The Dynaco Tube Audio Forum

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


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No new posts  Announcement:  PAS3 preamp upgrades & modifications 2tubes4hifi4131View latest post on Fri Jun 30, 2017 12:43 am
by westcoast-1
No new posts  Sticky:  Place FOR SALE or WANTED audio related items in this STICKY thread 10Bob Latino27033View latest post on Thu Jun 29, 2017 10:35 am
by westcoast-1
No new posts  Sticky:  Differences between the original ST-70 and my VTA ST-70 ? 7RockyAM9697View latest post on 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 Latino6527View latest post on Fri Jun 02, 2017 10:16 am
by Bob Latino
No new posts  Sticky:  VTA ST-70 assembly video and new bias recommendations for all VTA amps 8Bob Latino3200View latest post on Thu Mar 30, 2017 2:43 pm
by Peter W.
No new posts  Sticky:  SAFETY - read me! 2tubes4hifi3548View latest post on Thu Mar 02, 2017 11:54 am
by Peter W.
No new posts  Sticky:  Dynaco ST-70 PC-3 driver board parts layout - photo ... 1, 236Bob Latino11521View latest post on Thu Feb 23, 2017 8:50 pm
by Bob Latino
No new posts  Sticky:  HDTV free calibration 2tubes4hifi755View latest post on Sun Feb 19, 2017 5:59 pm
by sKiZo
No new posts  Sticky:  tube rectifier diode mod 1, 2, 3, 475tubes4hifi13774View latest post on Sun Dec 04, 2016 2:55 pm
by ejc
No new posts  Sticky:  Dynaco lore - Differences between factory wired and kit built ST-70 - photos .. 1, 230Bob Latino10479View latest post on Tue Oct 18, 2016 10:32 am
by audiofreak1954
No new posts  Sticky:  PAS3 RIAA mod 14tubes4hifi5048View latest post on Wed Aug 10, 2016 2:13 pm
by Peter W.
No new posts  Sticky:  fully modified PAS3 - or a new SP12 ?? 5tubes4hifi5075View latest post on Sat Jul 09, 2016 10:08 pm
by jimmytamp
No new posts  Sticky:  Rebuild your Dynaco ST-35 power amp - photos .. 20Bob Latino11122View latest post on Sat Apr 30, 2016 12:16 pm
by retepnommel
No new posts  Sticky:  Rebuilding your Dynaco ST-70 videos 0Bob Latino1943View latest post on Tue Oct 27, 2015 1:18 pm
by Bob Latino
No new posts  Sticky:  OCTAL DRIVER BOARD - POWER TRANSFORMER 0tubes4hifi2549View latest post on Wed Sep 16, 2015 2:24 pm
by tubes4hifi
No new posts  Sticky:  tone controls? yes - or no ? 13tubes4hifi9720View latest post on Sat Sep 12, 2015 7:23 pm
by Dave_in_Va
No new posts  Sticky:  Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... 1, 229Bob Latino10487View latest post on Fri Apr 03, 2015 10:57 pm
by tubes4hifi
No new posts  Sticky:  SP14 & PH16 parts kit ID photos 0tubes4hifi2362View latest post on Fri Apr 03, 2015 1:57 am
by tubes4hifi
No new posts  Sticky:  Run your Dynaco ST-70, Mark II, Mark III or Mark IV in TRIODE MODE - photo 1, 234Bob Latino11203View latest post on Wed Mar 11, 2015 9:59 am
by cheehpogi
No new posts  Sticky:  32 FREE Dynaco tube and solid state assembly manuals available for download - links inside 4Bob Latino10135View latest post on 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 Latino10075View latest post on Thu Feb 11, 2010 2:03 pm
by Bob Latino
No new posts  Sticky:  Dynaco ST-70 original driver boards - early and later versions - photos ... 1Bob Latino8156View latest post on Tue May 26, 2009 10:40 pm
by fortherecord
