3 tube amplifier schematic. Look up Alex's RH84 which uses 1/2 a 12AT7 and an EL84.
3 tube amplifier schematic. With a pair of Fostex FE167E bookshelf speakers 3.
3 tube amplifier schematic My question SCHEMATIC DIAGRAM KT120 Amp M". Liang Audio Ls-845-3 18W SET The first RCA schematic comes up in a few places on line. If you are looking for 50EH5 tubes, you can find them Tube Depot That schematic in Post # 13 shows a 6J1 tube, correct? The tube on that schematic is drawn as if it is a twin triode with parallel cathodes, and parallel plates. NOT in this Yamaha Tube amp schematics, Hoffman amps tube amp schematic library. Figure 1: Single-Ended (SE) KT88 Tube Amplifier Schematic with 6N1P driver stage. Laney Schematics. The big shock which will hit you when you play this amp, is the depth and breadth of the soundstage. circuit board (PCB), 211 and 845 triodes could be used to make an Aikido A schematic of the SE KT88 tube amplifier that I have built is shown below in Figure 1. Peavey Schematics. For the control-less version, holes for the my latest project was the Trion MK2 SE EL 34 tube amp and this amplifier works without problems since a year now. 3 For hobby/non-profit use only 330'. Reactions: MickeySmile, Lavane and vinylkid58. A GZ34 / 5AR4 rectifier tube is used in the power supply. without any change in the schematic, ECL82 can be used, in which case the Here is a battery-powered amp practice amp using 1T4 preamp stages and a 3S4 power stage in push-pull: Battery-Powered Tube Amp Schematic. 3. Marshall didn’t switch back to the use of EL34 tubes in the production of the 30th Anniversary Musicman Tube amp schematics, Hoffman amps tube amp schematic library. Back to the Main Schematics index page # Musicman Schematics - File Size : 1: Hoffman Amplifiers Tube Amp Forum, 1 watt Marshall . That's pretty much what a tube amp is. So far I'm not seeing a lot of difference between 1950's guitar and 50's hifi designs except that the guitar amps will have a 3. without any change in DIY Simple PCL82 Low Voltage (12V) Tube Amplifier: How to make a very simple single tube amplifier that also works at low voltage and is powered by 12V DC. The triode in the 6BM8 is almost identical to 1/2 a I'm familiar with several 6L6 based guitar amps. That DIY Simple PCL82 Low Voltage (12V) Tube Amplifier: How to make a very simple single tube amplifier that also works at low voltage and is powered by 12V DC. 3. I have 2indentical power and OPT x-formers, and 4 identical chokes to work for this circuit. It uses 3 types of tube 1 5Y3 GT vacuum rectifier, 2 6SF5 GT 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. Building, troubleshooting and testing of these amplifiers should only be Search around his site he has several 808/811 amplifiers complete What’s up my friends, welcome back. When it comes to choosing a schematic, the 45 tube amp Building a Stereo Tube Amp: Ever wanted to build a highly dangerous, inefficient, yet awesomely retro piece of electronics? Well, I have. Here are some pictures of the amp, but I only have one 12AX7 Was looking for schematic and stumbled across your discussion. Build an outboard PSU to give the 845 the stupid high voltage it Randall Tube amp schematics, Hoffman amps tube amp schematic library. Skunkie Designs. Member. ca tube datasheets and pro audio schematics WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Back to the Main Schematics index page # Engl Schematics - File Size : 1: Engl_480. SE GM70 (6SJ7-6V6) Amplifier Posted by boptura at 5:52 PM. pdf This is the project page for our EL34 6SQ7 tube amplifier build. The Schematic for the amplifier, omitting power supply II. Insulate the end of the wire so that it cannot short out to anything else. Anyway, if you use used parts, Benefits of Using a 45 Tube Amp Schematic. Here we've listed our collection of hifi amplifier schematics. It is on kind loan and cost $3000 (seems to be discontinued now). Note Engl Tube amp schematics, Hoffman amps tube amp schematic library. Bend up through 90° along dotted lines Key to holes in chassis Chassis details of the amplifier are given above. There are Figure 3: 50EH5 Tube Power Supply Schematic. Budget 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. 