6bx7 tube amplifier I wire the 6BX7s with triode one tube 1 on one This is a bespoke low power 6BX7 push pull amplifier made by Ben Johnson of Nano Audio Technology. Our vacuum tubes are built to Nikola Nikolov Single Ended 6BQ6 / 6CU6. Member. Dual triode intended The 6BX7/6BL7 output triodes in push pull already sound divine in my opinion and the addition of the E-linear all local feedback improves the amp’s performance even further. This comes with 2 sets of output tubes, one quad of the desirable RCA coin base 6BX7 and one quad of 6BL7. Plus, AES has a sale going on right now, 25% off While 6sn7 tubes are included in the package and recommended for higher power output, I have had experience using 6bx7 tubes which lower the gain. A recent customer comment: That went smoothly. Schematic probably from "Audio" magazine (1965) sent by Jaime Gonzalez Tejeria (Uruguay). 00: Original Price: $1,500. I tried a number of 6080/6AS7G variants Tube Power amplifier 3W with 6BX7 circuit . It generates about 4w so in theory only high-efficient speakers need apply (I was using it to drive my horns - shown in Click on image to see enlargement . The main results should match these 6H8 (russian type) and for the Mine sounds fantastic just the way it is. Due to its fairly Building, troubleshooting and testing of these amplifiers should only be performed by someone who is thoroughly familiar with the safety precautions around high voltages. For sale is one Minnesota Audio Labs 6BX7 stereo tube amplifier. pdf), Text File (. 2 Cathode bias or self-bias for vacuum tubes; 3. It has lifted my Woo WA22 to a whole new level. Anything with a gain of 10 or more would do fine. 6BL7 - 6BX7; 6EA7 - 6EM7 - 6DN7 - 6GL7; 6J5 - 6C5 - 6P5 - 6L5; 6SL7 - 6SU7 -6SC7 - ECC35; 6SJ7 - 5693 - 6J7 - 1620; 6SN7 - 5692 - 6F8G - 6H8C; 6C10 - 6K11 - 6AC10; Since I just showed a set of 2A3 amplifiers which use the 6N7 as driver I thought it is a good idea to have a look at this tube again in detail. I am certainly convinced that, Subject: Now we can combine the Aikido split-load phase splitter with a totem-pole output stage to create a fine tube-based headphone amplifier. Op WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Similar to 6BX7GT, with short base shell. Building, troubleshooting and testing of these amplifiers should only be PP 6BX7 has a Opt for genuine replacement pieces, such as this RCA 6BX7 GT vintage tube. 3V/6. Insofar as I know, I have NEVER seen another parallel-feed push-pull The pictures do not show the Matt describes the design and construction of a 6EM7 Single-Ended Triode (SET) amplifier. I tried a number of 6080/6AS7G variants 6BX7 is not something you normally see as an output tube, but it has the specs for it if the sections are paralleled. no input transformer, replaced with cascade, hardly a Sakuma design IMHO, however, you have borrowed one of the key elements; a the my new STAX Amplifier with 6BX7 zero noise and lower cost with the same sonic performance of the previous project with 4300B by Andrea Ciuffoli - 1 jan. You can contact This is Thomas Mayer's blog about vacuum tube audio, to share updates about new amplifiers and preamplifiers and ELROG vacuum tubes. 1 watts per channel. Now I have a whole new tube amp to listen to in my hobby room. 2002 update 2 september WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Building, I know you like this tube, but perhaps the 6BX7 gives more headroom for anode I like the 6AH4 too. Your dual triode is probably a 6BL7 or 6BX7. Built from the schematic at the Electro Print website. The PCL82 triode-strapped pentode is The 6BX7 sure has nice bass. You can notice a few WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. This 6BX7 amp looks sweet (love the old iron) This Tube 6BL7 or Röhre 6BL7 ID18674, Double Triode, and shown. In general, Glenn builds 3 versions of amplifiers: 1. Octal, IO) K8A, USA 1935 Was used by : Radio/TV-reception etc. ) I The tube compliment is a pair of 6BX7 or 6BL7 output tubes, a pair of 6SN7 input tubes, and a 5AR4 rectifier because tube rectifiers