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Topics	Replies	Author	Views	Last Posts
Announcement: dual rectifiers for ST120 & ST70 amps	21	tubes4hifi	1805	Fri Sep 08, 2023 8:35 am by Ianedwin
Announcement: Tubes IN STOCK - Tung-Sol, Gold Lion, Electro-Harmonix, Svetlana, Sovtek, JJ	2	Dan W	212	Thu Sep 07, 2023 9:00 pm by Dan W
Announcement: blown tubes	0	tubes4hifi	765	Thu Jun 08, 2023 7:51 pm by tubes4hifi
Sticky: Place FOR SALE or WANTED audio related items in this STICKY thread	5	Bob Latino	38203	Wed Sep 20, 2023 7:35 pm by tubes4hifi
Sticky: ANNOUNCEMENT about Tubes4HiFi	2	tubes4hifi	3385	Tue Aug 01, 2023 12:39 am by New2Tubez
Sticky: tone controls? yes - or no ? 1, 2	40	tubes4hifi	12509	Tue Jun 27, 2023 6:48 pm by tubes4hifi
Sticky: The tune of the day 1, 2, ... , 24, 25	611	deepee99	19791	Sat Feb 25, 2023 12:34 pm by Doug_P
Sticky: PAS3 RIAA mod	17	tubes4hifi	10568	Mon Jan 23, 2023 7:26 am by carcy
Sticky: tube rectifier "yellow sheet" diode mod 1, 2, 3, 4	95	tubes4hifi	22852	Mon Feb 14, 2022 10:02 pm by corndog71
Sticky: Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... 1, 2	31	Bob Latino	12538	Fri Oct 08, 2021 8:50 pm by tubes4hifi
Sticky: VTA ST-70, VTA ST-120 and VTA M-125 amplifier information	19	Bob Latino	13210	Sat Jul 10, 2021 6:06 pm by Bob Latino
Sticky: Run your Dynaco ST-70, Mark II, Mark III or Mark IV in TRIODE MODE - photo 1, 2	41	Bob Latino	14129	Mon Jul 05, 2021 11:59 am by jrethorst
Sticky: Dynaco lore - Differences between factory wired and kit built ST-70 - photos .. 1, 2	34	Bob Latino	14440	Fri May 14, 2021 11:18 am by traderthom
Sticky: info for posting on this forum	2	tubes4hifi	1579	Sat Aug 24, 2019 10:04 pm by tubes4hifi
Sticky: Dynaco ST-70 PC-3 driver board parts layout - photo ... 1, 2	37	Bob Latino	15286	Mon Jun 25, 2018 1:38 pm by dmagazz
Sticky: latest 2021 SP14 photos	0	tubes4hifi	5087	Thu Feb 22, 2018 3:22 pm by tubes4hifi
Sticky: Differences between the original ST-70 and my VTA ST-70 ?	6	RockyAM	11699	Tue Jun 27, 2017 7:53 pm by Bob Latino
Sticky: HOW TO POST A PHOTO on the Dynaco Tube Audio Forum	13	Bob Latino	9699	Fri Jun 02, 2017 10:16 am by Bob Latino
Sticky: Rebuild your Dynaco ST-35 power amp - photos ..	20	Bob Latino	12602	Sat Apr 30, 2016 12:16 pm by retepnommel
Sticky: Rebuilding your Dynaco ST-70 videos	0	Bob Latino	7055	Tue Oct 27, 2015 1:18 pm by Bob Latino
Sticky: SP14 & PH16 parts kit ID photos	0	tubes4hifi	6332	Fri Apr 03, 2015 1:57 am by tubes4hifi
Sticky: 32 FREE Dynaco tube and solid state assembly manuals available for download - links inside	4	Bob Latino	10786	Wed Dec 11, 2013 6:44 pm by peterh
Sticky: Quick troubleshooting guide for Dynaco tube amps	0	Bob Latino	11531	Thu Feb 11, 2010 2:03 pm by Bob Latino
