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Topics	Replies	Views	Last Posts
STA70 Bias Tolerence by Bugs762	6	135	Sat Apr 25, 2009 1:27 pm by Bugs
MKIII W/VTA high current thru output tubes? by scott6058	1	109	Sun Apr 19, 2009 6:46 pm by Bob Latino
Negative feedback [ 1, 2 ] by Tube Nube	20	241	Sat Apr 18, 2009 12:01 am by Brinkman
ST-70, Mark II, Mark III and Mark IV - to check your date of manufacture by Bob Latino	4	124	Thu Apr 16, 2009 8:58 pm by Bob Latino
7199 to 6GH8A conversion by Tom Dickinson	0	122	Thu Apr 16, 2009 12:49 pm by Tom Dickinson
MKIII VTA help with negative feedback. by scott6058	5	118	Sun Apr 05, 2009 11:13 am by scott6058
VTA SP-8 build by JoaoCabrao	1	133	Sat Apr 04, 2009 10:22 pm by tubes4hifi
Burn in time by Clik2media	8	137	Thu Apr 02, 2009 2:48 pm by Clik2media
Report on VTA Mark III Driver Board by danf	13	275	Thu Apr 02, 2009 2:37 pm by JoaoCabrao
ST-120 output transformers by Brinkman	1	147	Sun Mar 29, 2009 7:00 pm by Bob Latino
VTA ST-70 BOM question by BruceB	5	128	Sat Mar 28, 2009 9:27 pm by tubes4hifi
New VTA Board for the ST70 Calling Bob.... by myaddiction	1	142	Sat Mar 28, 2009 1:14 pm by Bob Latino
Stacked Advents with an ST70 by myaddiction	2	116	Sat Mar 28, 2009 9:21 am by myaddiction
KT-100 tubes by Bill Edler	2	127	Fri Mar 27, 2009 9:51 pm by Bill Edler
Sheesh... Perhaps I should get one of these.... by JunkyJan	3	149	Thu Mar 26, 2009 2:53 pm by Tube Nube
Need Help with a preamp for dynaco st 70 by merickrc	1	138	Wed Mar 25, 2009 8:14 pm by Bob Latino
tube choices by aliveatfive	1	148	Sat Mar 21, 2009 8:32 pm by Bob Latino
using variac, pros and cons by leitmo	3	125	Tue Mar 17, 2009 12:44 pm by PeterCapo
Power consumption: Mark II vs. Mark III by PeterCapo	7	105	Mon Mar 16, 2009 10:56 pm by PeterCapo
Dynakit MKIII need some help by scott6058	5	151	Sun Mar 15, 2009 11:48 am by Bob Latino
Rebuilt Mark111 using Dynakit brand parts by Brian F	0	107	Sat Mar 14, 2009 3:12 pm by Brian F
Dyna MKIII fallen short of upgradeing caps. by scott6058	9	127	Sat Mar 14, 2009 1:47 pm by danf
KT88/6550 Tube Choices by toolGURU	3	195	Fri Mar 13, 2009 9:01 am by rwferr
Which Preamp?? by DaLarry	3	155	Wed Mar 11, 2009 1:40 am by gothover
Quad cap use and other questions by BruceB	3	128	Sat Mar 07, 2009 10:15 am by Bob Latino
Quad cap "pin-outs" by Clik2media	7	140	Thu Mar 05, 2009 3:49 pm by Bob Latino
SP-6 Preamp by gothover	6	186	Thu Mar 05, 2009 3:55 am by gothover
240 volt power transformers now available from Dynakitparts for European Dynaco tube amp users ... by Bob Latino	0	97	Tue Mar 03, 2009 1:05 pm by Bob Latino
noise in power amp by bizi	6	131	Thu Feb 26, 2009 3:11 pm by Tube Nube
In the spirit of "back to the future"... by Tube Nube	11	179	Thu Feb 26, 2009 1:07 pm by Tube Nube
Dynaco Mark III Upgrade PC Boards by Gregory Braun	1	115	Tue Feb 24, 2009 9:16 am by danf
KIT delivery time on Bottlehead amp kits - 4 to 6 weeks ??? by RockyAM	2	123	Tue Feb 24, 2009 7:17 am by Bob Latino
Hum problems in completely rebuilt PAS-3X by Swede52	0	104	Sun Feb 22, 2009 1:19 pm by Swede52
PAS-3X problems after complete rebuild by Swede52	1	118	Sat Feb 21, 2009 3:45 pm by Bob Latino
C9-10 Question by Guest	5	109	Sat Feb 21, 2009 3:13 pm by dodeca
Dynaco Mark III and IV Startup Procedure by Gregory Braun	6	122	Sat Feb 21, 2009 1:55 pm by Gregory Braun
Heat build up with a ST-70 Cage? by Robert	4	126	Sun Feb 15, 2009 11:11 am by danf
Dynaco Pas 3 vs. Pas 3 series II by redline	2	120	Sun Feb 15, 2009 10:58 am by redline
PAS 3X power transformer by Plumberboy1	3	127	Sun Feb 15, 2009 3:35 am by tubes4hifi
Pros and cons of using solid state rectifiers in Dynaco amps ? by Dynaluva	9	214	Sun Feb 15, 2009 3:13 am by tubes4hifi
The fun of rebuilding a SCA35. by Tazsmonn	0	115	Sat Feb 14, 2009 10:30 pm by Tazsmonn
Hey, TubeNube - how is your ST-70 project going? by JunkyJan	6	120	Fri Feb 13, 2009 9:21 pm by Tube Nube
Been there, done that and loved it !!! by artright	2	111	Wed Feb 11, 2009 10:19 pm by rwferr
Buying a 50 year old power transformer is sometimes a roll of the dice - photo by Bob Latino	5	159	Tue Feb 10, 2009 9:28 am by danf
Ecologically Sustainable Audio by Tube Nube	8	120	Mon Feb 09, 2009 9:22 pm by Tube Nube
Speakers recommendations by scott6058	3	141	Fri Feb 06, 2009 10:13 am by Sal
What's the first thing to do when you restore an old Dynaco amp ? by Rick	4	181	Fri Jan 30, 2009 1:35 pm by Bob Latino
Dynaco OUTPUT transformers - how to check out a used one .. by Bob Latino	0	120	Thu Jan 29, 2009 8:47 pm by Bob Latino
Identity of Mark III Driver Board by danf	1	110	Thu Jan 29, 2009 6:48 pm by Brinkman
Early Radio Shack Catalogs - link by Bob Latino	0	108	Thu Jan 29, 2009 6:31 pm by Bob Latino