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Topics	Replies	Author	Views	Last Posts
Weird ST-70 distortion problem	11	gabe	1303	on Wed Oct 01, 2014 9:38 pm by j beede
Most horrible tune of the day	21	deepee99	1664	on Wed Oct 01, 2014 4:01 pm by deepee99
Need help determining correct bias adjustment	15	notboating	1801	on Mon Sep 29, 2014 5:10 pm by peterh
Help with Identification - ST70	10	fastbulbous	1345	on Sun Sep 28, 2014 9:51 pm by fastbulbous
Montana Tube Meet	8	Guest	1350	on Sun Sep 28, 2014 8:22 am by Bob Latino
Technical question concerning input grounds	1	gabe	819	on Fri Sep 26, 2014 1:19 pm by GP49
True Bi-Amping	5	mazeeff	1585	on Fri Sep 26, 2014 12:06 pm by Bob Latino
SP14 looking for some help	20	Jeff V.	2698	on Fri Sep 26, 2014 4:19 am by tiguan
ST-120 start up! 1, 2	29	Maintarget	3668	on Thu Sep 25, 2014 11:02 pm by Maintarget
240 volt power transformers now available from Dynakitparts for European Dynaco tube amp users ...	4	Bob Latino	3181	on Thu Sep 25, 2014 5:12 pm by peterh
Shuguang EL34	3	mazeeff	1069	on Wed Sep 24, 2014 4:31 pm by peterh
New VTA ST-70	1	bluerondo	853	on Sun Sep 21, 2014 8:44 pm by Bob Latino
VTA Amp For 85db Speakers	7	Jeff V.	1104	on Sun Sep 21, 2014 3:29 pm by Jeff V.
SP14 Thanks Roy!	7	Jeff V.	1442	on Sun Sep 21, 2014 2:48 am by tiguan
New member with ST-120 questions	11	wgallupe	1972	on Sat Sep 20, 2014 2:48 pm by wgallupe
K40-Y Coupling Caps for the ST-70 VTA Upgraded Board	2	BNR_1	1133	on Thu Sep 18, 2014 6:36 pm by BNR_1
Newbie here - starting my Bob Latino M 125 Monoblock build 1, 2	32	costerdock	8471	on Wed Sep 17, 2014 9:22 am by kaner
Horn Speakers 1, 2	26	Guest	5791	on Tue Sep 16, 2014 6:35 pm by TN Allen
Non Tech Newbie here ST70 help needed	4	raudio44	1051	on Mon Sep 15, 2014 8:09 pm by raudio44
Rock and Roll Combos and potted transformers	7	wildiowa	1511	on Mon Sep 15, 2014 5:32 pm by wildiowa
Vta St-70 Main Power Transformer Hum	11	islanddave	2535	on Mon Sep 15, 2014 12:04 pm by zx
my SP9/PH10 preamp build	3	Guest	1360	on Sun Sep 14, 2014 4:55 pm by Guest
octal vta problem	12	kost	1526	on Sun Sep 14, 2014 2:24 am by tubes4hifi
Bad Recifier tube?	11	islanddave	1085	on Fri Sep 12, 2014 6:07 pm by Bob Latino
another VTA ST70 chassis variation	12	Guest	3972	on Wed Sep 10, 2014 1:23 pm by tubes4hifi
Need serious help	11	5/35	1053	on Tue Sep 09, 2014 4:34 pm by audiobill
Bob's M125 and my spiral bass horns	4	carpenter	1317	on Sun Sep 07, 2014 11:01 pm by carpenter
FM-3 Rebuild	10	Maintarget	4066	on Sun Sep 07, 2014 7:44 pm by Dynalover
What gauge wire in VTA preamps?	3	AudioMartin	734	on Sun Sep 07, 2014 4:04 pm by Guest
cap gone bad?	4	colin86325	788	on Sun Sep 07, 2014 1:41 pm by Dynalover
Why output transformers are necessary on a tube amp ?	8	Bob Latino	2254	on Fri Sep 05, 2014 1:25 pm by Bob Latino
What does a scratch built VTA ST-70 sound like when it clips? 1, 2	49	Downhome Upstate	3679	on Wed Sep 03, 2014 9:14 pm by Guest
Amplifier power requirement calculator	2	audiobill	854	on Tue Sep 02, 2014 12:41 am by tubes4hifi
My VERY first tube amp. 1, 2	37	Tevian	3911	on Tue Sep 02, 2014 12:36 am by tubes4hifi
cryo tubes	19	Guest	1964	on Thu Aug 28, 2014 12:46 pm by Guest
What transformer should I replace for running 6550 tubes	6	EugeneHiFi	1629	on Mon Aug 25, 2014 1:35 pm by EugeneHiFi
Rebuild of some really old MKIV's 1, 2	35	MarcVBelgium	4844	on Fri Aug 22, 2014 6:43 pm by DynakitParts
ST-70 VTA left channel driver problem	7	w_barton	1265	on Fri Aug 22, 2014 2:40 am by w_barton
VTA amplifier gain	5	audiobill	1237	on Wed Aug 20, 2014 1:43 pm by audiobill
VTA M-125 vs. Conrad Johnson LP 125M	1	audiobill	1183	on Wed Aug 20, 2014 11:48 am by deepee99
Microphonic Driver Tube	4	kaner	941	on Tue Aug 19, 2014 3:19 pm by sKiZo
Superior variacs on eBay	1	Gregg R.	800	on Mon Aug 18, 2014 9:45 am by zx
ST-70 age and care	3	chrisj	1089	on Sat Aug 16, 2014 10:21 am by Guest
Running two ST-70's from same source	8	mazeeff	1129	on Sun Aug 10, 2014 8:52 am by zx
Replacement of voltage pot of Eico 950B RC bridge checker	0	hifitracer	772	on Sat Aug 09, 2014 7:45 pm by hifitracer
Power Transformer Tempeture Question	19	tkemmett	2076	on Fri Aug 08, 2014 4:17 pm by corndog71
ST-70 Series 2 refurbishment	10	offanonone	1788	on Tue Aug 05, 2014 8:59 pm by Dogstar
VTA ST120 Step by Step Diagnostic Checklist?	9	tkemmett	2432	on Tue Aug 05, 2014 10:44 am by GP49
ST-120 / EL-34 and or 7591 ?	3	scottlowe	1031	on Sun Aug 03, 2014 10:51 pm by tubes4hifi
SP14 Output Capacitor Values	3	AudioMartin	1384	on Sun Aug 03, 2014 8:34 pm by AudioMartin