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Topics	Replies	Author	Views	Last Posts
Announcement: dual rectifiers for ST120 & ST70 amps 1, 2	30	Roy Mottram	4159	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	883	Thu Sep 07, 2023 9:00 pm by Dan W
Announcement: blown tubes	0	Roy Mottram	1387	Thu Jun 08, 2023 7:51 pm by Roy Mottram
Digital Bias Meters	4	jwb474	758	Mon Feb 05, 2024 6:01 am by jwb474
Hum from new VTA120 newly built kit	11	NewToTubes210	1401	Sat Feb 03, 2024 1:06 am by NewToTubes210
Dynaco C-354 chokes in stock	0	Dan W	689	Sat Feb 03, 2024 12:19 am by Dan W
Dynaco ST-35 new populated boards on EBay?	2	misterc57	387	Fri Feb 02, 2024 3:31 pm by misterc57
ST-120 LM334 burnout	8	grosen	1409	Wed Jan 31, 2024 9:16 am by jwb474
Remember This Book	3	jwb474	743	Sat Jan 20, 2024 11:40 pm by jwb474
New to me ST120 blown 6550 & 5AR4	3	batman7349	405	Sat Jan 20, 2024 8:28 pm by batman7349
Bi-Amping mismatch amp	7	denis14	488	Sat Jan 20, 2024 4:14 pm by knotscott
Mono TCLA Preamp & 78 Phonostage In PAM Chassis	0	jwb474	244	Sun Jan 14, 2024 5:07 am by jwb474
Vu meters	0	Ernestwithanage	247	Sun Jan 14, 2024 2:22 am by Ernestwithanage
Which preamp to buy to use with my ST70?	9	Hardwhistle	625	Mon Jan 08, 2024 10:56 pm by Hardwhistle
Power Cable Upgrade	3	VTHokie83	652	Mon Jan 08, 2024 3:37 pm by Bob Latino
ST70 power transformer	5	itrfguy	792	Fri Jan 05, 2024 10:17 pm by Cubdriver
Dynaco PAS 4 Phono stage is almost so low it's inaudible	14	45scratches	459	Wed Jan 03, 2024 9:10 pm by Tubes4ever
VTA ST-70 problem	6	Chris A	743	Wed Jan 03, 2024 9:03 am by Chris A
12AU7 Tube Choice	6	snip73	416	Wed Jan 03, 2024 7:46 am by snip73
ST70 Bias Unstable, Oscillation	17	NIBW	918	Tue Jan 02, 2024 11:25 am by Solder Slinger
Right channel output intermittent	0	ljderek	211	Mon Jan 01, 2024 9:49 pm by ljderek
KT88's in the ST70? 1, 2	27	Guest	6810	Mon Jan 01, 2024 8:19 pm by fedoragent
New PAS Build	0	jwb474	187	Sun Dec 31, 2023 6:39 pm by jwb474
AC Voltage On Chassis	2	rudes	276	Sat Dec 30, 2023 10:15 am by rudes
EL 34 v. KT 88	21	rwferr	11425	Fri Dec 22, 2023 8:09 pm by fedoragent
VTA-ST120: variac fuse blows when the TDR switches on the "power circuits".	7	alexbramford	717	Fri Dec 22, 2023 12:59 pm by peterh
7 lug terminal strip wiring	2	steve46	413	Sun Dec 17, 2023 11:31 am by steve46
Has anyone tried these tubes in St-120? PREFERRED SERIES KT88	1	smoorenc	373	Fri Dec 15, 2023 1:00 am by ArlanB
Wattage of 10 ohm bias sensing resistors.	2	Viridian2	254	Sat Dec 09, 2023 5:52 pm by Viridian2
ST70 el34 bias low	13	directmetalmonster	1421	Sat Dec 09, 2023 12:57 pm by Bob Latino
VTA M-125's and 16 ohm speakers	5	Audiosoldier1979	510	Fri Dec 01, 2023 11:36 am by Seamus
Bias PAnel meter install	2	Brap	475	Fri Dec 01, 2023 9:40 am by Brap
Telefunken Black Diamond ECC82	4	Brap	352	Fri Dec 01, 2023 9:35 am by Brap
Update to Post from last Summer	1	mwagn_1	356	Thu Nov 30, 2023 11:59 pm by Wharfcreek
SP14 losing right channel when warm	6	Dusterdave	1708	Mon Nov 27, 2023 11:42 pm by Dusterdave
VTA ST-120	5	stelian99	889	Wed Nov 22, 2023 2:09 pm by smoorenc
REPLACED power transformer ST-70	1	corey thompson	497	Tue Nov 21, 2023 1:16 pm by Dan W
ST-70 speaker question	11	dbster	760	Fri Nov 17, 2023 1:21 pm by Brap
Newbie problems with a ST-70 rebuild VTA70 driver board / bias display: no sound 1, 2	25	fmzip	1383	Thu Nov 16, 2023 2:21 pm by Roy Mottram
Wow freshly restored . But it now does not work s70 .	6	corey thompson	392	Thu Nov 16, 2023 8:54 am by Bob Latino
Vinyl records now outselling CD's ! hard to believe ?	4	Bob Latino	547	Mon Nov 13, 2023 3:41 am by jwb474
6.8K MK4 Can Cap Resistor 1/2 or 1 Watt?	2	bubbasweet	344	Mon Oct 30, 2023 8:44 am by WLT
High bias on Mark IV amps	10	stevenally	3014	Thu Oct 26, 2023 4:30 pm by bubbasweet
PAS4 Preamp 1, 2	34	StereoGaryo	12112	Sun Oct 22, 2023 11:21 am by Mazen0822
5AR4 Tubes Keep Failing	2	rudes	571	Sat Oct 21, 2023 9:55 pm by Roy Mottram
SP14 Preamp assembly project	1	Rafael0510	389	Sat Oct 21, 2023 9:47 pm by Roy Mottram
VTA-ST120 - Low bias on all four power tubes	4	alexbramford	595	Tue Oct 17, 2023 8:07 pm by alexbramford
ST-120 Dual Rectifier Upgrade	3	penguinpages	1391	Mon Oct 16, 2023 9:09 am by smoorenc
Where is tubes4hifi dot com?	2	ttocs	433	Sun Oct 15, 2023 9:35 am by Dan W
New Erhard PAS Upgrade Forum	0	jwb474	386	Fri Oct 13, 2023 11:15 pm by jwb474
VTA-70 Bias Resistor	7	Benevox	486	Wed Oct 11, 2023 3:21 pm by itrfguy
PAS 2 Hum identification and isolation help	1	bubbasweet	217	Thu Oct 05, 2023 9:39 pm by bubbasweet
Think I toasted my Power Transformer, how do I test it?	10	evangerardo	1283	Wed Oct 04, 2023 2:13 am by evangerardo