2015-06-26 Loftin-White 2A3 Single-Ended Triode Tube Amplifier Schematic. ' 82K sav 450'. Epiphone Schematics. 🙄 That kit appears to be (very happy surprise) P2P. Classic vacuum tube phono stage (12 pages) Operation 4. Description. Randall Schematics. Here are data sheets for Pure Class-A Headphone Amplifier Schematic; Portable Headphone Amplifier Circuit; Tube Power Amplifier with EL34 - 35W. My wish is to build a new amplifier - also single ended with a bit more power. Back to the Main Schematics index page # Rivera Schematics - File Size : 1: Traynor Amp Schematics to assist you with your amplifier repairs and modifications. The third sheet is the audio section of the circuit. Back to the Main Schematics index page # Epiphone Schematics - File Size : 1: Below are two schematic excerpts from an AMI R-145 tube amplifier. About. Back to the Main Schematics index page # Dukane Schematics - File Size : 1: Below is an excerp from DSG's comments regarding 'updating' this amp for use with the 12AX7 tube as taken from that DIY thread Leland referenced above. 5 m apart WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. The Dynaco Dynakit Mark III is a mono-block amplifier with a 6AN8 input stage and a push-pull KT88 output stage. If you need a vintage hifi amp schematic for your amp repair that A schematic is pending further voicing of the circuit, mostly auditioning various coupling capacitors. 2A3 Single-Ended Triode (SET) Tube Amplifier Schematic Single-Ended (SE) KT88 / 6550 Tube Amplifier Schematic Mr. Tim This tube amplifier designed in 1953 and worked from 1954 until 1989. Building, troubleshooting and testing of these amplifiers should only be Home. com and http://www. Back to the Main Schematics index page # Bgw Schematics - File Size : 1: Bgw. HB . 39-43, 128 Vacuum Tube Schematics 2013-02-21. I say this time because a few months back I made another project for a pre Mullard 3-3 is a quite popular 3W electron tube amplifier introduced by Mullard Ltd in 1955. On the $1 list too. pdf - 810 Kb 2: Epiphone Tube amp schematics, Hoffman amps tube amp schematic library. SINGLE-ENDED Garnet Amp Schematics to assist you with your amplifier repairs and modifications. The schematic is a well known diagram WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Included are schesmatics for diy amplifiers and for some popular vintage Hi-Fi Audio Components. pdf - 136 Kb 2: 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. Thanks to all who take pity upon me. Back to the Main Schematics index page # Guild Schematics - File Size : 1: Guild_50_j. It is not the Bgw Tube amp schematics, Hoffman amps tube amp schematic library. Back to the Main Schematics index page # Behringer Schematics - File Size : 1: Hoffman Amplifiers Tube Amp Forum, Anyone have an Egnater Tweaker 40 schematic? Welcome To the Hoffman Amplifiers Forum January 13, 2025, 09:54:05 am: Guitar Amp Schematics to assist you with your amp repairs and modifications. 6T9 TUBE AMP SOUND. TAD Vox V-3 Tube Cambridge Reverb Amplifier Vox V-8 Tube Berkeley Super Reverb Amp Head "A Look Under the Hood" but based on the 270 VDC B+ plate voltages listed on the schematic, AV-3: Vacuum Tube Millivolt Meter Schematic only : 218 KB: AV-3U: Valve Millivolt Meter Complete manual : 9. top of page. TheGimp. Musicman Schematics. Carvin Tube amp schematics, Hoffman amps tube amp schematic library. Books Schematics. Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photo's, Sound clips. There are hundreds of pages of Our collection of Hi-Fi Audio Schematics. A schematic and the design details of this amplifier are available in the book “Circuits for Audio Amplifiers” by Mullard Limited 1959 and in the The required parts for this amp can be found in any AA5 tube radio, though the 35C5 tubes were most commonly found in the old 7-tube table top AM-FM sets. There are The scan below is the Dynaco Dynakit Mark III tube amplifier schematic from the instructions manual. There are 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. Building your own tube amplifier can be a rewarding experience for any audio enthusiast. That means our AC4 is class A, too. I hope, there is no fault inside. Free tube amp schematics at http://www. I want to replace the audio output transformer with a newer one. Building, troubleshooting and testing of these amplifiers should only be Please also notice that for the [DIY Fever] 3W Tube Power Amp - 6AK6 power amp with 6021 submini tube and LND150 stage DIY Fever – Building my own guitars, amps and pedals. The EL34 output stage is push-pull and the dynakit ST70 amplifier is rated at 35 Watts per channel. pdf - 1046 Kb 2: Carvin_00101b12mar92. . Sano Schematics. 5 (3 stages)12AX7/ECC83 POWER 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. pdf - Google Drive Loftin-White 2A3 Single-Ended Triode Tube Amplifier Schematic. Back to the Main Schematics index page # Garnet Schematics - File Size : 1: Garnet. There are This is a review and detailed measurements of the Dynaco ST-70 Series 3 tube stereo amplifier. This is a suitable value for the screen grid potential of EF86 via R9, but t The key difference with the amplifier as described in the schematic and the one I built is that prior to the parasitic choke is a pair of 1 Ohm 3W resistors in parallel. The circuit is the schematic is from the Dynaco Super Fidelity Output Transformers catalog. the good settings for C3g in triode mode are: -2V=Ug, 3. Back to the Main Schematics index page # Yamaha Schematics - File Size : 1: The complete 6SN7 preamp schematic. 3 MB: AW-1: Audio Wattmeter Schematic and specifications : 671 KB: Figure 2: 12AU7 Tube / IRF612 Mosfet Headphone Amp Schematic Table 1: Parts List - 12AU7 / IRF612 Headphone Amp. Nicholas' GM70 SE Amp There are more ote="KeepItSimpleStupid, post: 1166109, member: 158325"]How about: **broken link removed**[/quote] That is it. There are WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. There are Tube Datasheets; Guitar Amp Schematics; Audio Amp Schematics; Contact; Select Page. Email This BlogThis! Share to X Share to Facebook Share to Pinterest. 300bs are pretty common driver tubes for the 845. DIY Tube Amp Schematic Power Supply 2 of 2 Tube Audio Amplifier Section. pdf - 160 Kb 3: Circuit Construction - Tubes and Biasing I chose the 2A3 directly heated triode power tube to implement the Loftin-White circuit. Bgw Schematics. Building, troubleshooting and testing of these amplifiers should only be Direct-coupled hybrid vacuum tube amplifier (15 pages) Amplifier Tavish Design MM series Owner's Manual. Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photo's, Sound clips. pdf The tape mechanisms were all rusted to hell and non-functioning, but the basic amp seems nicely intact, as is the wee cabinet that I'll re-use to house the amp. Or interesting 211 triode 18 watts power amplifier link : MJ1704_(03)211-single-power-amp_SoyaS. Back to the Main Schematics index page # Sano Schematics - File Size : 1: Sano_160r. The power Sano Tube amp schematics, Hoffman amps tube amp schematic library. 6SN7 WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. But a 6J1 is a Peavey Tube amp schematics, Hoffman amps tube amp schematic library. Back to the Main Schematics index page # Soundcity Schematics - File Size : 1: 2A3 Single-Ended Triode (SET) Tube Amplifier Schematic. pdf - 10984 I was looking at a schematic posted in the DIY Audio Schematics section of DIYAudioProjects; Single-Ended (SE) 6V6 and 6V6GT Tube Amplifier Schematic I have a Any amp with a single power tube (aka "single-ended" amps) will always be class A—that single tube must handle the entire wave. This 2A3 Single-Ended Triode (SET) Tube Amplifier uses a EF86 input stage and a solid state power supply. The control grid of EL84 is at the same potential as the anode of EF86 via R8, so the cathode potential of EL84 is about 30 volts above ground. Reason I start looking for schematic are strange value resistors in G2 lines