Sticky: Post up your photos of your Dynaco or VTA gear at the link inside	0	Bob Latino	10759	Wed Mar 18, 2009 5:13 pm by Bob Latino
Sticky: Free Dynaco tube pictorials and schematics	0	Bob Latino	11659	Sun Nov 30, 2008 5:56 pm by Bob Latino
Little sound from left channel	1	Scillitoe	45	Yesterday at 5:14 pm by peterh
ST120 power section oscillation using Pavel's AB-Qi ST70/120 autobias board	9	HDroller	518	Yesterday at 2:24 am by pavlikkkk
ST-70 speaker question	8	dbster	271	Tue Sep 26, 2023 6:31 pm by Big Harry
ST70 Voltages High	3	moodyj2000	85	Tue Sep 26, 2023 4:27 pm by Bob Latino
Catastrophic failure of my VTA ST70	11	James_Weir	726	Fri Sep 22, 2023 1:10 pm by James_Weir
ST-70 Dual Rectifier V2 install questions	1	James_Weir	288	Fri Sep 22, 2023 3:25 am by James_Weir
Dynaco St-70 Driver Board Resistor	6	rudes	307	Thu Sep 21, 2023 8:55 am by WLT
Picture of ST-70	0	dbster	105	Wed Sep 20, 2023 7:28 pm by dbster
No sound from system	4	Dusterdave	144	Tue Sep 19, 2023 8:08 pm by Dusterdave
Music Stopped , Variac Fuse blue for VTA-120 Amp.	2	Hops	269	Sat Sep 16, 2023 6:44 pm by Hops
Dynaco MK III paint color question	0	WLT	166	Sat Sep 16, 2023 10:25 am by WLT
ST70 PCB Cover	4	MarkS57	290	Wed Sep 13, 2023 12:12 pm by StereoGaryo
Replaced my Genalex kT66 with the newer Tuns-sol 7581A tubes	18	truebluephil	1491	Wed Sep 13, 2023 9:54 am by knotscott
A stepped attenuator for your ST-70/ST-120	16	Bob Latino	10612	Tue Sep 12, 2023 9:55 am by Dan W
ST-120 Dual Rectifier Upgrade	1	penguinpages	525	Tue Sep 12, 2023 9:11 am by penguinpages
Paoli 60M questions	12	FritoP	819	Tue Sep 05, 2023 9:38 am by Wotan
Buzzing speaker noise and blue light in an output tube on start-up, ST-70	3	Aljaheejus	153	Sun Sep 03, 2023 9:33 pm by Big Harry
wiring new banana speaker posts with original ST 70 output transformers	3	James_Weir	398	Sat Sep 02, 2023 2:47 pm by Knobs
Adding auxillary filament transformer?	3	arficus	331	Tue Aug 29, 2023 10:10 am by New2Tubez
LM344 possible failure on vta st-70 driver board.	4	fzapped	210	Sun Aug 27, 2023 5:08 pm by Bob Latino
Wire Extension - Proper method	2	penguinpages	283	Sat Aug 26, 2023 4:53 pm by Big Harry
Need Help Getting Bias Right For KT66 On An Original ST70 1, 2	26	evangerardo	1328	Sat Aug 26, 2023 12:22 pm by Seamus
SDS LABS Capacitor Board Dynaco PAS 3	4	fmzip	254	Fri Aug 25, 2023 9:28 pm by fmzip
Tube Tester - Recommendations	8	penguinpages	813	Fri Aug 25, 2023 7:57 pm by Seamus
What to do?	8	settador	361	Fri Aug 25, 2023 10:12 am by settador
ST-120 - Debug / Repair Left Rear 20vdc	12	penguinpages	397	Thu Aug 24, 2023 10:01 pm by penguinpages
Speaker AB Switch	4	rwbaker	250	Sat Aug 19, 2023 12:52 am by peterh
Hiss/Whoosh Sound ST-120	13	krcrisp	505	Fri Aug 18, 2023 7:49 pm by tubes4hifi