Index of /files/Audio/Circuits/Power Amplifiers/Tube/Tube Amplfier Research/
../
Triode Operation of Power Tubes_files/ 18-Jul-2025 04:58 -
100 amplifiers – part 1, 1916 -1954_ Lilient..> 14-Apr-2015 17:18 96M
100 amplifiers…_part 2, 1955-82 Lilienthal E..> 14-Apr-2015 17:35 51M
120W 6550Amplifier-1.jpg 16-Mar-2015 21:47 81K
120W PCB Question.mht 16-Mar-2015 22:09 1M
12SL7-KT88-Push-Pull-Tube-Amp-.png 08-Apr-2015 16:37 20K
25V UTC Recommented Amp Circuit.gif 08-Apr-2015 17:29 48K
35V UTC Recommented Amp Circuit.gif 08-Apr-2015 17:29 50K
50V UTC Recommented Amp Circuit.gif 08-Apr-2015 17:29 43K
50W Ch Amp-EL34_UL-B.mht 14-Mar-2016 22:37 46K
50W EL34 Ultra Linear Amplifier.mht 14-Mar-2016 22:30 64K
50W-Ch Amp-EL34_UL-A.mht 14-Mar-2016 22:31 118K
6CA7 Power Amplifier using 12AT7 drive tubes.gif 08-Apr-2015 16:47 30K
7199 RCA Application Notes.mht 16-Mar-2015 17:07 85K
A new distortion measurement.pdf 14-Apr-2015 16:46 311K
AVA Hifi UltraValve.mht 10-Apr-2015 22:06 469K
AVA UntraValve reviews - No Schematic.zip 17-Oct-2024 03:48 2M
Acro Sound 20-20.png 21-Apr-2015 17:14 73K
Acro Sound UL-II.png 21-Apr-2015 17:14 398K
Acro amplifier with 6L6 Output.mht 14-Apr-2015 17:49 225K
Acrosound 6-50 Class A PP Monobloecke, von Joch..> 14-Apr-2015 17:54 629K
Acrosound 6L6 Rebuild.pdf 14-Apr-2015 16:28 37K
Acrosound Archive.mht 14-Apr-2015 17:43 1M
Acrosound ST-20 DC-coupled 20-20W Amp.jpg 14-Apr-2015 17:28 206K
Acrosound-Ultra Linear-II-EL34-PP-ed.png 14-Apr-2015 17:28 428K
Aikido Split-Load Phase Splitter & Headphone Am..> 08-Apr-2015 18:47 812K
Ampeg D-12-NF Amplifier.gif 07-Aug-2013 17:12 22K
Amplifiers-and-Superlatives.pdf 21-Apr-2015 17:33 118K
Audio amplifier push pull output stage_.mht 14-Mar-2016 22:17 209K
Bogen DO30A.jpg 21-Apr-2015 17:18 545K
Bogen DO30A.png 21-Apr-2015 17:18 1M
Caculator for Cathode Coupled Amplifiers.mht 14-Apr-2015 18:00 251K
Calculator for Triode Amplifiers with un-bypass..> 14-Apr-2015 18:01 206K
Calculator for Triode Cascode Amplifiers.mht 14-Apr-2015 18:01 201K
Cathode Coupled Amplifier Calculator ~.mht 14-Apr-2015 18:00 251K
Cathode Driver Power Amp.jpg 04-May-2015 23:13 169K
Choosing and Using Vacuum Tubes.pdf 07-Oct-2015 22:13 1M
Circlotron Amplifier_.mht 14-Mar-2016 22:34 186K
Circular Amplifiers -Part 4.mht 08-Apr-2015 18:47 37K
Class A Push Pull Ultra Linear Power Amp12SL7-K..> 08-Apr-2015 16:37 70K
Contest Winning Amplifier_.mht 14-Mar-2016 22:30 155K
DIY 6DJ8 (ECC88) Tube Hi-Fi Headphone Amplifier..> 16-Mar-2015 18:54 377K
David Hafler, American audio engineer Short Bio..> 14-Apr-2015 17:45 740K
Design Considerations - 2.mht 10-Apr-2015 22:21 554K
Design Considerations.mht 10-Apr-2015 22:19 559K
Designing and Building Audio Amplifiers - Build..> 14-Mar-2016 22:30 64K
Designing and Building Audio Amplifiers - Desig..> 14-Mar-2016 22:15 32K
Differences between the original ST-70 and my V..> 16-Mar-2015 21:32 719K
DynaMutt ST-70 Driver Board Noval Versionl.pdf 16-Mar-2015 22:20 600K
DynaMutt ST-70 Driver Board Octal Version.pdf 16-Mar-2015 22:20 604K
DynaMutt-II ST-70 Driver Board.png 16-Mar-2015 21:47 38K