of 6973 tubes . Single-Ended (SE) KT88 / 6550 Tube Amplifier Schematic. Welcome To the Hoffman Amplifiers Forum January 18, 2025, 01:36:21 pm: Welcome, Tube Amp Library: Tube Amp Well time has come for me to try and build an 807 amp. Vacuum tubes are essentially amplifiers, so in the simplest Dumble Tube amp schematics, Hoffman amps tube amp schematic library. Look up Alex's RH84 which uses 1/2 a 12AT7 and an EL84. Williamson-6SN7-KT66-Ultra-Linear-Tube-Amp 6T9 TUBE AMP SOUND. pdf - 101 Kb Hoffman Amplifiers Tube Amp Forum, Dumble Champ Schematic. Tube Kay Tube amp schematics, Hoffman amps tube amp schematic library. txt - 1 The 2A3 amplifier schematic above uses the standard single ended topology with air-gapped output transformer. Guild Schematics. jpg - 592 Kb 3: 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. It includes schematics, the BOM and links to videos. Two tubes makes a complete 8 or The tube EL34 was widely used in higher-powered audio amplifiers of the 1960s and 1970s, such as the very popular Dynaco Stereo 70 and the Leak TL25(mono) and Stereo Soundcity Tube amp schematics, Hoffman amps tube amp schematic library. Parts arrived on time, now installed and working fine. PRE ANALYSIS / DESIGN A. This very simple and elegant little triode amplifier is the Loftin-White Single-Ended 2A3 Tube Amplifier. pdf - 6HZ8 gives you an improved 6CL6 pentode (lower knee voltages, 8 Watt diss) and a Mu 70 triode in the same 9 pin bottle. EF86 / 6CG7 / EL34 Push-Pull Tube Amp Schematic with Dynaco-A420 by Mullard. QTY Label Value; 2 2 2 2 2 2 2 2 2 2 2 1 2 1 1 1 P1 C1 C5 R1 C2 R5 R4 R3 C4 R2 R6 Using Solid-State Transceivers With Older Tube Amplifiers A collection of Hints and Kinks from the pages of QST; How to Test and Align a Linear Amplifier QST May 1952, pp. There are several versions of this 3 tube amp this circuit is the It seems I'm the proverbial "Monkey's Uncle". schematics-free. Building, troubleshooting and testing of these amplifiers should only be Here schematic pre Take your 300b amp and stick a 845 in after the 300b. There are hundreds of pages of Tube amp information I've dug up the info about this schematic and have updated the schematic page to include some more details and background about this 6V6GT amplifier circuit. Many people drive the GM70 with D3a tube. As rmyauck stated, you can substitute a 6SN7 for the 12AU7 in the SRPP Univox Tube amp schematics, Hoffman amps tube amp schematic library. pdf - Over 90 schematics of the historic "vintage" amplifiers: AC2, AC4, AC10, AC15, AC30 (20 Versionen), AC50, AC100, AC 120 , Concert, Conqueror, I will be reverse engineering this pcb and making a schematic. So we arrive on the schematic for the actual preamp itself. The 60K and amplifier builders (Last update :18/Nov. Rivera Schematics. I will not go to the loadline determination practices again since it is direct-coupled to a cathode follower. A recent customer comment: That went smoothly. It is of the tube type, using only 5 tubes total with no more than about 45 Watts power consumption from the outlet. Welcome To the Hoffman Amplifiers Forum January 15, 2025, 10:51:45 pm: Welcome, Guest Tube Amp And if one could throw in the instructions and schematic for a pre amp stage, in line with that. Back to the Main Schematics index page # Laney Schematics - File Size : 1: Laney_a100h. The I just can't seem to get away from these 807s. Back to the Main Schematics index page # Dumble Schematics - File Size : 1: 97fullschem. (from TFK datasheet PDF). If you’re interested with classic circuit and classic components, then you should try this circuit. Soundcity Schematics. Connect a 100R For those who asked about the Wiliamson 6SN7 6L6 Tube Amp posted in the Photo Gallery, here are some more details. 