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Topics	Replies	Author	Views	Last Posts
Announcement: dual rectifiers for ST120 & ST70 amps 1, 2	30	Roy Mottram	4138	Sat Dec 02, 2023 6:27 pm by GAflubug
Announcement: Tubes IN STOCK - Tung-Sol, Gold Lion, Electro-Harmonix, Svetlana, Sovtek, JJ	2	Dan W	875	Thu Sep 07, 2023 9:00 pm by Dan W
Announcement: blown tubes	0	Roy Mottram	1377	Thu Jun 08, 2023 7:51 pm by Roy Mottram
Pack Dynaco amps carefully - photos ...	4	Bob Latino	2045	Fri May 29, 2009 1:33 pm by Roy Mottram
Tube preamps	11	jrethorst	4487	Fri May 29, 2009 1:20 am by GP49
Biasing KT77	3	oliver95	11521	Wed May 27, 2009 12:17 am by Brinkman
Mods for SCA-35?	9	Lissnils	8560	Mon May 25, 2009 10:08 am by Lissnils
Dynaco PAS-3 RIAA phono equalization upgrade - photo	4	Bob Latino	11630	Sun May 24, 2009 11:46 pm by GP49
Wiring dual bias in a "stock" Mk.IV	4	Listens2tubes	6093	Sun May 24, 2009 7:31 pm by Solder Slinger
Going back to Vinyl	5	Clik2media	4416	Fri May 22, 2009 10:50 pm by Flyquail56
ST70 Power Supply Upgrade	1	Bugs	3607	Thu May 21, 2009 2:30 pm by Bob Latino
New to this forum.	2	kroozing149	1465	Tue May 12, 2009 11:18 am by Bob Latino
Time Delay Board	1	scott6058	3167	Tue May 12, 2009 10:55 am by Bob Latino
Hey Bob and Roy - thanks for the manuals, pictorials and schematics	2	RockyAM	1844	Mon May 11, 2009 3:45 pm by RockyAM
Tube Sockets	1	Bugs762	1710	Sun May 10, 2009 12:44 am by GP49
How good can an ST-70 be made?	11	summilux	3883	Sat May 09, 2009 12:54 pm by Tube Nube
VTA Board Tube Rolling	10	rwferr	6542	Tue May 05, 2009 1:22 am by quadaptor
Using an MC Cartridge	5	Tube Nube	2702	Fri May 01, 2009 5:30 pm by JunkyJan
One of the reasons we like Dynaco tube amps - photo	7	Bob Latino	6807	Mon Apr 27, 2009 7:48 pm by Listens2tubes
STA70 Bias Tolerence	6	Bugs762	1684	Sat Apr 25, 2009 1:27 pm by Bugs
MKIII W/VTA high current thru output tubes?	1	scott6058	2041	Sun Apr 19, 2009 6:46 pm by Bob Latino
Negative feedback	20	Tube Nube	10564	Sat Apr 18, 2009 12:01 am by Brinkman
7199 to 6GH8A conversion	0	wharf-creek	6478	Thu Apr 16, 2009 12:49 pm by wharf-creek
MKIII VTA help with negative feedback.	5	scott6058	9951	Sun Apr 05, 2009 11:13 am by scott6058
VTA SP-8 build	1	JoaoCabrao	5358	Sat Apr 04, 2009 10:22 pm by Roy Mottram
Burn in time	8	Clik2media	1876	Thu Apr 02, 2009 2:48 pm by Clik2media
ST-120 output transformers	1	Brinkman	4547	Sun Mar 29, 2009 7:00 pm by Bob Latino
VTA ST-70 BOM question	5	BruceB	2334	Sat Mar 28, 2009 9:27 pm by Roy Mottram
New VTA Board for the ST70 Calling Bob....	1	myaddiction	1754	Sat Mar 28, 2009 1:14 pm by Bob Latino
Stacked Advents with an ST70	2	myaddiction	3473	Sat Mar 28, 2009 9:21 am by myaddiction
KT-100 tubes	2	Bill Edler	3533	Fri Mar 27, 2009 9:51 pm by Bill Edler
Sheesh... Perhaps I should get one of these....	3	JunkyJan	1425	Thu Mar 26, 2009 2:53 pm by Tube Nube
Need Help with a preamp for dynaco st 70	1	merickrc	3971	Wed Mar 25, 2009 8:14 pm by Bob Latino
using variac, pros and cons	2	leitmo	4382	Tue Mar 17, 2009 10:12 am by leitmo
Power consumption: Mark II vs. Mark III	6	Guest	4134	Mon Mar 16, 2009 10:53 pm by danf
Dynakit MKIII need some help	5	scott6058	6170	Sun Mar 15, 2009 11:48 am by Bob Latino
Rebuilt Mark111 using Dynakit brand parts	0	Brian F	1304	Sat Mar 14, 2009 3:12 pm by Brian F
Dyna MKIII fallen short of upgradeing caps.	9	scott6058	6746	Sat Mar 14, 2009 1:47 pm by danf
KT88/6550 Tube Choices	3	toolGURU	3853	Fri Mar 13, 2009 9:01 am by rwferr
Which Preamp??	3	DaLarry	4750	Wed Mar 11, 2009 1:40 am by gothover
Quad cap use and other questions	3	BruceB	2197	Sat Mar 07, 2009 10:15 am by Bob Latino
Quad cap "pin-outs"	7	Clik2media	2582	Thu Mar 05, 2009 3:49 pm by Bob Latino
SP-6 Preamp	6	gothover	3198	Thu Mar 05, 2009 3:55 am by gothover
noise in power amp	6	bizi	2890	Thu Feb 26, 2009 3:11 pm by Tube Nube
In the spirit of "back to the future"...	11	Tube Nube	9199	Thu Feb 26, 2009 1:07 pm by Tube Nube
Dynaco Mark III Upgrade PC Boards	1	Gregory Braun	4774	Tue Feb 24, 2009 9:16 am by danf
Hum problems in completely rebuilt PAS-3X	0	Swede52	1289	Sun Feb 22, 2009 1:19 pm by Swede52
PAS-3X problems after complete rebuild	1	Swede52	1371	Sat Feb 21, 2009 3:45 pm by Bob Latino
Dynaco Mark III and IV Startup Procedure	6	Gregory Braun	5928	Sat Feb 21, 2009 1:55 pm by Gregory Braun
Heat build up with a ST-70 Cage?	4	Robert	4389	Sun Feb 15, 2009 11:11 am by danf
Dynaco Pas 3 vs. Pas 3 series II	2	redline	4671	Sun Feb 15, 2009 10:58 am by redline
PAS 3X power transformer	2	Plumberboy1	4790	Sun Feb 15, 2009 3:35 am by Roy Mottram
Hey, TubeNube - how is your ST-70 project going?	6	JunkyJan	2626	Fri Feb 13, 2009 9:21 pm by Tube Nube