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 Mottram4052View 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 W829View latest post Thu Sep 07, 2023 9:00 pm
by Dan W
No new posts  Announcement:  blown tubes 0Roy Mottram1339View latest post Thu Jun 08, 2023 7:51 pm
by Roy Mottram
No new posts   Marconi 12AU7 0sKiZo2608View latest post Mon Oct 28, 2013 6:21 pm
by sKiZo
No new posts   VTA SP12 Popping Noise 6guentherj21781View latest post Mon Oct 28, 2013 12:48 pm
by Jim McShane
No new posts   PAS3 power supply 7Roy Mottram3523View latest post Sun Oct 27, 2013 2:48 pm
by Pillo69
No new posts   12BH7 in VTA70 with stock power supply transformer questions 12Mossback5344View latest post Sun Oct 27, 2013 12:34 am
by sKiZo
No new posts   Tube store tube number 13ValleySounds1880View latest post Sat Oct 26, 2013 11:25 am
by ValleySounds
No new posts   Bypass capacitors on long leads 7sKiZo1551View latest post Tue Oct 22, 2013 7:30 pm
by sKiZo
No new posts   Mk III's: jiggle a tube, get static 6veloceracing1731View latest post Mon Oct 21, 2013 9:29 pm
by Jim McShane
No new posts   PAS 3 upgrades interconect help ! 1xdodge960View latest post Sun Oct 20, 2013 7:16 pm
by Roy Mottram
No new posts   Older Audio, Hi Fidelity and Hi-Fi Stereo Review magazines in pdf form 4Bob Latino6182View latest post Sun Oct 20, 2013 6:13 pm
by Pillo69
No new posts   Looks like the KT-150s have come out to play 1, 231deepee995043View latest post Sat Oct 19, 2013 4:53 pm
by sKiZo
No new posts   Tung Sol KT150 12merlot8566View latest post Sat Oct 19, 2013 12:04 pm
by arledgsc
No new posts   Looking for repair of VTA ST120 in Tampa/Sarasota Florida area 8davidness1522View latest post Thu Oct 17, 2013 8:14 pm
by rockinrob86
No new posts   ST-70 just finished - very little bass 13fmorelli2968View latest post Thu Oct 17, 2013 8:13 pm
by rockinrob86
No new posts   ST-35 chassis mod query 2Guest1137View latest post Thu Oct 17, 2013 1:43 pm
by sKiZo
No new posts   very sinple question here 3islanddave1236View latest post Tue Oct 15, 2013 1:52 pm
by sKiZo
No new posts   Need a little help on MK3 octal board. 17pjp32949View latest post Sun Oct 13, 2013 3:22 pm
by Roy Mottram
No new posts   ST-70 driver board cap question 0Elrick1095View latest post Sat Oct 12, 2013 8:32 pm
by Elrick
No new posts   problems with PAS-2 Phono (one tube not heating) 6greggoad1025View latest post Thu Oct 10, 2013 3:08 pm
by GP49
No new posts   Tube Depot s/s rectifiers 2deepee991332View latest post Thu Oct 10, 2013 2:20 pm
by GP49
No new posts   ST-70 pico cap question  7Elrick2025View latest post Thu Oct 10, 2013 9:19 am
by Tiziano73
No new posts   ST120 Test Voltages 3sKiZo1253View latest post Mon Oct 07, 2013 4:29 pm
by Bob Latino
No new posts   What are the current resistor values and power ratings for the Hi-gain (12AT7) and Lo-gain (12AU7) (12BH7) VTA MKIII/IV upgrade boards? 9Austuriano2334View latest post Mon Oct 07, 2013 12:12 pm
by Austuriano
No new posts   The DREADED Pam PS-1 Supply ! 2joeysanchez3259View latest post Mon Oct 07, 2013 10:59 am
by joeysanchez
No new posts   Bias pots: cermet or wirewound for the VTA MKIII/IV upgrade boards ? 2Austuriano1187View latest post Sun Oct 06, 2013 11:50 pm
