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   Russian 6H30 1, 236Davros194967View latest post on Fri May 09, 2014 8:51 pm
by pmarcin
No new posts   a praise to this forum 1, 227Guest1843View latest post on Fri May 09, 2014 12:32 pm
by Brap
No new posts   ST-120 Triode Operation 7arledgsc849View latest post on Thu May 08, 2014 8:09 pm
by deepee99
No new posts   M-125 > Great sounds! 22audiobill1889View latest post on Wed May 07, 2014 4:02 pm
by corndog71
No new posts   PAS3 scratch build - all controls removed 5FrankieKat2068View latest post on Tue May 06, 2014 12:47 pm
by corndog71
No new posts   Sunn Amplifiers 1Maintarget1147View latest post on Tue May 06, 2014 12:18 am
by j beede
No new posts   Shall I change the 2200 ohm resistor on the quad cap (VTA drive board), 6weikuang88975View latest post on Mon May 05, 2014 9:15 pm
by sKiZo
No new posts   all tubes lit no sound 8scottlowe802View latest post on Sun May 04, 2014 9:52 pm
by scottlowe
No new posts  [ Poll ]  a tube EQ survey 21Guest1660View latest post on Sun May 04, 2014 6:59 pm
by Pillo69
No new posts   New ST70 - initial startup problem 15SnugDynaco1576View latest post on Sun May 04, 2014 1:23 am
by sKiZo
No new posts   I hope to gain an answer 1polarflux534View latest post on Fri May 02, 2014 8:38 pm
by Bob Latino
No new posts   Transformer Hum 15Belvedere22221View latest post on Thu May 01, 2014 9:40 pm
by deepee99
No new posts   New speakers and bi-amp questions . 5pigface1265View latest post on Thu May 01, 2014 8:08 pm
by pigface
No new posts   Even after Axpona my ST120 sounds amazing! (pics added!) 11corndog711222View latest post on Wed Apr 30, 2014 9:05 pm
by corndog71
No new posts   Filament Feeding PAS 7Pillo691239View latest post on Wed Apr 30, 2014 6:20 am
by Tiziano73
No new posts   bose 901 /mac pre/vta st 120 2scottlowe654View latest post on Tue Apr 29, 2014 7:37 pm
by tubes4hifi
No new posts   All bugs worked out, Mark-3's sounding great and running cool! 7GlacierJohn859View latest post on Sat Apr 26, 2014 4:23 pm
by j beede
No new posts    VTA Mk III triode mode fans? 2Dingojazz685View latest post on Fri Apr 25, 2014 10:26 pm
by Dingojazz
No new posts   Woody M-125s 16deepee992044View latest post on Thu Apr 24, 2014 8:02 am
by audiobill
No new posts   Bare Nekkid, and I'm scared 1, 227deepee991746View latest post on Wed Apr 23, 2014 6:08 pm
by deepee99
No new posts   Mr Nixie HeadPhone amp 0Guest733View latest post on Tue Apr 22, 2014 7:09 pm
by Guest
No new posts   5963 an option for 12AU7 in ST120? 1, 225sKiZo3766View latest post on Tue Apr 22, 2014 8:55 am
by Bob Latino
No new posts   low level hum caused by faulty/dying 5AR4? 18Guest1626View latest post on Mon Apr 21, 2014 7:27 pm
by deepee99
No new posts   Did you just buy fake tubes ? check out this link .. 4Bob Latino957View latest post on Mon Apr 21, 2014 1:13 pm
by sailor
No new posts   Mk-3 high voltage to pins 3 and 4 on both output tubes both amps... 2GlacierJohn577View latest post on Mon Apr 21, 2014 11:21 am
by GlacierJohn
No new posts   My MK 3 Bias problem... 11GlacierJohn1158View latest post on Mon Apr 21, 2014 10:30 am
by GlacierJohn
No new posts   New Mullard tubes coming ... 1, 228Bob Latino3867View latest post on Sun Apr 20, 2014 11:33 pm
by corndog71
No new posts   The "Hazen mod" for EL34 tubes 3colin863251333View latest post on Sun Apr 20, 2014 4:08 pm
by colin86325
No new posts   Hello, I just joined the forum... 4GlacierJohn883View latest post on Sun Apr 20, 2014 6:49 am
by zx
No new posts   Problem with PAS preamplifier 5Pillo69779View latest post on Fri Apr 18, 2014 5:02 am
by peterh
No new posts   home made type C vacuum tube 3Guest1009View latest post on Thu Apr 17, 2014 11:43 am
by Guest
No new posts   Green... with envy? 8pjp3952View latest post on Thu Apr 17, 2014 10:42 am
by corndog71
No new posts   grounding ST70/120 9Guest1700View latest post on Thu Apr 17, 2014 12:41 am
by Guest
No new posts   BIAS adjustment on the VTA ST 120 12scottlowe1051View latest post on Tue Apr 15, 2014 5:34 pm
by scottlowe
No new posts   KT88's in the ST70? 23Guest2408View latest post on Tue Apr 15, 2014 12:34 am
by Guest
No new posts   M125 input level 4audiobill850View latest post on Sat Apr 12, 2014 7:33 am
by audiobill
No new posts   Folded horn versus sealed enclosure 6Brap1206View latest post on Fri Apr 11, 2014 8:40 pm
by tubes4hifi
No new posts   SP9 / PH10 custom build 1, 225Guest2433View latest post on Thu Apr 10, 2014 9:11 pm
by Guest
No new posts   Sencore 12AU7 tube 2Guest673View latest post on Thu Apr 10, 2014 7:39 pm
by Guest
No new posts   Who sells low voltage caps? 8guentherj2748View latest post on Thu Apr 10, 2014 5:35 pm
by sKiZo
No new posts   Tube Dampers 21Guest1753View latest post on Thu Apr 10, 2014 5:03 pm
by deepee99
No new posts   Driver Board Capacitor Values 3polarflux914View latest post on Thu Apr 10, 2014 4:52 pm
by Bob Latino
No new posts   Clarity TC film caps in the power supply 3Captain Coconut2098View latest post on Thu Apr 10, 2014 1:09 pm
by Captain Coconut
No new posts   rubber isolation washers 1, 226Guest2296View latest post on Thu Apr 10, 2014 11:48 am
by deepee99
No new posts   British Grove Studios 5mazeeff917View latest post on Wed Apr 09, 2014 3:16 am
by deepee99
No new posts   Now you see it...  5j beede770View latest post on Tue Apr 08, 2014 10:23 am
by GP49
No new posts   Red plating 22mhardyman2938View latest post on Mon Apr 07, 2014 7:36 am
by Jim McShane
No new posts   My VTA ST120 1, 231corndog715245View latest post on Sun Apr 06, 2014 2:29 pm
by corndog71
No new posts   Can ST-70 Be Bridged Mono 5EddieGnz1860View latest post on Sat Apr 05, 2014 8:33 pm
by stromberg67
No new posts   SP14 Custom Case 18mcb2419View latest post on Sat Apr 05, 2014 4:53 am
by audiobill
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