Dynaco Classic Circuit.gif 27-Jan-2014 21:29 27K
Dynaco Company History.mht 27-Mar-2015 17:40 25K
Dynaco Mark III Update.mht 16-Mar-2015 22:09 1M
Dynaco Products and Modification Overview.mht 02-Apr-2015 22:21 34K
Dynaco Push-Pull EL84-6BQ5 or 6V6-6AQ5 Tube Amp..> 12-Feb-2015 23:21 165K
Dynaco ST-70 FS - diyAudio.mht 12-Apr-2016 16:02 8M
Dynaco ST-70 Modifications 2.mht 16-Mar-2015 22:21 434K
Dynaco ST-70 Modifications with 12AU7.mht 16-Mar-2015 22:24 434K
Dynaco ST-70 Modifications.mht 12-Feb-2015 21:13 434K
Dynaco ST-70 Re-Emgineering.mht 13-Mar-2015 22:57 224K
Dynaco ST-70 chassis PCB cutout drawing.png 01-Jun-2015 16:35 8133
Dynaco ST-70 version 6GH8.mht 12-Feb-2015 22:53 285K
Dynaco ST70 Power Amp Troubleshooting.mht 11-Feb-2015 19:34 30K
Dynaco ST70 Restoration Manual.pdf 27-Jan-2014 21:32 539K
Dynaco ST70-Tube-Amp-Schematic 2.png 27-Jan-2014 21:30 20K
Dynaco ST70.gif 27-Jan-2014 21:28 27K
Dynaco ST70.pdf 27-Jan-2014 21:35 4M
Dynaco Series 70 Series 2 Pictures (1).jpg 01-Jun-2015 15:58 205K
Dynaco Series 70 Series 2 Pictures (2).jpg 01-Jun-2015 15:58 198K
Dynaco Series 70 Series 2 Pictures (3).jpg 01-Jun-2015 16:06 415K
Dynaco Series 70 Series 2 Pictures (4).jpg 01-Jun-2015 16:07 312K
Dynakit & Acrosound - Not in English.mht 16-Mar-2015 18:57 1M
Frederick Britton Llewellyn - Noise in Vacuum T..> 14-Apr-2015 17:52 960K
Futterman Trnsformerless Tube Power Amp with Au..> 07-Oct-2015 22:33 60K
Hashimoto KT88 Power Aplifier.jpg 16-Mar-2015 18:36 144K
Heater wiring - the Good the Bad and the Ugly -..> 27-Apr-2016 16:50 1M
How good can an ST-70 be made.mht 16-Mar-2015 21:10 747K
JE Labs PP2A3 P0wer Amp.gif 16-Mar-2015 18:36 67K
MOSFET Follies - letting the Solid State Demon ..> 06-Mar-2014 16:54 148K
OPTIMISED ELECTRON STREAM © TECHNOLOGY.mht 21-Apr-2015 21:19 3M
OTL Tube Headphone Amplifier.jpg 08-Apr-2015 18:30 40K
Optimized ultra-linear.mht 14-Apr-2015 16:35 2M
Other Triode Pages - TONS OF TUBE INFO.mht 11-Feb-2015 19:40 183K
Our Famous Original Dyna St-70 Rebuild Plans By..> 10-Apr-2015 22:01 587K
PAIA 9305 Tubehead Manual.pdf 31-Jul-2008 06:05 314K
Pentode to Triode Operation - diyAudio.mht 21-Apr-2015 21:13 577K
Phase Inverter - Most Important Tube In Your Am..> 10-Nov-2016 00:04 109K
Phase inverters, Phase Splitters and Drivers_.mht 14-Mar-2016 22:17 166K
Phase-Splitting in Push-Pull Amplifiers WW 1939..> 14-Apr-2015 16:49 2M
Power Amplifier,120W,6550 - Brown Audio.jpg 16-Mar-2015 21:47 81K
Power Amplifier,Class A,12SL7-KT88.png 08-Apr-2015 16:37 20K
Preamp Tube Gain Factors And Substitution Chart..> 21-Apr-2015 16:53 1M
Quicksilver Audio Amp 1300.pdf 07-Oct-2015 23:11 27K
Rca 15w Audio Power Amplifier.gif 02-Mar-2001 04:14 85K
Replacement tube for 7199 in old Ampegs.mht 30-Mar-2015 17:59 218K
Run your Dynaco ST-70, Mark II, Mark III or Mar..> 16-Mar-2015 21:08 837K
ST-70 1999 Update Full Schematic.jpg 16-Mar-2015 18:36 175K
ST-70 Board Artwork.zip 16-Mar-2015 22:23 933K
ST-70 Clone PCB with power tubes on PCB.jpg 01-Jun-2015 16:04 15K
ST-70 Clone.jpg 01-Jun-2015 15:58 149K
ST-70 Updated 2014-05.jpg 13-Mar-2015 22:56 171K
ST-70 series 2 pcb.jpg 12-Feb-2015 21:05 15K
