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Topics	Replies	Author	Views	Last Posts
unstable bias voltage	3	leo1254	3005	Fri Jul 03, 2009 6:11 pm by Sal
Blown fuse ... what now?	17	hup_d_dup	5160	Thu Jul 02, 2009 9:28 am by Bob Latino
How would you Modify a MK III to use EL156 tube ?	3	Tazsmonn	1720	Tue Jun 23, 2009 4:48 pm by GP49
Mk II ... Mk III	4	hup_d_dup	4212	Fri Jun 12, 2009 11:39 am by GP49
Funky National branded 7199 tube	3	Sal	7242	Mon Jun 08, 2009 5:09 pm by Tazsmonn
Odd, low level hum, Dynaco Mk II	10	GP49	5056	Wed Jun 03, 2009 5:37 pm by GP49
Observations and Questions VTA Board for ST70	1	myaddiction	4188	Sun May 31, 2009 10:34 pm by Bob Latino
Pack Dynaco amps carefully - photos ...	4	Bob Latino	2047	Fri May 29, 2009 1:33 pm by Roy Mottram
Tube preamps	11	jrethorst	4490	Fri May 29, 2009 1:20 am by GP49
Biasing KT77	3	oliver95	11551	Wed May 27, 2009 12:17 am by Brinkman
Mods for SCA-35?	9	Lissnils	8561	Mon May 25, 2009 10:08 am by Lissnils
Dynaco PAS-3 RIAA phono equalization upgrade - photo	4	Bob Latino	11687	Sun May 24, 2009 11:46 pm by GP49
Wiring dual bias in a "stock" Mk.IV	4	Listens2tubes	6098	Sun May 24, 2009 7:31 pm by Solder Slinger
Going back to Vinyl	5	Clik2media	4418	Fri May 22, 2009 10:50 pm by Flyquail56
ST70 Power Supply Upgrade	1	Bugs	3615	Thu May 21, 2009 2:30 pm by Bob Latino
New to this forum.	2	kroozing149	1466	Tue May 12, 2009 11:18 am by Bob Latino
Time Delay Board	1	scott6058	3170	Tue May 12, 2009 10:55 am by Bob Latino
Hey Bob and Roy - thanks for the manuals, pictorials and schematics	2	RockyAM	1846	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	3889	Sat May 09, 2009 12:54 pm by Tube Nube
VTA Board Tube Rolling	10	rwferr	6543	Tue May 05, 2009 1:22 am by quadaptor
Using an MC Cartridge	5	Tube Nube	2703	Fri May 01, 2009 5:30 pm by JunkyJan
One of the reasons we like Dynaco tube amps - photo	7	Bob Latino	6815	Mon Apr 27, 2009 7:48 pm by Listens2tubes
STA70 Bias Tolerence	6	Bugs762	1685	Sat Apr 25, 2009 1:27 pm by Bugs
MKIII W/VTA high current thru output tubes?	1	scott6058	2042	Sun Apr 19, 2009 6:46 pm by Bob Latino
Negative feedback	20	Tube Nube	10594	Sat Apr 18, 2009 12:01 am by Brinkman
7199 to 6GH8A conversion	0	wharf-creek	6491	Thu Apr 16, 2009 12:49 pm by wharf-creek
MKIII VTA help with negative feedback.	5	scott6058	9958	Sun Apr 05, 2009 11:13 am by scott6058
VTA SP-8 build	1	JoaoCabrao	5359	Sat Apr 04, 2009 10:22 pm by Roy Mottram
Burn in time	8	Clik2media	1877	Thu Apr 02, 2009 2:48 pm by Clik2media
ST-120 output transformers	1	Brinkman	4558	Sun Mar 29, 2009 7:00 pm by Bob Latino
VTA ST-70 BOM question	5	BruceB	2340	Sat Mar 28, 2009 9:27 pm by Roy Mottram
New VTA Board for the ST70 Calling Bob....	1	myaddiction	1756	Sat Mar 28, 2009 1:14 pm by Bob Latino
Stacked Advents with an ST70	2	myaddiction	3474	Sat Mar 28, 2009 9:21 am by myaddiction
KT-100 tubes	2	Bill Edler	3535	Fri Mar 27, 2009 9:51 pm by Bill Edler
Sheesh... Perhaps I should get one of these....	3	JunkyJan	1427	Thu Mar 26, 2009 2:53 pm by Tube Nube
Need Help with a preamp for dynaco st 70	1	merickrc	3973	Wed Mar 25, 2009 8:14 pm by Bob Latino
using variac, pros and cons	2	leitmo	4383	Tue Mar 17, 2009 10:12 am by leitmo
Power consumption: Mark II vs. Mark III	6	Guest	4137	Mon Mar 16, 2009 10:53 pm by danf
Dynakit MKIII need some help	5	scott6058	6172	Sun Mar 15, 2009 11:48 am by Bob Latino
Rebuilt Mark111 using Dynakit brand parts	0	Brian F	1306	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	3860	Fri Mar 13, 2009 9:01 am by rwferr
Which Preamp??	3	DaLarry	4753	Wed Mar 11, 2009 1:40 am by gothover
Quad cap use and other questions	3	BruceB	2199	Sat Mar 07, 2009 10:15 am by Bob Latino
Quad cap "pin-outs"	7	Clik2media	2584	Thu Mar 05, 2009 3:49 pm by Bob Latino
SP-6 Preamp	6	gothover	3200	Thu Mar 05, 2009 3:55 am by gothover
noise in power amp	6	bizi	2891	Thu Feb 26, 2009 3:11 pm by Tube Nube
In the spirit of "back to the future"...	11	Tube Nube	9203	Thu Feb 26, 2009 1:07 pm by Tube Nube
Dynaco Mark III Upgrade PC Boards	1	Gregory Braun	4790	Tue Feb 24, 2009 9:16 am by danf