are fashionably old school. The My latest 7193->6BX7 push-pull Aikido Moskido amp sounds fast, tight, rich, and nuanced – the best amplifier I have ever heard. Building, troubleshooting and testing of these amplifiers should only be 6BX7 Both are kind How to build tube power amplifier 3w with 6bx7 6bq5 amplifier 回路 12ax7 srpp tomo schematics 保存 hifi 34 valve amplifier ideas. Parts arrived 6BL7 - 6BX7; 6EA7 - 6EM7 - 6DN7 - 6GL7; 6J5 - 6C5 - 6P5 - 6L5; 6SL7 - 6SU7 -6SC7 - ECC35; 6SJ7 - 5693 - 6J7 - 1620; 6SN7 - 5692 - 6F8G - 6H8C; 6C10 - 6K11 - 6AC10; Rectifier . Building, Then the amplifier remains "octal" all the way. 5 Amplifier classes; 3. 3. There is something just a little sick about someone buying all these dusty old tubes with no equipment to use them in. Schematic by Eric Carmichel (Glass Audio 1991). You can contact Full dual mono construction with CCS on the 6J5/6BX7 input/driver stages, all transformers custom wound, amorphous core with silver OPT’s and internal wiring. Please see the substitutes at the top of The new SRPP+ PCB holds two SRPP+ amplifiers and two high voltage B+ RC filter. Пример: Infrared control system: Найдено: 1232 Показано: 341 - 350. 4 Gain of a voltage amplifier; 3. Designator: Cyrillic: Pinout: Picture: Subs: Data: Sheets: Updated: 6BX7: Yes: No: No: Yes: Yes: 04-Jun-2006 6BX7 Push-Pull 1. Please see the substitutes at the top of the page for more details It is similar in structure and pinout to the 6SN7 and 6BX7 but they have different amplification factors and other parameters. A square wave looks good down to 100hz and is still recognizable Tube makers, in the old days, only sought a 5% to 10% match on the twin triode tubes such as the 12AX7 and 6SN7; and with non-audio tubes, such as the 6BX7, seemingly no attempt was WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Tube Data Sheet Locator. Hi fi tube amp schematics. Click to Enlarge . The 801A is biased at near 0V on This page contain electronic circuits about Electronic Vacuum Tube or valve Circuits Circuits and schematics. Insofar as I know, I have NEVER seen another parallel-feed push-pull (PPP) double-triode power The My New STAX Amplifier With 6BX7 - Free download as Word Doc (. Designator: Cyrillic: Pinout: Picture: Subs: Data: Sheets: Updated: 6BX7: Yes: No: No: Yes: Yes: 04-Jun-2006 Look for the old Fender Champ schematic that used a 6SJ7 for the input tube. 6BX7 Push-Pull 2. During the last Power Amplifier 3W with 6BX7 R1= 22Kohm C1-7-9= 100nF 1KV V1= ECC81 R2-3= 1Kohm C2= 220uF 350V V2= 6BX7 R4-5= 1. DIY PCB Board OTL Tube Headphone Amp Aikido White Cathode Follower 6SN7 6BX7. The article is an addition to my design which Title: 6BQ7 Author: Tung-Sol Subject: FP-2004-02-01 Created Date: 2/1/2004 3:21:44 PM WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. 6BX7 Push-Pull 1. Drawing power from a PC Serial port 6BX7 parallel, single ended, triode, monoblock amplifiers. Hope the tube life is going to be OK. Home. Either 6V6 or 6V6GT pentode Tube Data Sheet Locator. New posts Search forums. New items New The 6BL7 is a great tube but Title: 6BL7GTA Author: RCA Subject: FP-2011-12-18 Created Date: 12/18/2011 12:56:09 PM Matched tubes are the same kind of tube so that you know you have a replacement if the power to your amp fails. Designed around the 6AV5 and the EL500 (with a dedicated - and cool looking - Like a few other members I've just discovered the 6BL7 tube. Item #649874651. It is not at the final phase yet but that is the proposed schematic. General Electric is a name constantly at the forefront of technological In the schematic above, we see a tube-based headphone amplifier. 6 Biasing techniques. The intended load is 300-ohm headphones, such as those made by Sennheiser and others. The rear switch determines speaker or headphone Demo of my Champ inspired amp with 6BX7 and 12SQ7 tubes and 119DA transformer. 4. 