The Dynaco Tube Audio Forum

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


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No new posts  Announcement:  dual rectifiers for ST120 & ST70 amps 1, 230Roy Mottram4100View latest post Sat Dec 02, 2023 6:27 pm
by GAflubug
No new posts  Announcement:  Tubes IN STOCK - Tung-Sol, Gold Lion, Electro-Harmonix, Svetlana, Sovtek, JJ 2Dan W856View latest post Thu Sep 07, 2023 9:00 pm
by Dan W
No new posts  Announcement:  blown tubes 0Roy Mottram1367View latest post Thu Jun 08, 2023 7:51 pm
by Roy Mottram
No new posts   Speaker Output Impedance question 12Dogstar994View latest post Mon Mar 12, 2018 7:07 am
by Dogstar
No new posts   Norman Koren Spiced PAS schematics difference. 1starwatcher903View latest post Fri Mar 09, 2018 12:12 pm
by WLT
No new posts   My new custom SP14 build..... 6audiobill1345View latest post Tue Mar 06, 2018 11:16 pm
by Fitero
No new posts   SP14 Favorite Tubes and Tube Combinations 12jfine2036View latest post Tue Mar 06, 2018 1:16 pm
by Roy Mottram
No new posts   ST-70 and bridged center channel? 1jehovaswettness582View latest post Mon Mar 05, 2018 1:36 pm
by daveshel
No new posts   Speakers for the Harmon Kardon A300? 6Dave_in_Va966View latest post Mon Mar 05, 2018 10:56 am
by Peter W.
No new posts   ST70 Back to Life 12Drugolf1870View latest post Sun Mar 04, 2018 12:10 pm
by Drugolf
No new posts   Dynaco MkIII restored, KT120 in it? 1, 226Dynaco_wjw4603View latest post Sun Mar 04, 2018 7:40 am
by Dynaco_wjw
No new posts   ST120 Blown Bias Resistor  2Kramer1043View latest post Fri Mar 02, 2018 10:45 pm
by Kramer
No new posts   Low Bias for Dynaco ST-70 11BNR_11391View latest post Fri Mar 02, 2018 6:24 pm
by BNR_1
No new posts   Genalex KT-88 Gold Lion? 2Guest1178View latest post Thu Mar 01, 2018 7:18 pm
by Jim McShane
No new posts  [ Poll ]  Tube Testers 2Peter W.972View latest post Thu Mar 01, 2018 2:03 pm
by Peter W.
No new posts   Checking filament voltage VTA ST120 3eickmewg682View latest post Thu Mar 01, 2018 12:35 pm
by eickmewg
No new posts   Best PAS 3 upgrade boards over original ones. 0starwatcher669View latest post Wed Feb 28, 2018 4:30 am
by starwatcher
No new posts   Lost ground on phono stage of PAS 3 5starwatcher1187View latest post Wed Feb 28, 2018 4:03 am
by starwatcher
No new posts   Driver board comparison? 3kevinmi868View latest post Wed Feb 28, 2018 12:55 am
by sKiZo
No new posts   Bias question single tube drifting  4Guest824View latest post Tue Feb 27, 2018 2:18 pm
by Guest
No new posts   SP-14 to Class D amplifier 5Fitero729View latest post Fri Feb 23, 2018 8:30 pm
by Fitero
No new posts   Buying Tubes? 20Guest1364View latest post Fri Feb 23, 2018 4:33 pm
by Roy
No new posts   Shout out to Tube Depot! 3Tube Nube1672View latest post Fri Feb 23, 2018 1:53 am
by Dogstar
No new posts   Tubes and the ST-120? 11Guest1482View latest post Thu Feb 22, 2018 2:55 pm
by kevinmi
No new posts   New-to-Me FM3 5Peter W.752View latest post Tue Feb 20, 2018 11:19 pm
by setu
No new posts   Tube options for MKIII 3snav1172View latest post Tue Feb 20, 2018 3:16 pm
by MikeyV
No new posts   M125 Resistor Rolling 10Denizen1352View latest post Mon Feb 19, 2018 6:53 pm
by Peter W.
