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Topics	Replies	Author	Views	Last Posts
ST 70 bias, line voltage, etc.	2	Big Hat	679	Fri Jun 25, 2021 6:38 pm by Big Hat
power switch noise	4	j beede	2320	Fri Jun 25, 2021 8:29 am by stevebro
Analog Bias Meters For The VTA ST-120	10	Tom Pickett	1437	Tue Jun 22, 2021 7:17 pm by edman44
Tubes for ST-70	6	brian8599	860	Sat Jun 19, 2021 10:41 pm by MechEngVic
ST-120 DONE! Videos	1	Rbertalotto	551	Sat Jun 19, 2021 3:23 pm by edman44
Tube Life - Heat Fins	5	penguinpages	744	Fri Jun 18, 2021 10:55 pm by DesignInc
New Driver Tubes	12	C10	1110	Fri Jun 18, 2021 2:41 pm by New2Tubez
Speaker load on ST-120	8	monkuboy	723	Wed Jun 16, 2021 7:59 pm by aguaazul
VTA-ST120 with no speakers connected???	1	Rbertalotto	366	Wed Jun 16, 2021 9:33 am by peterh
Received my Solid State VTA Rectifier kit today	6	Rbertalotto	873	Wed Jun 16, 2021 7:48 am by Rec
Sheldon Stokes PAS Cap Board instructions	8	Mark Korda	561	Tue Jun 15, 2021 12:39 pm by peterh
Where, Oh Where?	1	Earl	388	Sat Jun 12, 2021 3:27 am by buchela
Red Glow in Front Right EL34 of ST-70?	9	Simonism	1167	Sat Jun 12, 2021 1:04 am by Mark Korda
Removing Dynaco A10 grilles?	6	Luddite	2582	Fri Jun 11, 2021 3:13 pm by JohnV
Trying to PM a member…	0	New2Tubez	263	Fri Jun 11, 2021 1:22 pm by New2Tubez
Guidance needed for a beginner - Mark II restoration ?'s	10	JayMX	1393	Mon Jun 07, 2021 12:10 pm by 1973shovel
VTA ST-120 Ground Fault Trips	3	Hops	496	Thu Jun 03, 2021 6:36 pm by DavidR
ST70 build.	1	ELBill34	574	Thu Jun 03, 2021 3:01 pm by MechEngVic
VTA ST-70 bias problem following catastrophic rectifier failure(s)	9	Dougbot	994	Tue Jun 01, 2021 5:25 pm by JXBJXB
SP14 Build question - Ground from volume	2	IntarsiaGuy	321	Mon May 31, 2021 8:14 pm by IntarsiaGuy
My trusted original Dynaco ST-70 with VTA mod showed holys moke :shock:	5	dynacophil	794	Fri May 28, 2021 12:14 pm by Jim McShane
VTA-ST-70 noise after power down	3	fzapped	392	Wed May 26, 2021 12:25 pm by peterh
I tried a set of Gold Lion KT66 tubes?????	19	opti-mos pat	10287	Wed May 26, 2021 9:48 am by Brap
Can someone review my MK III voltages?	9	EWALAA	620	Sat May 22, 2021 10:23 pm by EWALAA
The Differences between the GZ33, 34, 37	8	Tom Pickett	870	Tue May 18, 2021 1:45 pm by Corona
My progress on my VTA ST 120	16	Tom Pickett	1296	Mon May 17, 2021 11:11 pm by Tom Pickett
Restoring a Stereo 70 Series II	2	Andy B	565	Sun May 16, 2021 12:08 pm by Solder Slinger
ST-70 Rebuilt with VTA Octal Board	2	texbychoice	593	Sun May 16, 2021 9:13 am by ELBill34
TubeDepot.....	2	Tom Pickett	634	Sat May 15, 2021 7:26 pm by knotscott
Adding A choke To My ST-35 Kit Amp	15	JimOfOakCreek	2756	Sat May 15, 2021 11:16 am by corndog71
My VTA ST 120 Faceplate	9	Tom Pickett	525	Fri May 14, 2021 8:39 pm by bobgroger
4 ohm speakers	5	Latts	407	Thu May 13, 2021 9:29 am by Latts
ST70 hum when PAM1 is connected to the takeoff socket 1, 2	30	antsap	2040	Wed May 12, 2021 5:14 pm by drbubble
WZ68 Copper cap tear down	8	Rec	784	Wed May 12, 2021 2:02 pm by Tom Pickett
VTA ST-70 Rectifier tube	2	Latts	531	Sat May 08, 2021 7:56 pm by Tom Pickett
Connecting a subwoofer (passive) to a Dynaco Mark 111	0	AcE	198	Sat May 08, 2021 1:50 pm by AcE
My VTA ST 120	5	Tom Pickett	438	Wed May 05, 2021 4:47 pm by Tom Pickett
M-125 new(er) build - copper cap rectifier 1, 2	33	JXBJXB	1772	Mon May 03, 2021 5:43 pm by Tom Pickett
My VTA ST 120 Mods	2	Tom Pickett	637	Mon May 03, 2021 2:18 am by Tom Pickett
PAS3 Problem: Cannot reduce volume level to be quiet.	6	martin	468	Sun May 02, 2021 3:18 am by GP49
Pre-Amp - HiFi Newbie	6	penguinpages	744	Sat May 01, 2021 6:04 pm by Hops
OLD VTA driver board vs NEW driver board	4	1bigpig	508	Fri Apr 30, 2021 8:31 am by Bob Latino
Wanted: PA 521 or PA 060 transformer	5	Kevin	363	Thu Apr 29, 2021 12:59 pm by Tom Pickett
Getting the itch to roll again	1	dmoorecincy	242	Thu Apr 29, 2021 9:49 am by Brap
My MkIIIs with VTA Board Sound Uncharacteristically Too Laid Back - Cause?	2	sayntjack	429	Thu Apr 29, 2021 9:29 am by Bob Latino
One mystery, one solution	0	JunkyJan	399	Thu Apr 29, 2021 1:03 am by JunkyJan
Mullard NOS GZ33 or GZ37 Rectifiers	10	Tom Pickett	381	Thu Apr 29, 2021 12:11 am by Tom Pickett
The Yellow Sheet Tube Rectifier Modification	1	Tom Pickett	1106	Wed Apr 28, 2021 1:59 pm by Tom Pickett
Soldering Multiple Wires	4	IntarsiaGuy	435	Wed Apr 28, 2021 8:38 am by Brap
One important lesson I learned about electronics.	3	Tom Pickett	405	Tue Apr 27, 2021 12:10 pm by Tom Pickett