ST-70 with Triple 12AT7 driver board.jpg 13-Mar-2015 23:09 118K
ST70 - Dynaco ST-70 PC-3 driver board parts lay..> 16-Mar-2015 21:44 1M
ST70 Series 2 Modified Front view.jpg 01-Jun-2015 16:07 312K
ST70 Series 2 Modified.jpg 01-Jun-2015 16:06 415K
ST70 page.mht 16-Mar-2015 21:46 5M
ST70R modified.pdf 12-Feb-2015 21:16 17K
Shannon ST-70 Driver Board.jpg 01-Jun-2015 16:37 93K
Shannon ST-70 Output Stages.jpg 01-Jun-2015 16:37 100K
Shannon ST-70 Power Supply.jpg 01-Jun-2015 16:37 88K
Star Grounding in Tube Amplifiers.mht 06-Mar-2014 19:31 100K
Stereo 70 driver Board using 12AU7-12AX7.pdf 16-Mar-2015 22:27 340K
Stu Rubin's 10w Tube Amp Circuit.jpg 01-Apr-2002 09:20 81K
The Amp Garage View topic - best replacement t..> 30-Mar-2015 17:59 218K
The Sound of Rectifier - Tube Maze.mht 21-Apr-2015 16:35 357K
The Tube CAD Journal of tube audio circuits, Oc..> 08-Apr-2015 16:53 24K
The Tube CAD Journal, August 1999 pg 1.mht 08-Apr-2015 18:53 43K
The Tube CAD Journal, Electrostatic Headphones ..> 08-Apr-2015 16:53 25K
The Tube CAD Journal, Electrostatic Headphones ..> 08-Apr-2015 18:53 65K
The Tube CAD Journal, Electrostatic Headphones ..> 08-Apr-2015 16:53 39K
The Tube CAD Journal, Electrostatic Headphones ..> 08-Apr-2015 16:54 107K
The Tube CAD Journal, Electrostatic Headphones ..> 08-Apr-2015 16:55 35K
The Tube CAD Journal, Electrostatic Headphones ..> 08-Apr-2015 16:55 33K
The Tube CAD Journal, Electrostatic Headphones ..> 08-Apr-2015 16:55 25K
The Tube CAD Journal, Electrostatic Headphones.mht 08-Apr-2015 18:46 40K
The Tube CAD Journal, Heater Concerns.mht 08-Apr-2015 18:38 38K
The Tube CAD Journal, High frequency anomalies ..> 08-Apr-2015 18:29 38K
The Tube CAD Journal, Totem-Pole Output Stage.mht 08-Apr-2015 18:28 26K
The Tube CAD Journal,SRPP Decoded.mht 08-Apr-2015 18:38 47K
The Tube CAD Journal,Ultra-Linear Output Stages..> 08-Apr-2015 18:45 41K
The Tube CAD Journal,Voltage References.mht 08-Apr-2015 18:53 40K
The Tube CAD Journal,more tube hybrid circuits.mht 08-Apr-2015 18:36 48K
The Williamson Amplifier.pdf 14-Apr-2015 16:51 3M
This is a schematic for the VTA ST-70 - 3 x 12A..> 13-Mar-2015 23:09 291K
Thread ST70 series I vs series II AudioKarma_o..> 06-Apr-2015 17:01 448K
Transistor driver for valve amplifiers.pdf 14-Apr-2015 17:52 1M
Triode Cascode Amplifier Calculator ~.mht 14-Apr-2015 18:01 201K
Triode Electronics-Dynaco Upgrades.mht 16-Mar-2015 18:39 69K
Triode Operation of Power Tubes.htm 21-Apr-2015 21:14 24K
Triode USA - Other Triode Pages - TONS OF TUBE ..> 11-Feb-2015 19:40 183K
Triode power amplifier_.mht 14-Mar-2016 22:27 65K
Triple 12AU7 driver stage.gif 16-Mar-2015 18:36 31K
Triple 12AU7 driver stage.jpg 16-Mar-2015 18:36 216K
Tube Amplifier Circuit Board Plitron.mht 08-Apr-2015 16:49 534K
Tube Amplifier Crackling Noises - What to Look ..> 21-Apr-2015 16:47 1M
Tube CAD Journal Mixing Solid State Devices & H..> 08-Apr-2015 18:45 41K
Tube Comparison.xlsx 16-Mar-2015 22:37 8731
Tube Substitution for EL34.mht 21-Apr-2015 21:13 20K
Tube-MOSFET hybrid OTL PP V-to-I Amplifier Larg..> 05-Nov-2013 21:23 50K