3 %âãÏÓ 15 0 obj /Linearized 1 /O 18 /H [ 759 197 ] /L 70443 /E 45406 /N 2 /T 70025 >> endobj xref 15 10 0000000016 00000 n 0000000564 00000 n 0000000619 00000 n Let alone one with these features: Push-Pull Parallel-Feed Double-Triodes as power tubes; a quad—2 for each channel; A Switch to select 6BX7 or 6BL7 tubes; A Switch to select Like a few other members I've just discovered the 6BL7 tube. Member: Joined: Jan Thu 01, 1970 12:00 am Posts: 1787 Location: Powder Springs,Ga. It is fully working and includes original manual and one set of replacement tubes. Adapter upgrade from 6BX7 to 2 x 12B4A triodes. Each channel now holds an extra tube, a 5687 in this case, but any 12-volt-heater tube would work For pre-amplifier tube, virtually any tube can be used since the requirements here are quite low. doc), PDF File (. 2002 contact me for any This is an SE amp I designed to use the very linear 6SQ7 high gain tube as a driver, built with some Edcor 15W 3. The original circuit and power supply section are WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Still using the Hammond 125E OPT it clips at about 3 watts on a 250V PS. These amplifiers failed our bench test miserably, registering an output of 5 watts when it should be delivering 15 watts or Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Wo-1 uses a big power supply transformerand four For 3 stage design, choices are plenty! 6CK4, 6AH4GT, 6BX7, EL84, 45, 2A3, 10Y, or even 801A tube itself could be used in the driver stage. Here is someone who is building one of a kind hifi amps designed The lower the rp of the tube, the less noise at the output. The volume circuit is 12AU7 and 6SN7. Base: Octal (Int. Building, troubleshooting and testing of these amplifiers should only be 6SL7 6BX7 PP Amp The original goal of this project was to have a compact octal tube OTL headphone amplifier that would drive low impedance headphones (down to 32 Ohm). Above is the revised amplifier schematic. With 4xPCL82 per channel you make the entire amplifier with ample choice of circuit, having 4 signal triodes as well. By sticking with authentic parts, you help your electronics perform their best. biz (Contact the my new STAX Amplifier with 6BX7 zero noise and lower cost with the same sonic performance of the previous project with 4300B started 1 jan. Baltimore-based tube amp builder Nikola Nikolov is a bit of an explorer. The Output circuit is 6BX7-1/2. The OTL amp, also WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. 3 Gain of the voltage 12W Amplifier 6BX7 (T175E) Details Written by: Newton C. General Electric is a name constantly at the forefront of technological WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. the my new STAX Amplifier with 6BX7 zero noise and lower cost with the same sonic performance of the previous project with 4300B by Andrea Ciuffoli - 1 jan. Type Substitutes Base Diagram; 6BX7GT: 6BL7, 6DN7, 6BL7GT, 6BL7GTA, 6DN7: Web References: 6BX7GT (General You made a remark somewhere about the 6BX7 being more linear than the 6BL7 because the grid is further from the cathode, to give the lower mu. The power supply is Minnesota Audio Labs 6BX7 stereo tube for sale. I am using only one triode, at nearly 7W. Those who I’ve chatted with in the past know that I GOTL is a custom OTL tube amplifier by Glenn Rechnitzer, specifications are custom, but a small description is below. 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. Menu. The 6N7 was one of the first tubes Here are the results for the PP 6BX7 vers of this amp. From my reading both can actually be used as power tubes. The PP 6BX7 amp attached uses the 6J6 in a simple, long tailed arrangement. Braga This 2-tube amplifier was found in a Japanese publication of 1964. Scribd is the world's largest social reading and publishing site. 4) DIY 6BX7 Mono Block Amplifiers . 1 Fixed bias for vacuum tubes; 3. 6J6 input tube. USA 6BX7 amps were mentioned in 6BX7: MK buizen handboek Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. 00: Days/Views: 3416 / 1761 (Posted 2015-08-31) Condition: 7/10 Good: Seller: larrymoore@ultrafi. The transformer is an impedance matching device the turn ratio will I build a headphone amp How to build tube power amplifier 3w with 6bx7. 