by Roy Mottram
No new posts   Well, I found a pair of MK III's 8pjp31365View latest post Fri Oct 04, 2013 12:39 am
by GP49
No new posts   Tube Substitution Guide book 11Maintarget2808View latest post Wed Oct 02, 2013 10:54 pm
by corndog71
No new posts   PAS Filament current  3Scot_B1187View latest post Sun Sep 29, 2013 4:24 pm
by Scot_B
No new posts   Found! New production rectifier tubes 5AR4 / GZ34 that are actually good and last!!! 9Analog Man5510View latest post Sun Sep 29, 2013 2:28 pm
by Zimmer64
No new posts   VTA ST - 120 Power fuse question 5Analog Man1930View latest post Sun Sep 29, 2013 3:12 am
by jimmytamp
No new posts   ST-120 & Tube Rolling 0jimmytamp1125View latest post Sun Sep 29, 2013 2:50 am
by jimmytamp
No new posts   VTA ST - 120 Driver tube choices 7Analog Man3181View latest post Thu Sep 26, 2013 9:14 pm
by guentherj2
No new posts   Dynaco and the 7199 0sailor1840View latest post Thu Sep 26, 2013 1:22 pm
by sailor
No new posts   Solid state rectifier vs tube rectifier? 6Analog Man3156View latest post Thu Sep 26, 2013 9:54 am
by arledgsc
No new posts   SCA 35 Can you replace preamp section with vta preamp section? 1, 2, 368Andy Jersey10658View latest post Tue Sep 24, 2013 8:23 pm
by sailor
No new posts   PAS-3: First DIY project, looks great, loud hum 10allenmmusic100032077View latest post Tue Sep 24, 2013 6:08 pm
by DarthBubba
No new posts   Complete ST-70 restoration 10Sal3631View latest post Tue Sep 24, 2013 5:45 pm
by DarthBubba
No new posts   Inserting crossover network between PAS 3 and ST 70 2qvr6491009View latest post Mon Sep 23, 2013 8:39 pm
by qvr649
No new posts   M125 blown fuse help 4mikew2010View latest post Mon Sep 23, 2013 7:53 pm
by Analog Man
No new posts   st-35 triode output 4altecboy1187View latest post Mon Sep 23, 2013 12:30 pm
by altecboy
No new posts   Hook up wire 7Maintarget2975View latest post Sun Sep 22, 2013 4:04 pm
by Maintarget
No new posts   MK III's finally finished.  1grizzinca987View latest post Sun Sep 22, 2013 4:00 pm
by Maintarget
No new posts   VTA ST - 120 Finished and up and running!!! 15Analog Man2673View latest post Sat Sep 21, 2013 11:43 pm
by sKiZo
No new posts    New Sensor KT150. 3mantha31709View latest post Fri Sep 20, 2013 3:55 pm
by Bob Latino
No new posts   New VTA ST-120 Build! Need Help! SOS 1, 225Analog Man3315View latest post Thu Sep 19, 2013 8:33 pm
by Analog Man
No new posts   Chinese Dynaco ST-70 type amp KIT of the 1990's - the VAA-70 MKII 3Bob Latino10116View latest post Wed Sep 18, 2013 12:56 pm
by sKiZo
No new posts   Messed Up My Install 17NuttyLemur2513View latest post Mon Sep 16, 2013 1:42 pm
by Zimmer64
No new posts   IEC modification to ST-70 chassis 15fmorelli2980View latest post Mon Sep 16, 2013 11:01 am
by peterh
No new posts   Can an SP-9 sound as good as an SP-14? 2TMadden1151View latest post Sun Sep 15, 2013 5:24 pm
by TMadden
No new posts   Popping Noise 3AMCjeep1385View latest post Sat Sep 14, 2013 7:26 pm
by AMCjeep
No new posts   Dynaco Pas 2/3 bottom plate 2Babgrip1002View latest post Sat Sep 14, 2013 1:38 pm
by kygeezer
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