No new posts   SP-14 new build 9audiobill1335View latest post Mon Feb 19, 2018 8:42 am
by Denizen
No new posts   PAS 2 Resurrection issues.... ideas? 11boeingpilot1272View latest post Sat Feb 17, 2018 1:33 pm
by cci1492
No new posts   A wild idea, a victory lap, need your help with a book 1, 228deepee991762View latest post Thu Feb 15, 2018 9:34 pm
by deepee99
No new posts   Tip for neatly drilling round holes into thin gauge metal  3Roy858View latest post Thu Feb 15, 2018 8:14 pm
by CletusB
No new posts   Unknown ST-70 Circuit Board 11Sal3633View latest post Wed Feb 14, 2018 3:12 pm
by Roy
No new posts   Grounded Power Cord 1, 230Guest5504View latest post Tue Feb 13, 2018 5:20 pm
by peterh
No new posts   Vacuum Tube Valley - a great magazine with all issues available for download on The Internet Archive 3Roy1345View latest post Tue Feb 13, 2018 3:42 pm
by Roy
No new posts   Dyna PAS Spatial Contriol 8Mark Korda960View latest post Thu Feb 08, 2018 10:43 am
by audiobill
No new posts   Korg & Noritake Introduce Futuristic Nutube Vacuum Tubes 8baddog19461716View latest post Wed Feb 07, 2018 7:57 pm
by Roy Mottram
No new posts   Low Rectifier Voltage output after SDS Cap board install. 1, 225MikeyV5669View latest post Sun Feb 04, 2018 9:07 pm
by MikeyV
No new posts   Dynaco pas 3 replacment transfourmer 4zx2557View latest post Fri Feb 02, 2018 6:57 pm
by Guest
No new posts   SP14 transformers 2Surfwax1343View latest post Wed Jan 31, 2018 12:56 pm
by Roy Mottram
No new posts   Bob Ross can't touch this.. 0Roy736View latest post Wed Jan 31, 2018 11:53 am
by Roy
No new posts   Covers of ST70. 10Pillo691339View latest post Sun Jan 28, 2018 1:06 pm
by DynakitParts
No new posts   Step Attenuator vs pre-amp 12dacer382958View latest post Sat Jan 27, 2018 2:38 am
by Roy
No new posts   Videos of the ST-70, SP-14, PH-14 and ST-35 0crkohut778View latest post Thu Jan 25, 2018 11:08 pm
by crkohut
No new posts   Interesting KR Audio Czech factory tour video 1998 3Roy727View latest post Tue Jan 23, 2018 7:54 pm
by mark four
No new posts   interesting - denial of shipping for NOS vacuum tubes via ebay.. 4Roy1038View latest post Tue Jan 23, 2018 2:50 am
by Roy
No new posts   Bias voltage question 19ericpartsguy2907View latest post Mon Jan 22, 2018 2:43 pm
by Roy
No new posts   Interested in VTA ST-70 and ST-120 or other builds near us ( Netherlands ) 16Roy2030View latest post Sun Jan 21, 2018 5:00 pm
by Roy
No new posts   Book or website etc explaining the workings of a valve amplifier for the layperson ? 18Roy982View latest post Sat Jan 20, 2018 2:17 pm
by audiobill
No new posts   VTA ST-120 power output question 11Roy2082View latest post Thu Jan 18, 2018 12:55 pm
by Roy
No new posts   Wiring new speaker posts 2Michaelbenson2236View latest post Thu Jan 18, 2018 7:37 am
by eickmewg
No new posts   Question about amp power 14jfine1563View latest post Wed Jan 17, 2018 6:36 am
by Dahlberg
No new posts   Rare test pressing - 45 RPM Direct to Disk 8rustybutt736View latest post Tue Jan 16, 2018 1:38 pm
by rustybutt
No new posts   Speakers, Amplifiers, and a Few Random Thoughts 11Peter W.1320View latest post Mon Jan 15, 2018 5:17 pm
by Jim McShane
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