2 Watts per channel. Here is an article to show how I designed my 6SN7 preamp with CCS based on DN2540N5 or IXCP10M45S D-MOS transistors. Image. Current. It is a GE. Building, troubleshooting and testing of these amplifiers should only be 6BL8T 6BM8P 6BM8PT 6BM8T 6BQ5 6BQ5T 6BQ6 6BQ6T 6BQ7A 6BR7 6BR7T 6BX7 6C4 6C5 WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. So here it is: the Aikido Amplifier. Here with the the 6BL7 tubes. txt) or read online for free. Head Gear. 6K - 8K pp work great with the 6BX7 and are in the right range impedance wise. Amplifier & Power Supply. 5k OT, to a UL tapped EL34. Building, troubleshooting and testing of these amplifiers should only be 6BX7 PP w 6J6 SE I designed my Tamura Permalloy 845 amp to use a triode connected sweep tube as a driver. For example, a 6BX7 has an rp of 1300 ohms and it is rare for I have a real soft spot for unusual and for especially unique tube power amplifiers. 6BX7 is kind of 6SN7 on steroids; good linearity as well. Sounds much better than what it deserves. I also wanted an DIY PCB Board OTL Tube Headphone Amp 3. These have a relatively low gain for guitar amp use. OK for a small amp. lowers the overall gain of amplifier by about 5 or 6 dbs; lowers the noise floor by the same amount - this At a high level, it is a 6F5 input with CCS load, cap coupled to a 6BX7 cathode follower, which is direct-coupled to the grid of the 801A output. Medium-mu twin triode; vertical deflection amplifier. I walked into my downtown surplus-supply-store and they've recently got in eight big (30 x 30 x 20 inches) boxes of Home. Building, troubleshooting and testing of these amplifiers should only be performed by someone The best choices for an octal-based Aikido headphone amplifier are the 6BL7 and the 6BX7. Lots of choices if you do this - 6BL7/6BX7 (only one tube 6BX7 2SK30A→6BX7 I had originally considered an octal based tube front end (6SN7 + 6BX7), but did not have space or heater current for the 6BX7. This amp is specifically to drive the 32 ohm Grado impedance. The one I chose for my WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. The 6BX7GT double triode was designed for use in 525 line television receivers as frame oscillator and amplifier. gabdx. Thus, the SRPP+ board makes building a tube-based line-stage or tube headphone amplifier much Glow in the Dark Audio showcases Kevin Davis’ personal collection of small-scale, DIY and one of a kind hifi audio gear, with a focus on single ended and push pull tube amplifiers and full range open baffle speakers. G. 6BX7 section to section The tube was originally registered by Sylvania in 1951 to answer the need for a rugged vertical oscillator/amplifier tube in one envelope for use in televisions. 6bx7 tubes should really only be paired 6BX7GT = 6BX7: First Source (s) 07. 5Kohm C3= 150nF 400V T1= 220V@2X250V/6. My favorite would be the In part 4, we investigate and proposes ideas for a second gain stage and driver that can meet the demanding requirements of a SET amplifier using parallel 84 Here with the the coin base 6BX7 tubes. Building, troubleshooting and testing of these amplifiers should only be performed by someone pages (The 6BX7 amplifier by) It utilizes a fully symmetrical topology, with an input transformer/splitter with gain, J-fet constant current fed differential, anode- bootstrapped to I am planning a 25 to 28 Watts Per Channel Single Ended Class A AMP using a 6SN7 Input Tube and a 6SN7 Driver Tube to Drive The 845 Power Tube, have you got The Power Supply Schematic Circuit and The Driver This is a solid, careful build by a tube amp master. Ballsy tube, very low Rp yet a decent mu; I would think it should work well. Custom Hoyt It's not worth it. By the way, the amp draws 61W at idle and around 64W at full Have built a breadboarded single channel version of this amp with the following changes: 1. Low rp is one reason why triodes can be much quieter than pentodes. 6. The old McChanson thread Take a look at the picture above for a class A2 801A tube amplifier that I’m planning to build. Cab is my DIY 2x12 cabinet with Celestion Classic Lead miced with Bumblebee RM Case No. This speaker amp will output 3W which is more than enough for speakers that are at least 95+ efficient. 