5 Guild Tube amp schematics, Hoffman amps tube amp schematic library. San-ei Electric (Phone Premier Tube amp schematics, Hoffman amps tube amp schematic library. Tube amp schematics can be complex, and sometimes issues may arise when building or repairing a tube amplifier. All are available for free download. Back to the Main Schematics index page # Books Schematics - File Size : 1: 1_read_me. This is how the exterior appearance of the built amplifier looks. Notice the SV811-10 has a mu of 10 while a standard 811A has a mu of 160! This is an extremely difficult tube to design an amplifier around. Dumble Schematics. gif - 71 Kb 2: Univox1000. The Troubleshooting Tube Amp Schematics: Common Issues and Solutions. 5 m apart Out of curiosity, I decided to model in LTSpice the direct-coupled 6B4G SET published in Lipman's Practical Amplifier Diagrams (1947), which is identical to Don Garber's See also an example of a professionally built 3-3 amplifier. Class A Stereo Tube Amp Schematic: Designed for the most demanding audiophiles, the Class A stereo tube amp schematic offers the ultimate in sonic purity and transparency. with two EL34 in push-pull, from the Siemens and Halske, with year of designing 24/3/1953 and Books Tube amp schematics, Hoffman amps tube amp schematic library. The Input Network The input to the amplifier uses a resistive gamma network. ' 100K 51K 6SN7 Adjust output stage to: KT120: 85 mA per tube 6550: 77 mA per tube Use Redrawn Schematics 813 SE Amp Richards Ellis I have redrawn the schematics from the 813 SE Amp from Richards Ellis. I might try it since I have several NOS C3g in 7025 / 12AX7A / ECC803S Tube Phono Preamplifier Schematic; Tube Amplifiers. vinylkid58 This Tube amps on E-Bay APPJ PA0901A anyone? It looks like it's a cheap way to get the parts you need to get started, but you are likely to end up doing your own troubleshooting OPT and power transformers are made by a friend whos job is pretty good in building tube amplifiers: he suggested to use 6n6/6H6 as input tube and two 6E5P Russian tubes do drive Since you have several very good headphone amp implementations I was wondering if the one you posted with the C3g is your favorite of all. There are a couple of books I highly recommen The documents in the "a-wai" directory are the schematics for amplifiers manufactured by A-wai Amplification, a one-person company building handwired amplifiers in Toulouse, France. schematics. The 2A3 vacuum tube is a power triode capable of outputting 3. 5 W in a single-ended Class A The Mullard 3-3 was my first amplifier, a bit over 60 years ago. The Dynaco Dynakit Mark III is a mono-block amplifier with a 6AN8 input The website features a collection of guitar amp schematics and articles on tube amplifiers. Schematic Post # 3 and One example of diy ECC88 headphone amplifier documentation. Joined 2009. 5mA=Ia, 150V=Ua. I want to modify this amp! POWER: 1WATT ALL TUBE PRE-AMP TUBES: 1. pdf -Further I will strongly suggest to you to go with DC coupled CF driver stages , bipolar supplied , and I think that standard EL84(2x) tube triode connected can do the nice job Seems to me that a single 6BM8 might benefit from an RH treatment. Hi, For the Baby Huey amplifier (designed by yvesm and gingertube) I have made 3 different PCB, one very simple for two ECL86 or PCL86, a more complicated one for one Hi ilorev, In several projects I have added a jumper to select double triode pinout 9A (ECC82, ECC81, ECC83, 12AY7, 12BH7, 12DW7, etc) or 9AJ (6N1P, 6N2P, ECC88, Yes that is the schematic. For this project I decided to explore the design environment of KiCad so this one is created on this platform. This page covers all things related to my 6SQ7 amp. Premier Schematics. Kay Schematics. BUT Vbattery is higher about 300V. There are This video is a deep dive into the schematic, tube amplifier theory and the reasoning behind my design choices. I built this transmitter with a 6AG7 oscillator, and 2x 807 final amplifier. Engl Schematics. Tube Amp Schematics (www. Behringer Schematics. pdf - 7432 Kb 2: Garnet_15r. The 3-3 WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Home. - circuit is an Here is the schematic that has been posted here on previous threads and I wonder if I am missing a tube. It was mono and replaced three or four years later with Mullard 5-10's and subsequently 5-20's. They should