The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Dynaco VTA tube amp kits, all Tubes4hifi.com products and all Dynakitparts.com products


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No new posts  Announcement:  PAS3 preamp upgrades & modifications 1tubes4hifi6455View latest post on Fri Jun 30, 2017 12:43 am
by erhard-audio
No new posts   pas2/3 transformer 3howardnair2716View latest post on Thu Jun 17, 2010 12:08 pm
by PeterCapo
No new posts   A little different 0scsidude2803View latest post on Tue Jun 15, 2010 9:13 pm
by scsidude2
No new posts   Splitting cathode resistors in Dynaco tube amps 0GP492615View latest post on Tue Jun 15, 2010 1:01 am
by GP49
No new posts   Replacing Selector Switch on PAS 3 2jerdobi3056View latest post on Mon Jun 14, 2010 12:14 pm
by GP49
No new posts   PRE-AMP HUM 4RMG1610View latest post on Sun Jun 13, 2010 2:40 pm
by RMG
No new posts   Effects of increased Capacitor voltage 4scsidude21918View latest post on Sat Jun 12, 2010 3:47 pm
by Bob Latino
No new posts   sds cap board st 70 mod 2Dave1619View latest post on Tue Jun 08, 2010 9:23 pm
by Dave
No new posts   Switching the triode-pentode switches while the amp is running 1RockyAM2619View latest post on Sun Jun 06, 2010 12:49 pm
by Bob Latino
No new posts   Best place to buy new KT66's? 9xlr87603View latest post on Sun Jun 06, 2010 7:40 am
by kevco
No new posts   Tung Sol KT-120 's 1baddog19462698View latest post on Fri Jun 04, 2010 5:03 pm
by Bob Latino
No new posts   Choke C-354 in Dynaco ST-70? 0ViperZ9007View latest post on Thu Jun 03, 2010 4:50 pm
by ViperZ
No new posts   great tube deal on Tung Sol KT-120 7baddog19462705View latest post on Thu Jun 03, 2010 4:23 pm
by RichJB603
No new posts   GZ37 in st70? 6Corona2948View latest post on Thu Jun 03, 2010 12:35 am
by Corona
No new posts   Dynaco PAS Pictorial Diagram 1jerdobi2094View latest post on Mon May 31, 2010 12:27 pm
by Bob Latino
No new posts   Low Gain Humm With My st70 & jolida envoy preamp 2Carl1520View latest post on Fri May 28, 2010 4:17 pm
by Carl
No new posts   advice on tubes for Mark IV 1tubenewb893View latest post on Thu May 27, 2010 7:07 am
by Bob Latino
No new posts   Tube Rolling with the ST120 4Reid3167View latest post on Tue May 25, 2010 12:38 pm
by GP49
No new posts   new mark 3 boards. 2natoe1315View latest post on Sun May 23, 2010 5:02 pm
by Sal
No new posts   SP6-PAS3-Z Kit 6fromans42517View latest post on Sun May 23, 2010 5:28 am
by fromans4
No new posts   Tube amp frauds on Ebay 4kevco2706View latest post on Wed May 19, 2010 3:28 pm
by avi.inc
No new posts   mark 3 questions 4natoe5197View latest post on Wed May 19, 2010 11:32 am
by tubes4hifi
No new posts   The Old A-470's cloth lead vs. new production outputs ... 7wolverine5195View latest post on Tue May 18, 2010 6:30 pm
by viridian
No new posts   tung sol KT120 2baddog19462351View latest post on Mon May 17, 2010 9:28 pm
by baddog1946
No new posts   PAS 3 Phono board question 1willemakeit991View latest post on Sun May 16, 2010 11:09 pm
by Bob Latino
No new posts   ST-70 test voltages need diagnosis 1Aljaheejus907View latest post on Sun May 16, 2010 6:39 pm
by Bob Latino
No new posts   ST-70 channel cutting out 10Aljaheejus2060View latest post on Sun May 16, 2010 4:04 pm
by Bob Latino
No new posts   Cap upgrades on VTA boards 16Brent704235View latest post on Sat May 15, 2010 2:53 pm
by Bob Latino
No new posts   thermistor? 1natoe2775View latest post on Wed May 12, 2010 3:25 pm
by Luddite
No new posts   Weird KT66 problems... 3Corona2233View latest post on Tue May 11, 2010 8:56 pm
by avi.inc
No new posts   Is anyone using fast recovery diodes in a VTA 70 or PAS? 2viridian3047View latest post on Sat May 08, 2010 11:34 am
by viridian
No new posts   Newbie question about upgrading a PAS 3 line amplifer only. 1Guest1612View latest post on Sat May 08, 2010 9:40 am
by Bob Latino
No new posts   st-70 balance bias control kit 2natoe1824View latest post on Thu May 06, 2010 8:57 pm
by natoe
No new posts   lowering gain on hi-gain VTA 2LEVLHED1243View latest post on Wed May 05, 2010 3:27 pm
by LEVLHED
No new posts   High gain or low gain version of ST-70 board, guidance needed. 5viridian1601View latest post on Sun May 02, 2010 1:01 pm
by viridian
No new posts   k40-y caps 1kost1688View latest post on Sun May 02, 2010 7:24 am
by Bob Latino
No new posts   clone with one side not right 9natoe1089View latest post on Fri Apr 30, 2010 7:50 am
by wolverine
No new posts   VTA driver board - resistors over-heating? 13dyna701904View latest post on Tue Apr 27, 2010 11:10 am
by dyna70
No new posts   help with older sds cap board 2natoe830View latest post on Sun Apr 25, 2010 9:45 am
by natoe
No new posts   Do I need to add a DC blocking cap to VTAs input? 8dyna702375View latest post on Sat Apr 24, 2010 11:15 am
by dyna70
No new posts   Installing 12v amp trigger 1scsidude21875View latest post on Fri Apr 23, 2010 12:41 pm
by scsidude2
No new posts   st35 restoration, again! 5brianbrian1555View latest post on Thu Apr 22, 2010 11:00 am
by GP49
No new posts   Exploding bias supply cap (C17) on VTA board... 5dyna702816View latest post on Tue Apr 20, 2010 7:43 am
by dyna70
No new posts   Pas 3 caps 4JNTIT1172View latest post on Mon Apr 19, 2010 3:46 pm
by Bob Latino
No new posts   OPPO BDP-83 Special Edition 2Reid1795View latest post on Sat Apr 17, 2010 12:18 am
by GP49
No new posts   Sweet ST-70 mod 1baddog19461386View latest post on Thu Apr 15, 2010 9:30 am
by wolverine
No new posts   Gooey Chokes 3scsidude2894View latest post on Mon Apr 12, 2010 11:46 pm
by PeterCapo
No new posts   Question for Bob 2hfh1407View latest post on Mon Apr 12, 2010 1:47 pm
by hfh
No new posts   vta70 kt77 1kost1329View latest post on Mon Apr 12, 2010 10:19 am
by Bob Latino
No new posts   Self Intro 3kimla4040View latest post on Sun Apr 11, 2010 11:37 pm
by kimla
No new posts   Pas 3 Bass 2JNTIT1038View latest post on Sun Apr 11, 2010 6:45 pm
by JNTIT
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