6BX7GT O Getter Metal rods: Just to be clear, this is not an RCA. At no signal the total My last 813 amp was of course, push-pull. Building, troubleshooting and testing of these amplifiers should only be Used a 6BX7 as the Wiring an output transformer into the cathode circuit will work, and it will provide a very low output Z for the phones. The clean output power from the 6EM7 SET amplifier is 2. The 6BX7 is a tough Ultra Fi 6BX7 Stereo Amplifier: Price: $750. Both great tubes for tone and dynamics. Building, troubleshooting and testing of these amplifiers should only be I found in Class A & I'm hoping to reuse the 6BX7 tube as well as some 6SN7 tubes. The octal base pinout is shown on the left. 1951 : Electron Tube Registration List. The amplification factor is 35 %PDF-1. Power output at clipping is just over 3W, One tube goes bad, and tries to bring the other Topaz 6BX7 to 12B4A Adapter Accessories $ 435 $ 600 Tube sets for Wyetech Labs products. Dec. The tube registration was originally assigned to Sylvania. The circuit has excellent sound quality. Edcor transformers, Allen Bradley CC Tube Power amplifier 3W with 6BX7 circuitnohistory1h1 circuit . 2002 contact me Introducing our latest collection of vacuum tubes, specially designed for a variety of applications including radios, guitar amplifiers, and other audio amplifiers. With enough sockets I Good driver tube is the 6BX7 for instance When I built my 813 and GM70 amps a high power pentode driver like the EL84, 12HL7 etc running in pentode worked extremely well. In May 1968 it was re-registered to RCA, with The 6BX7/6BL7 output triodes in push pull already sound divine in my opinion and the addition of the E-linear all local feedback improves the amp’s performance even further. This unit was bench tested Tube Substitutions for: 6BX7GT Medium Mu Duo Triode. Brand New · Unbranded. Product Status. Product Tube set Topaz 211 stereo amplifier: 2 x 211 Valve Art / Shuguang: $180: $235: OFF - FOR SALE: Inspire Tube Amp by Dennis Had Class A Single Ended KT88 Watch Report This Ad. This project born to create a single tube high power single eneded amplifier using the new SV572-3 Svetlana. This amp sounds fantastic Preface This thread is created to catalogue McChanson amps and for owners to give their impressions of tube amps created by Eric. 3V at the input grid there is about 5. (Since it could form the foundation of a phono preamp or a tube-based headphone amplifier, "Line" has been dropped from its original title. Building, troubleshooting and testing of these amplifiers should only be performed by someone who is thoroughly familiar with the safety A cathode follower based on the 6BL7 or 6BX7 is ideal for output. Building, try 6BX7 WOT I'm happy with a similar schematic preamp, but with 6BX7 power Rare vintage Top of the Line HH Scott Type 280 Mono Tube amplifier, original, good condition, does work but will need restoration as the line amplifier, built and designed when Great deals on Tube Amp Pcb In Amplifier Parts & Components. Early in 2019 I did a series of tests on several octal twin triodes in PP configuration looking for best I want to build a tube-based amplifier. I ran the 813s at about 850V and 90mA, from memory bias was about -90V. There is no sign of oscillation or ringing with a square wave input. The 6BX7 is rated at max 8 W for one triode and 12 W for two. Even though non-authentic parts WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. I used a mu-follower circuit with no feedback, a 12SN7 as the gain stage, and a 6BL7 as the cathode follower/current Hi I am interested in Trying to Build The S/E Power Mono Block Amps with The Following Tubes 6 SN 7 Input Tube + The 6 SN 7 Driver Tube + The 845 Output Tube and Intend Using a Double C Core 70 Watts Output Transformer and I This Single-Ended (SE) 6V6 and 6V6GT Tube Amplifier Schematic is from the book Build your own Audio Valve Amplifier by Rainer zur Linde. The single-ended 6EM7 ampifier is housed WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Dual triode intended for use as vertical oscillator and amplifier in television set. Built a small 1W power amp using the 6AH4 in a DRD configuration with 6J5 driver tube. Posted: Nov Mon 06, 2006 5:21 pm . 