Index of /files/Audio/Circuits/Power Amplifiers/Tube/Dynaco-Hafler/
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Dynaco ST-70 Series 2/ 11-Oct-2024 02:24 -
Dynaco ST-70 Series 3/ 21-Aug-2024 02:49 -
Dynaco ST-70 Upgrades, Modifications & Construc..> 07-Nov-2024 04:22 -
ST70 Stuff/ 18-Jul-2025 04:56 -
120W PCB Question.mht 16-Mar-2015 22:09 1M
3 tube drive for ST70 using in production tube.gif 13-Mar-2015 23:00 31K
6316287609_26611f6440_z.jpg 01-Jun-2015 15:58 198K
6316593826_519cb9ef60_b.jpg 01-Jun-2015 16:06 415K
6319709595_d6debae7dd_b.jpg 01-Jun-2015 16:07 312K
6319729045_a5918e2e12_z.jpg 01-Jun-2015 15:58 205K
6l6.gif 08-Apr-2015 17:05 27K
AVA Hifi UltraValve.mht 10-Apr-2015 22:06 469K
Acrosound 6-50 Class A PP Monobloecke, von Joch..> 14-Apr-2015 17:54 629K
Acrosound Ampp abt 20WEL84 Amp.jpg 01-Oct-2015 18:53 61K
Article Installation of the EFB(tm) Bias Circui..> 01-Nov-2022 12:43 910K
AudioXpress Article-Fraser-V2 2017-05.pdf 28-Mar-2017 20:54 4M
DESIGN FOR A HIGH-QUALITY AMPLIFIER - Williamso..> 21-Jun-2025 22:57 238K
Differences between the Dynaco PAS-2, PAS-3 and..> 01-Nov-2022 12:43 418K
Differences between the original ST-70 and my V..> 16-Mar-2015 21:32 719K
DynaMutt-II.png 16-Mar-2015 21:47 38K
DynaMutt_octal.pdf 16-Mar-2015 22:20 604K
Dynaco Classic Circuit.gif 27-Jan-2014 21:29 27K
Dynaco Company History.mht 27-Mar-2015 17:40 25K
Dynaco Mk3 Replacement PCB Instructions.pdf 16-Mar-2015 18:41 4M
Dynaco PAS-3 RIAA phono equalization upgrade.mht 01-Nov-2022 12:43 659K
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 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 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 Transformer Specifications.pdf 01-Nov-2022 12:43 249K
Dynakit & Acrosound.mht 16-Mar-2015 18:57 1M
Hafler & Keroes Ultra Linear 1951 Power Amplifi..> 01-Nov-2022 12:43 58K
Hafler Hybrid Conversion.png 01-Nov-2022 12:43 29K
Hafler Kereos Amplifier 1951.jpg 14-Apr-2015 16:52 50K
Hafler-Keroes 6L6 UL - diyAudio.mht 14-Apr-2015 16:26 588K
How good can an ST-70 be made.mht 16-Mar-2015 21:10 747K
Improving the Dynaco SCA-35 & ST-35.pdf 07-Oct-2015 22:17 1M
Learn and talk about David Hafler, American aud..> 14-Apr-2015 17:45 740K
New Modifications for the Dynaco SCA35 and ST-3..> 01-Nov-2022 12:43 447K
Our Famous Original Dyna St-70 Rebuild Plans By..> 10-Apr-2015 22:01 587K
Our Famous Original Dyna St-70 Rebuild Plans_ph..> 12-Nov-2014 21:38 404K
Power Amplifier - 20W - Hafler & Keroes.gif 01-Nov-2022 12:43 38K
Quick troubleshooting guide for Dynaco tube amp..> 01-Nov-2022 12:43 112K
ST-70 Clone PCB with power tubes on PCB.jpg 01-Jun-2015 16:04 15K
ST-70 series 2 pcb.jpg 12-Feb-2015 21:05 15K
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 with 12AU7-EF86 driver.gif 16-Mar-2015 18:36 31K
Stereo 70 Restore Manual-R0.pdf 09-Nov-2016 23:54 539K
Theory and Operation of the Ultralinear Circuit..> 18-Sep-2017 21:18 249K
Thread ST70 series I vs series II AudioKarma_o..> 06-Apr-2015 17:01 448K
Triode Electronics 6AU6 driver board for Stereo..> 16-Mar-2015 22:17 198K
Triode Electronics-Dynaco Upgrades.mht 16-Mar-2015 18:39 69K
Triple 12AU7 driver stage.gif 16-Mar-2015 18:36 31K
Ultra Linear Hafler & Keroes.pdf 14-Apr-2015 16:28 172K
Ultra Linear Patent Drawings.jpg 21-Apr-2015 17:16 279K
Ultra Linear.png 21-Apr-2015 17:16 167K
Understanding circuit in my Dynaco MKIII's - Pa..> 16-Mar-2015 22:15 2M
acrowill_3.gif 08-Apr-2015 17:32 102K
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
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 - VTA upgrade board.mht 16-Mar-2015 22:16 434K
dynaco-st-70-chassis-st70-cutout.png 01-Jun-2015 16:35 8133
shannon%20outputs.jpg 01-Jun-2015 16:37 100K
st-70-mic pre-project.pdf 11-Feb-2015 19:37 93K
st70_welborne_mods.jpg 01-Jun-2015 15:58 149K
steele 70 MK2.gif 13-Nov-2014 18:13 26K