The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Tubes4hifi VTA tube amp and preamp kits and all Dynakitparts.com products


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No new posts  Sticky:  tube rectifier "yellow sheet" diode mod 1, 2, ... , 4, 5100Roy Mottram31841View latest post Fri Oct 18, 2024 2:36 pm
by Seamus
No new posts  Sticky:  Run your Dynaco ST-70, Mark II, Mark III or Mark IV in TRIODE MODE - photo 1, 243Bob Latino16116View latest post Tue Oct 08, 2024 8:39 am
by Bob Latino
No new posts  Sticky:  tone controls? yes - or no ? 1, 241Roy Mottram14379View latest post Fri Dec 01, 2023 3:05 am
by Wharfcreek
No new posts  Sticky:  The tune of the day 1, 2, ... , 24, 25611deepee9922572View latest post Sat Feb 25, 2023 12:34 pm
by Doug_P
No new posts  Sticky:  PAS3 RIAA mod 17Roy Mottram11436View latest post Mon Jan 23, 2023 7:26 am
by carcy
No new posts  Sticky:  Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... 1, 231Bob Latino14378View latest post Fri Oct 08, 2021 8:50 pm
by Roy Mottram
No new posts  Sticky:  VTA ST-70, VTA ST-120 and VTA M-125 amplifier information 19Bob Latino15324View latest post Sat Jul 10, 2021 6:06 pm
by Bob Latino
No new posts  Sticky:  Dynaco lore - Differences between factory wired and kit built ST-70 - photos .. 1, 234Bob Latino17169View latest post Fri May 14, 2021 11:18 am
by traderthom
This topic is locked: you cannot edit posts or make replies.  Sticky:  info for posting on this forum 2Roy Mottram1806View latest post Sat Aug 24, 2019 10:04 pm
by Roy Mottram
No new posts  Sticky:  Dynaco ST-70 PC-3 driver board parts layout - photo ... 1, 237Bob Latino18373View latest post Mon Jun 25, 2018 1:38 pm
by dmagazz
No new posts  Sticky:  latest 2021 SP14 photos 0Roy Mottram5417View latest post Thu Feb 22, 2018 3:22 pm
by Roy Mottram
No new posts  Sticky:  Differences between the original ST-70 and my VTA ST-70 ? 6RockyAM13064View latest post Tue Jun 27, 2017 7:53 pm
by Bob Latino
No new posts  Sticky:  HOW TO POST A PHOTO on the Dynaco Tube Audio Forum 13Bob Latino10038View latest post Fri Jun 02, 2017 10:16 am
by Bob Latino
No new posts  Sticky:  Rebuild your Dynaco ST-35 power amp - photos .. 20Bob Latino13993View latest post Sat Apr 30, 2016 12:16 pm
by retepnommel
No new posts  Sticky:  Rebuilding your Dynaco ST-70 videos 0Bob Latino7547View latest post Tue Oct 27, 2015 1:18 pm
by Bob Latino
No new posts  Sticky:  32 FREE Dynaco tube and solid state assembly manuals available for download - links inside 4Bob Latino11370View latest post Wed Dec 11, 2013 6:44 pm
by peterh
This topic is locked: you cannot edit posts or make replies.  Sticky:  Quick troubleshooting guide for Dynaco tube amps 0Bob Latino12904View latest post Thu Feb 11, 2010 2:03 pm
by Bob Latino
No new posts  Sticky:  Place FOR SALE or WANTED audio related items in this STICKY thread 0Bob Latino41771View latest post Mon Apr 27, 2009 4:28 pm
by Bob Latino
No new posts  Sticky:  Post up your photos of your Dynaco or VTA gear at the link inside 0Bob Latino11169View latest post Wed Mar 18, 2009 5:13 pm
by Bob Latino
No new posts  Sticky:  Free Dynaco tube pictorials and schematics 0Bob Latino12624View latest post Sun Nov 30, 2008 5:56 pm
by Bob Latino
No new posts   SMT-334 Temperature Compensated for Better Image Stability 5Seamus390View latest post Today at 10:07 am
by billinrio
No new posts   5 year old ST70 build suddenly no sound , all tubes light up 8Tommytetrode300View latest post Sat Nov 02, 2024 7:27 pm
by knotscott
No new posts   New Member Dynaco ST-70 bias voltage 8Chris E.308View latest post Sun Oct 27, 2024 3:43 pm
by Chris E.