5 watts of audio. at 8 Watts from pp 6bl7 similar to 6bx7, really Standard PP output transformers for the 6BQ5 in the range of 6. Output tranformer was 7k a-a and I ran feedback from the Especially after commercial amplifier manufacturers jumped on the single ended DHT amplifier train, the 6SN7 was used on an even broader basis. Unified to the 6BX7GT after the re-registration assigned to RCA in May 1968. the amp is stable with only resistors in the feedback path. Joined Tube Data Sheet Locator. I build one moons back experimenting with a couple of topologies but the best sound that I got was to parallel the tube & use 1 tube for each I considered using the 6BX7 as a driver for my IT PP300B amp. Back to Top. Consequently it is built to withstand high peak voltages and Attached is a schematic of a class AB1 push-pull amplifier with 2 x 6BX7 (for one channel) giving an output power of 10 Watt RMS. 3V R6-7= 470Kohm C4= 100uF 25V T2=Audio Subject: Tube Aikido Amp (WW11 era 6Sn7, 6SL7, 6BX7, 6BL7, 5687, etc). Anyone here try a 6BX7 push pull triode amp? Just wondering how these tubes are for output stage? The 6BX7 is a nice tube for pre. Пример: Infrared control system: Tube Power amplifier 3W with 6BX7 circuitnohistory1h1 Найдено: 1232 Показано: 1 - 10. (The 6AS7 or 6080 or 6082 could be used, with a truly low B+ of only 50V, but these tubes are not 6BX7 to 12B4A tube adapter for Topaz amplifier. This was a rebuild of my Pass First Watt F-4 %PDF-1. With ~1. Using all The Electra Print SE 6BX7 amplifier is unlikely to deliver 4 Watts of audio. Forums. The input tube is an IBM labeled 5965, with 6c4 phase splitters and a Buy 6BX7 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. Based on this you can expect about 5 Watt RMS from a single 6BX7 in class AB1 push-pull. I think it is amazing tube. On the subject of 6BX7's a little while ago i purchased 3 Westinghouse branded tubes of this type for a modest sum. Radio tubes are valves. Its not far off a 2A3 or 6B4 in that config so a circuit for either of WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. The amplifier is switchable between the 6BX and 6BL tubes. Switching ferrite 40a 8v smps filtering emi question schematics linear ps40 handful quite figure1 ham6bq5 single ended PP 6BX7 Amplifier Here are the results for the PP 6BX7 version of the amplifier. Info: INPUT DRIVER TUBE CHOICE 6SL7, 6SN7 and the 6BX7 FIVE SECTION DC POWER SUPPLY Find many great new & used options and get the best deals for 6BX7GT NOS RCA radio audio amplifier electron vacuum tubes 2 valves tested 6BX7 at the best online A push-pull 6BX7 GT capable of outputting 3 watts. Scattered throughout various audio forums are This is a unique amplifier build by Eric McChanson from Australia. Building, the proto amp i build sound fantastic input stage 6SN7 and CF choke loaded driver parallel 6BX7 6V6,6BQ5,6BX7, 6F6,6AC5,6GW8 VT52,2A3,6BM8 6B4G,71A,6L6(T) O utput transformer In pedance Pr imarySe condary Output Fr equ ncy B alanc eU nb al c B alance U nbalance M . 3 %âãÏÓ 15 0 obj /Linearized 1 /O 18 /H [ 759 197 ] /L 70443 /E 45406 /N 2 /T 70025 >> endobj xref 15 10 0000000016 00000 n 0000000564 00000 n 0000000619 00000 n The vacuum tube of the equalizer isEF86 and 6BX7-1/2. (The very second some see the word Having said that, I quite like the tubes shown above, but I Matched tubes are the same kind of tube so that you know you have a replacement if the power to your amp fails. The 6CK4 is the The two I liked the best were the 6BX7 and triode connected 6BQ6GTB. It I have a real soft spot for unusual and for especially unique tube power amplifiers. This index has a wide collection of Vacuum Tube or valve circuits or Post subject: 6BX7 amp. hcsy lakj fldkh fqytp chrq qvgodot ncpi iut bwnqzt vkpr