm tall. This is a warm, thick, dense tube with world-class tonality for lovers of guitar music from Esteban to Stevie Ray Vaughan. Location Lexington, Massachusetts. Now slowly bring up the -bias to where you want it, still watching the. 5150III 15W LBX-S Head. 5150III 15W LBX-S Head. Fargen Miniplex. Listen to unlimited or download CALLAO by GRETY EL34 in Hi-Res quality on Qobuz. 9 amp heater draw on each tube. However, there isn&x27;t enough wattage to really push any 12" speaker I can think of. To put an EL34 in a normal KT6677 placement, Pin 1 would either need to be tied to. 02 2 R23 10k R22 1m R21 1m. Then again when you think it can get any cleaner, changing the factory Shuguang 6n2j tubes with quality ones will again make it sound so much cleaner. daylin93 (5,229) 96. 01 2 2 1969. Willsenton R8 KT88EL34 x4 Tube Integrated Amp Power Amplifier Headphone 893. 10 Off Retail Prices Site-Wide Use coupon code HOLIDAY10. If you are in the business of repairing amps then option 1 is the best choice. In general, EL34 and 6L6 tubes are typically used in higher wattage applications, usually amps that are over 50 watts. Comments, please. Quote from phsyconoodler on October 14, 2011, 104330 am. Click the link above for Tube amp info, Tube amp schematics, Tube amplifier circuit board building information, tube projects, Amp mods, Tube amp transformer diagrams, Photo&39;s, Sound clips. My CLONE of a Marshall Lead 12 amp. May 12, 2018 Welcome to the EL34 World Tube Amp library of information. The latter tube will pass much more current, and needs a larger bias voltage to bring down the idle current. The kt-8865506L6 family of amplifiers introduced in that era were really brought to the market primarily because of their higher power offerings. After reading Claus Byrith&x27;s instruction for the 30W PP amplifier . the lamp lighted also if there was enough oil on the engine. Last Edit July 22, 2017, 041806 pm by drgonzonm . ANK Audio Kits is pleased to announce the EL34 Triple C-Core Monoblock - "The Artiste". There is something very special about the music that flows from an EL34 amplifier gorgeous midrange, transparent highs, and solid bass. M2-PILOT, Oct 26, 2017. Learn about the best EL34 tubes for audio and guitar amps, and how to replace them when they wear out. Oldchen EL34 Tube Single-Ended Amp HIFI EXQUIS Class A Point to Point Bluetooth 5 OC34 LaoChen Black Lamp Amplifier. Reuters, the news and media division of Thomson Reuters, is the world&x27;s largest multimedia news provider, reaching billions of people worldwide every day. The schematic is from the book "Build your own Audio Valve Amplifiers" by Rainer zur Linde. 1-4 working days (Within Germany) The delivery times for shipping abroad can be found here. Marshall Schematics - Dr. I replaced the Energy set up for my home theatre with Mirage M7is in front with Mirage OMC-3 center , Mirage M1090i for rears and Mirage sub running through a big. A couple things that concern me include, 1. com FREE DELIVERY possible on eligible purchases. I&x27;m so glad I got the PrimaLuna. Re EL84 v. Class AAB 100-watt Tube Amplifier Head with Three Channels, Effects Loop, Half- and Quarter-power Switches, and 7-button Footswitch. Sep 6, 2014 Single-Ended (SE) EL34 Tube Amplifier Schematic with EF86 input stage. R2R NOS 2496 DACs, c core-based EL34, EL84 products, RIAA phono stages from entry-level to ultra high end, and our Level 5. Eh el34-- Vey reliable small bottle el34 sound. 1st full tube amp Oldchen EL34. Construction in 2009. 1 Replies 1164 Views June 12, 2019, 082900 am by EL34 Hey from Florida Started by badfenderaxe. El34 - TONAL differences. Hifi Amp Schematics to assist you with your amp repairs. Administrator; Level 5; Posts 9641; wooot Need help Re-organizing the EL34world Schematics pages on October 19, 2010, 074226 am. Hoffman Amplifiers Tube Amp Forum, The EL34world schematics library. Quad JJ EL34 Burned In Vacuum Tube Perfect for Metal. Tube How To Schematics and Layout for a Hot Rod Marshall. Those BD pipes are using Tang Bang drivers that are 90db efficient, so that also helps. I think there is an amplifier or tube-related Forum where you might get a response from persons more obsessed with amplifier tubes. The clean channel in the Runt 20 might just be the first triode. 01 2 2 1969. Re OT for PP EL34 20w. I plan to use a nice "little" SE-UL KT88 power amp that I have on hand so will be re-purposing the. V1-A C9. 25K or 22K pots with 25K or 22K R&x27;s will work. The EL34 is hailed for its strong midrange. I rewired the 6n2j socket for 12ax7 in order to use quality 12ax7 tubes. There has been another birth in the family, The Bluesman. The beam tetrode 6550, the standard tube in the Marshall AFD100, is similar to the 6L6 and came to life in 1955. LIST PRICES 3,294. Gross weight 21 KG. Consequently, the KT77 has more bottom-end and top-end sizzle than an EL34. World of Solitaire has over 100 solitaire games, including Spider, Klondike, FreeCell and Pyramid. October 30, 2015, 012425 pm. I built a twin amp style tweed cabinet somewhat modeled after the 1959 Fender Twinamp but scaled down slightly to have 10-inch drivers instead of 12&x27;s, and built up a new chassis with a newly brewed EL34 single-ended 8 watt circuit. ANK delivers world-class (CCore and EI core), DAC, Pre-amp and Phono technology along with 300B, EL34 and EL84 amplification (Monoblocks, Stereo versions, Interstage coupled) all in DIY form With Levels 2 to 5 there is some amazing DIY audio available for all budgets. Re EL34 tubes with 540v screen voltage. This is from experience using both NOS versions in amps I&x27;ve built. I do not a wholesale store, I am a retail store, but many of my parts prices are at. Today&x27;s Best Deals. Building a Williamson EL34 amplifier. EL34 VALVES BgIMAR OPERATION AS CLASS A SINGLE VALVE AMPLIFIER Anode Voltage Va 250 300 V Screen Grid Voltage V82 250 300 V Suppressor Grid Voltage VS3. But with a 1k525uF and 100k rA gain stage as first triode at v1. The RedYellow wire is grounded to the chassis to complete the bias circuit. Mullard EL34 Audio Tubes - www. Many of these diy Audio Books contain schematics. 78watts into 4 ohm). Hoffman Amplifiers Tube Amplifier Forum &187; ; Amp Stuff &187; ; Tube Amp Building - Tweaks - Repairs &187; ; On Diodes, Tubes and Compression. Check the Program Change 4 box and enter the value of 113. 6 4. They are available for free download to help you with your amplifier repair and modifications. Welcome to the el34 world tube amp library of information. 75 WPC at 8 ohms, 1KHz with EL34, KT77, 6CA7 Tubes. 5k load. Please visit my Tube Amplifier Forum. tube effects loop on board. The kt-8865506L6 family of amplifiers introduced in that era were really brought to the market primarily because of their higher power offerings. In the vein of the old gibson parallel 6v6 amps i built this with el34s, a 6sl7 preamp and all. . cojiendo a mi hijastra