No new posts   Mark lll Transformers in Covers/Cans(?) 2TN Allen215View latest post Sun Oct 27, 2024 2:08 pm
by TN Allen
No new posts   ST-70 Quad Cap Wiring - Why Two Different Ways? 4maltboy1533View latest post Sun Oct 20, 2024 5:25 pm
by Bob Latino
No new posts   VTA ST-70 sensitive to switching input source 3medphys363View latest post Tue Oct 15, 2024 9:48 pm
by medphys
No new posts   60 AND 120 cycle hums, one per channel 3jklwood285View latest post Wed Oct 09, 2024 9:30 am
by Dave_in_Va
No new posts   Super Rectifier For ST-120 4jimmytamp511View latest post Sat Oct 05, 2024 4:54 pm
by jimmytamp
No new posts   Hammond AO-59-1 similaar to Mk III 5octavedoc634View latest post Sat Oct 05, 2024 2:47 am
by Victor
No new posts   ST-70 Woes 0jimmyb262View latest post Thu Oct 03, 2024 4:24 pm
by jimmyb
No new posts   Correct Bias Voltage for KT 66 tubes 15texbychoice804View latest post Mon Sep 30, 2024 10:00 am
by texbychoice
No new posts   New Tube Amp!!?? 1Santa Lee297View latest post Fri Sep 27, 2024 9:47 am
by knotscott
No new posts   Scratchy Noise in VTA ST-120 Amplifier 3Hops812View latest post Sun Sep 22, 2024 5:27 pm
by Hops
No new posts   New product - VTA driver board cover (photo) 1, 2, 355Bob Latino12086View latest post Sat Sep 14, 2024 9:30 am
by Mazen0822
No new posts   Speakers and the ST-70 9Steve Podski949View latest post Wed Sep 11, 2024 12:41 pm
by PNW DiY
No new posts   Dynaco PAT-4 Injects Hum when High Filter is Used 0arremondo136View latest post Tue Sep 10, 2024 10:22 am
by arremondo
No new posts   unstable bias M-125 monoblock 1Gerry Borghesi341View latest post Sun Sep 08, 2024 5:13 pm
by Seamus
No new posts   ST-70 with 4 5965 driver tubes 13Polexpete959View latest post Sun Sep 08, 2024 12:41 pm
by Solder Slinger
No new posts   ST120 HiGain to Octal board Problem 2geode332View latest post Fri Aug 30, 2024 12:09 pm
by geode
No new posts   Dynaco Stereo 70 Power Tubes Recommendations 2misterc57526View latest post Mon Aug 12, 2024 10:25 am
by knotscott
No new posts   NFB resistor 11Rec1149View latest post Tue Aug 06, 2024 7:13 pm
by texbychoice
No new posts   ST-70 Output Transformer 1rudes236View latest post Tue Aug 06, 2024 12:49 pm
by rudes
No new posts   2/3 Bias drop with hum on ST70 7jaygrady590View latest post Sun Jul 28, 2024 6:58 pm
by jaygrady
No new posts   Interesting ST70 comparison 3solderblob587View latest post Fri Jul 26, 2024 4:24 pm
by peterh
No new posts   Blown Bias Resistor - Did I Mess Up?  22jasn543551View latest post Tue Jul 23, 2024 4:46 pm
by Dan W
No new posts   custom st70 chassis 6Mazen0822602View latest post Thu Jul 11, 2024 11:04 pm
by Longwood
No new posts   Mk3 Driver Board 11MarkS57652View latest post Tue Jul 09, 2024 4:03 am
by jwb474
No new posts   ST-70 Power Transformer 14moodyj20003074View latest post Mon Jul 08, 2024 1:03 pm
by Roy Mottram
No new posts   ST-35 Output Transformer Ohms 4jwb474434View latest post Mon Jul 01, 2024 3:52 pm
by Dan W
No new posts   Power Supply Upgrade for PAS 2 -  10Mr Ridesglide595View latest post Wed Jun 26, 2024 6:06 pm
by Mr Ridesglide
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