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:  Original ST-70 chassis platform question 0retroaudiopro76114View latest post Thu Jan 13, 2022 1:13 am
by retroaudiopro76
No new posts  Sticky:  The tune of the day 1, 2, ... , 24, 25604deepee9916440View latest post Sat Jan 08, 2022 11:52 am
by DavidR
No new posts  Sticky:  Place FOR SALE or WANTED audio related items in this STICKY thread 11Bob Latino33262View latest post Tue Dec 21, 2021 11:01 pm
by MechEngVic
No new posts  Sticky:  PAS3 RIAA mod 13tubes4hifi9092View latest post Mon Nov 15, 2021 6:06 pm
by mark four
No new posts  Sticky:  Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... 1, 231Bob Latino10775View latest post Fri Oct 08, 2021 8:50 pm
by tubes4hifi
No new posts  Sticky:  SP12 preamp revisited 1tubes4hifi6184View latest post Sat Sep 04, 2021 5:42 pm
by tubes4hifi
This topic is locked: you cannot edit posts or make replies.  Sticky:  Tubes4HiFi VTA preamp and amplifier business update 0tubes4hifi1267View latest post Sun Aug 29, 2021 10:38 pm
by tubes4hifi
No new posts  Sticky:  VTA ST-70, VTA ST-120 and VTA M-125 amplifier information 19Bob Latino10517View latest post Sat Jul 10, 2021 6:06 pm
by Bob Latino
No new posts  Sticky:  Run your Dynaco ST-70, Mark II, Mark III or Mark IV in TRIODE MODE - photo 1, 241Bob Latino12006View latest post Mon Jul 05, 2021 11:59 am
by jrethorst
No new posts  Sticky:  Dynaco lore - Differences between factory wired and kit built ST-70 - photos .. 1, 234Bob Latino10986View latest post Fri May 14, 2021 11:18 am
by traderthom
No new posts  Sticky:  tone controls? yes - or no ? 1, 232tubes4hifi10658View latest post Thu Apr 08, 2021 11:29 am
by New2Tubez
No new posts  Sticky:  tube rectifier "yellow sheet" diode mod 1, 2, 3, 495tubes4hifi15731View latest post Fri Mar 12, 2021 3:59 pm
by fedoragent
This topic is locked: you cannot edit posts or make replies.  Sticky:  info for posting on this forum 2tubes4hifi1131View latest post Sat Aug 24, 2019 10:04 pm
by tubes4hifi
No new posts  Sticky:  Dynaco ST-70 PC-3 driver board parts layout - photo ... 1, 237Bob Latino12121View latest post Mon Jun 25, 2018 1:38 pm
by dmagazz
No new posts  Sticky:  latest 2021 SP14 photos 0tubes4hifi4116View latest post Thu Feb 22, 2018 3:22 pm
by tubes4hifi
No new posts  Sticky:  Differences between the original ST-70 and my VTA ST-70 ? 7RockyAM10381View 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 Latino9159View 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 Latino11335View latest post Sat Apr 30, 2016 12:16 pm
by retepnommel
No new posts  Sticky:  Rebuilding your Dynaco ST-70 videos 0Bob Latino6069View latest post Tue Oct 27, 2015 1:18 pm
by Bob Latino
No new posts  Sticky:  SP14 & PH16 parts kit ID photos 0tubes4hifi5629View latest post Fri Apr 03, 2015 1:57 am
by tubes4hifi
No new posts  Sticky:  32 FREE Dynaco tube and solid state assembly manuals available for download - links inside 4Bob Latino10393View 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 Latino10428View latest post Thu Feb 11, 2010 2:03 pm
by Bob Latino
No new posts  Sticky:  Post up your photos of your Dynaco or VTA gear at the link inside 0Bob Latino10227View latest post Wed Mar 18, 2009 5:13 pm
by Bob Latino
No new posts  Sticky:  Free Dynaco tube pictorials and schematics 0Bob Latino10828View latest post Sun Nov 30, 2008 5:56 pm
