NameLast modifiedSizeDescription
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 Hafler Hybrid Conversion.png2014-01-08 02:47 29K 
 Power Amplifier - 20W - Hafler & Keroes.gif2014-01-08 02:51 38K 
 Dynaco Modified Williamsom Power Amplifier.gif2014-01-16 18:43 37K 
 Dynaco ST35-Tube-Amp-Schematic.jpg2014-01-27 21:27 75K 
 Dynaco Modified Mullard Circuit.gif2014-01-27 21:27 30K 
 Dynaco Modified Williamson Tube Amplifier.gif2014-01-27 21:29 35K 
 Dynaco MkIII.jpg2014-01-27 21:31 166K 
 Dynaco PAS-2 manual.pdf2014-01-27 21:34 1.4M 
 Dynaco PAS-3X manual.pdf2014-01-27 21:34 6.1M 
 Dynaco MK3 manual.pdf2014-01-27 21:34 1.7M 
 Dynaco SCA-35 manual.pdf2014-01-27 21:34 6.5M 
 Dynaco MK6 manual.pdf2014-01-27 21:34 9.4M 
 Dynaco MK2 manual.pdf2014-01-27 21:34 3.7M 
 Dynaco Transformer Specifications.pdf2014-08-22 17:47 249K 
 New Modifications for the Dynaco SCA35 and ST-35.mht2014-11-19 18:52 447K 
 Dynaco Push-Pull EL84-6BQ5 or 6V6-6AQ5 Tube Amp Schematic.mht2015-02-13 00:21 165K 
 35W per channel Ulab1 Modified ST70.gif2015-03-16 19:36 28K 
 Triode Electronics-Dynaco Upgrades.mht2015-03-16 19:39 69K 
 Dynaco Mk3 Replacement PCB Instructions.pdf2015-03-16 19:41 3.8M 
 Dynakit & Acrosound.mht2015-03-16 19:57 1.0M 
 DynacoMarkIIImod-s.jpg2015-03-16 20:45 99K 
 Differences between the original ST-70 and my VTA ST-70 .mht2015-03-16 22:32 719K 
 DynaMutt-II.png2015-03-16 22:47 38K 
 Dynaco 120W PCB Question.mht2015-03-16 23:09 1.2M 
 Dynaco Company History.mht2015-03-27 18:40 25K 
 Dynaco Products and Modification Overview.mht2015-04-02 23:21 34K 
 Acro Williamson Amp.gif2015-04-08 16:40 33K 
 Ultra Linear Amplifier - Hafler and Keroes.mht2015-04-08 16:53 24K 
 Acrosound TO-290 Power Amplifier .gif2015-04-08 17:32 102K 
 Acrosound WILLIAMSON AMPLIFIERS .mht2015-04-08 18:50 1.3M 
 AVA - Ultimate 70 Vacuum Tube Amplifier.mht2015-04-10 22:04 342K 
 AVA - Our Famous Original Dyna St-70 Rebuild Plans.mht2015-04-10 22:05 405K 
 Hafler-Keroes 6L6 UL - diyAudio.mht2015-04-14 17:26 588K 
 Ultra Linear Hafler & Keroes.pdf2015-04-14 17:28 172K 
 Acrosound-st-20-DC-coupled.png2015-04-14 17:28 73K 
 Acrosound 6L6 Rebuild.pdf2015-04-14 17:28 37K 
 Hafler & Keroes Ultra Linear 1951 Power Amplifier.jpg2015-04-14 17:52 58K 
 Acrosound-Ultra Linear-II-Power Amplifier,EL34.jpg2015-04-14 18:28 371K 
 Acrosound Archive.mht2015-04-14 18:44 1.1M 
 Learn and talk about David Hafler, American audio engineers.mht2015-04-14 18:45 740K 
 Acrosound 6-50 Class A PP Monoblocke.mht2015-04-14 18:54 629K 
 Acro Sound UL-II.jpg2015-04-21 17:14 371K 
 Acrosound ST20 20-20 Power Amplifier.png2015-04-21 18:14 73K 
 Ultra Linear Patent Drawings by David Hafler.png2015-04-21 18:16 167K 
 PAS-3series2.jpg2015-06-01 16:04 323K 
 Differences between the Dynaco PAS-2, PAS-3 and PAS-3X preamps.mht2015-10-01 23:01 418K 
 Dynaco PAS-3X Manual - Stereo Preamplifier - HiFi Engine.mht2015-10-01 23:02 538K 
 Dynaco PAS-3 RIAA phono equalization upgrade.mht2015-10-01 23:09 659K 
 Improving the Dynaco SCA-35 & ST-35.pdf2015-10-07 22:17 1.3M 
 Article Installation of the EFB(tm) Bias Circuit in a Dynaco ST-35.mht2015-10-07 22:20 910K 
 Theory and Operation of the Ultralinear Circuit.pdf2017-09-18 22:18 249K 
 Quick troubleshooting guide for Dynaco tube amps.pdf2018-02-15 05:08 112K 
 ST70 Stuff/2021-07-16 03:22 -