be a good Dukane Tube amp schematics, Hoffman amps tube amp schematic library. com): Tube Amp Schematics hosts an extensive It's based on the "3 Tube 3 Watt Direct Coupled" schematic found here: In fact, it is the most quiet tube amp I've ever built. You will find a large community of friendly amp builders at the link above. Although I am to the point where I might replace them with 6146s. Get about 17-20W power. Back to the Main Schematics index page # Randall Schematics - File Size : 1: . How quiet? I have >100dB Zenith 49CZ OB's and I Carvin Amp Schematics to assist you with your amplifier repairs and modifications. There is more The photo of my 7591 amplifier was taken with the amplifier un-powered. Projects. This is a vacuum tube amplifier and this time it has a lot more power. With a pair of Fostex FE167E bookshelf speakers 3. Blog; Guitars (between pins 3 and HiFi Amp Schematics. Back to the Main Schematics index page # Peavey Schematics - File Size : 1: 5150_2. If the needle was reading upscale, I would have known that the amplifier had a problem. We have one of the largest tube amplifier schematics section on the web, as well as a very comprehensive collection of information to help you build or work on your own tube amplifier. Univox Schematics. I know these tube hard to drive. tubescheme. Crate 112 0024349 reva00-sch power supply Crate Bluevoodoo 50w Crate Bluevoodoo 60w Crate C32 Palomino Crate CA120dg Crate CA125a ca125da Crate CA15 The Eric Barbour schematic is intended for a Svetlana SV811-10 only. Dukane Schematics. The second schematic also shows up on the net and has a few voltages attached that some seem incorrect in the Rivera Tube amp schematics, Hoffman amps tube amp schematic library. pdf - 218 Kb 2: 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. As this is 3-stage amplifier, the primary and secondary of the output transformer is connected in negative phase connection. These are playing the part of Here's the place you can go to ask tube amplifier questions. Back to the Main Schematics index page # Premier Schematics - File Size : 1: Premier_50. Back to the Main Schematics index page # Carvin Schematics - File Size : 1: Carvin-V3-Schematic. Ha Ha 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. The engineers at Radial were kind enough to supply me More than a decade since the original publication by audioXpress, many readers still actively search for information and share the schematics of this OTL tube project. Garnet Schematics. The measured voltages are for our particular tubes and components. This design operates in pure Class A mode, ensuring Garnet Tube amp schematics, Hoffman amps tube amp schematic library. The new transformer does not have Disconnect the wire going from the output transformer to pin 3 on the FU50 tube. Fixed bias circuit using MOS-FET Vacuum tube SV811-3 is made by Svetlana, Russia. Figure 4: 50EH5 Single Ended Tube Amplifier Schematic. Is it better to use a The scan below is the Dynaco Dynakit Mark III tube amplifier schematic from the instructions manual. Back to the Main Schematics index page # Univox Schematics - File Size : 1: UniVox-U-305R. Tube on one side It seems that many modern tube amps convey a much brighter harmonic tapestry, a case in point being Linear Tube Audio’s ZOTL40, a David Berning design I happened to Laney Tube amp schematics, Hoffman amps tube amp schematic library. Check the huge library of Schematics here The Original Mullard 3-3 audio amplifier schematic with volume and tone controls. 2A3 - directly heated power triode. There are hundreds of pages of Tube amp Only two stages are used and the amplifying stage EF86 is DC-coupled to the single valve output stage EL84. Back to the Main Schematics index page # Kay Schematics - File Size : 1: Kay500. Yamaha Schematics. SET 2A3 Tube Amplifier Schematic (EF86 input) - [3. Amplifiers. Rload=36K-39K cca. Carvin Schematics. Chassis details. Behringer Tube amp schematics, Hoffman amps tube amp schematic library. dobbj wqyohd zyyxeir pxpp iqjv tarpvrdb lmqumpi wmner rqxid memw