Tubes versus Transistors.pdf 11-Feb-2015 19:36 1M
Two More OCRed Classic Articles & Push-Pull Sli..> 08-Apr-2015 18:48 1M
ULTRA-LINEAR Amplifiers.mht 14-Apr-2015 16:36 1M
Ultra Linear Amp - 1951 - Hafler & Keroes.pdf 14-Apr-2015 16:28 172K
Ultra Linear Hafler & Keroes.pdf 14-Apr-2015 16:28 172K
Ultra Linear Output Transformers.pdf 14-Apr-2015 16:42 1009K
Ultra Linear.png 21-Apr-2015 17:16 167K
Ultra-Linear - Page 3 - UK Vintage Radio Repair..> 14-Apr-2015 17:32 330K
Ultra-Linear Output Stages.mht 14-Apr-2015 16:37 54K
Ultravalve.mht 10-Apr-2015 22:05 1M
Understanding circuit in my Dynaco MKIII's - Pa..> 16-Mar-2015 22:15 2M
Untralinear Trans Amplifier.jpg 08-Apr-2015 17:32 103K
Using the 6U8A to replace the 7199.pdf 16-Mar-2015 16:44 24K
VTA Upgrade Board.mht 16-Mar-2015 22:16 434K
VTA trying to reel in the beast - AudioKarma_or..> 16-Mar-2015 22:25 2M
VTA70 driver PCB upgrade.mht 12-Feb-2015 23:21 5M
Valve Amplifier Design Considerations - Part 1.mht 10-Apr-2015 22:19 559K
Valve Amplifier Design Considerations - Part 2 ..> 10-Apr-2015 22:21 554K
Valve Amplifier Design Considerations - Part 2.mht 10-Apr-2015 22:21 554K
Valve Technology.mht 14-Apr-2015 16:48 2M
Valves - Myths.mht 10-Apr-2015 22:24 419K
Valves Index.mht 10-Apr-2015 22:16 82K
Valves Vs Transistors —.mht 14-Apr-2015 17:56 319K
Valves versus Transistors WW 1978-07.pdf 14-Apr-2015 16:31 218K
Valves versus Transistors.pdf 14-Apr-2015 16:31 218K
Valves vs_ Transistors (Part II 2009).mht 10-Apr-2015 22:16 439K
Valves vs_ Transistors (Part II 2012).mht 10-Apr-2015 22:10 366K
Valves vs_ Transistors (Part II).mht 10-Apr-2015 22:10 366K
Very Basic Balanced Shunt Feedback.mht 08-Apr-2015 17:04 533K
Wardsweb Dynaco ST-70 Project.mht 12-Apr-2016 16:03 974K
What Is Ultra-Linear.mht 10-Apr-2015 22:10 305K
What's all this Trapped Charge and Dielectric C..> 14-Apr-2015 17:56 833K
Williamson Clone Amp 1999 with Cathodyne Phase ..> 16-Mar-2015 18:36 28K
Williamson Style Amp with 6SN7 Driver Board.jpg 16-Mar-2015 21:47 154K
Williamson WW 1949.pdf 14-Apr-2015 16:42 563K
Williamson amplifier 1949.pdf 14-Apr-2015 16:28 108K
Willianson similar with Differential Phase spli..> 13-Mar-2015 22:56 30K
audiofilofine field coil speakers old amplifier..> 14-Apr-2015 16:54 5M
avahifi - Our Famous Original Dyna St-70 Rebuil..> 10-Apr-2015 21:05 405K
avahifi - Ultimate 70 Vacuum Tube Amplifier_php..> 10-Apr-2015 21:03 342K
avahifi - Ultravalve Amplifier_php.mht 10-Apr-2015 22:05 2M
dixey76.jpg 08-Apr-2015 17:05 208K
diytube_com • View topic - 12BH7 optimization..> 16-Mar-2015 17:17 227K
diytube_com • View topic - Beefing up a ST70.mht 16-Mar-2015 17:18 4M
diytube_com • View topic - ST-70 Power Supply..> 16-Mar-2015 17:20 195K
diytube_com • View topic - ST-70 with 12AT7.mht 16-Mar-2015 21:15 348K
diytube_com • View topic - ST70 Tube Alternat..> 16-Mar-2015 17:15 364K
diytube_com • View topic - Triode Electronics..> 16-Mar-2015 22:17 198K
diytube_com • View topic - VTA upgrade board.mht 16-Mar-2015 22:16 434K
st-70-mic pre-project.pdf 11-Feb-2015 19:37 93K
steele 70 MK2.gif 13-Nov-2014 18:13 26K
ultralinear-trans-amp.gif 08-Apr-2015 17:32 26K