by Bob Latino
No new posts   new amp style for 2022 19tubes4hifi1398View latest post Tue Jan 18, 2022 10:34 pm
by corndog71
No new posts   Auto Bias board for VTA ST120 - do the LEDs really need to be visible 3ChetJettison144View latest post Tue Jan 18, 2022 3:43 pm
by New2Tubez
No new posts   ST-120 Rectifier Options? 1098indypacer279View latest post Tue Jan 18, 2022 10:06 am
by 98indypacer
No new posts   PAS3 blend switch anyone ? 7peterh215View latest post Tue Jan 18, 2022 3:54 am
by peterh
No new posts   SP9 Preamp Hum - Only w/Phono Tubes 0tjplatt57View latest post Mon Jan 17, 2022 10:32 pm
by tjplatt
No new posts   Comprehensive tube list??? 9Rbertalotto933View latest post Mon Jan 17, 2022 8:12 pm
by hottyson
No new posts   ST120 click/flash in one tube 14grosen607View latest post Sun Jan 16, 2022 7:00 pm
by peterh
No new posts   New construction st120 1, 228jonny63362882View latest post Sat Jan 15, 2022 12:37 pm
by jonny6336
No new posts   VTA-120 all in 1 (almost) PCB 8Chad Spackman695View latest post Sat Jan 15, 2022 9:43 am
by Chad Spackman
No new posts   Dynaco Stereo 70 Bias Adjust Issue 9misterc57203View latest post Fri Jan 14, 2022 4:25 pm
by Bob Latino
No new posts   ignore, posted in the wrong place. 0misterc5782View latest post Fri Jan 14, 2022 4:06 pm
by misterc57
No new posts   chassis voltage  11dmagazz629View latest post Fri Jan 14, 2022 11:25 am
by Seamus
No new posts   Driver board options 11Telescope12853View latest post Thu Jan 13, 2022 11:17 pm
by KevinR
No new posts   M-125 break-in with Dummy load resistor. 2Beanhead131View latest post Wed Jan 12, 2022 5:15 pm
by Beanhead
No new posts   VTA SP12 and PH12 Build Thread 1, 2, ... , 5, 6141edgobb11346View latest post Wed Jan 12, 2022 4:08 pm
by duder1982
No new posts   new amp style - vote your opinion ! 1, 232tubes4hifi1716View latest post Sun Jan 09, 2022 2:24 pm
by New2Tubez
No new posts   Gold Lion KT88 vs Tung-Sol 6550 vs Tung-Sol KT120 for use with ST120? 12ChetJettison927View latest post Sat Jan 08, 2022 7:07 pm
by rayton
No new posts   Panor / Dynaco ST80 - distortion one channel at higher volumes 12boeingpilot887View latest post Fri Jan 07, 2022 6:26 am
by boeingpilot
No new posts   Fuse - ST120 Fast Slow..  9penguinpages386View latest post Fri Jan 07, 2022 1:47 am
by tubes4hifi
No new posts   PAS Signal Chain Weirdness... What should a square wave look like as it goes through the gain stages? 4kenmwallace312View latest post Fri Jan 07, 2022 1:39 am
by tubes4hifi
No new posts   PAS3X Phono Pre-amp 2radiojer270View latest post Thu Jan 06, 2022 2:12 pm
by audioregenesis
No new posts   Hook up wire for SP12/PH6 combo 1duder1982197View latest post Sun Jan 02, 2022 10:52 pm
by duder1982
No new posts   Taking a brake everyone....:-)  2Tom Pickett531View latest post Thu Dec 30, 2021 5:55 pm
by New2Tubez
No new posts   Original Dynaco ST-70 120hz intermittent low hum with new EL34 tubes 5Bainbridge526View latest post Wed Dec 29, 2021 2:41 pm
by Seamus
No new posts   Hum problem on one channel 6Telescope12241View latest post Wed Dec 29, 2021 11:50 am
by corndog71
No new posts   ST-70 VTA Driver and Triode Cap Board upgrade results. 0Sfguitarworks265View latest post Mon Dec 27, 2021 6:15 pm
by Sfguitarworks
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