No new posts  Sticky:  Post up your photos of your Dynaco gear at the link inside 0Bob Latino9324View latest post on Wed Mar 18, 2009 5:13 pm
by Bob Latino
No new posts  Sticky:  Free Dynaco tube pictorials 0Bob Latino10436View latest post on Sun Nov 30, 2008 5:56 pm
by Bob Latino
No new posts  Sticky:  Free Dynaco tube schematics 0Bob Latino11032View latest post on Sun Nov 30, 2008 5:35 pm
by Bob Latino
No new posts   New to the Forum & new owner of a ST-120; Tube questions 1DavidR47View latest post Today at 3:06 am
by peterh
No new posts   wharfedale w-70 opinioms ? 1scottlowe7649View latest post Today at 12:09 am
by billd
No new posts   The tune of the day 1, 2, ... , 10, 11268deepee9911328View latest post Yesterday at 10:10 pm
by Kentley
No new posts   Roll Your Own Capacitors 5GP49164View latest post Yesterday at 6:45 pm
by Dogstar
No new posts   Trouble shooting Dynaco A40XL Speakers 6Mad Dog Cycles231View latest post Yesterday at 11:18 am
by deepee99
No new posts   Hum reduction quest - solved ! 1, 2, 357LeGrace1211View latest post on Tue Aug 15, 2017 11:01 am
by wgallupe
No new posts   Simultaneous Speaker/Headphone listening. 1Kentley175View latest post on Sun Aug 13, 2017 10:45 pm
by Kentley
No new posts   2 Different Output Tubes in 1 Amp 13Dogstar421View latest post on Sat Aug 12, 2017 11:59 am
by deepee99
No new posts   tube socket and pin connections .  23scottlowe76697View latest post on Thu Aug 10, 2017 2:20 pm
by Peter W.
No new posts   Do rectifier tubes need to burn in too? 10jfine357View latest post on Mon Aug 07, 2017 11:45 pm
by Dogstar
No new posts   Mystery ST-120 Problem, Solved 16arledgsc552View latest post on Sun Aug 06, 2017 4:03 pm
by sKiZo
No new posts   M125 cage? 15Sadface1281View latest post on Sat Aug 05, 2017 9:35 pm
by jfine
No new posts   How can I modify ST-120 to have a load on the speaker terminals with no speakers attached? 11calauver1521View latest post on Sat Aug 05, 2017 10:31 am
by sKiZo
No new posts   Which one is the TUBE amp ? blind test .. 3Bob Latino240View latest post on Sat Aug 05, 2017 12:48 am
by jfine
No new posts   My 6SN7 review. 12Dogstar835View latest post on Sat Aug 05, 2017 12:41 am
by jfine
No new posts   Retubed ST-120 11arledgsc426View latest post on Thu Aug 03, 2017 12:40 pm
by arledgsc
No new posts   Variac's on sale right now at Circuit Specialists in AZ 1, 2, 354Bob Latino2303View latest post on Wed Aug 02, 2017 5:26 pm
by deepee99
No new posts   Psa3 modified 1russ99126View latest post on Wed Aug 02, 2017 11:04 am
by Peter W.
No new posts   Moving, need suggestions 15oldvstar387View latest post on Wed Jul 26, 2017 9:39 pm
by deepee99
No new posts   vt st70 socket pin question 1rymi163View latest post on Tue Jul 25, 2017 5:56 pm
by Bob Latino
No new posts   Why Vinyl's Boom Is Over 18deepee99503View latest post on Tue Jul 25, 2017 9:13 am
by corndog71
No new posts   ST-120 is down!! Stripped Speaker Screw 5arledgsc322View latest post on Sun Jul 23, 2017 10:05 am
by arledgsc
No new posts   Bias checking frequency 17LeGrace546View latest post on Sat Jul 22, 2017 3:16 am
by deepee99
No new posts   PAS-2 Voltage Woes after Z-Mod and Upgraded Power Supply Board 6deathman68792View latest post on Fri Jul 21, 2017 5:32 pm
by mdye
No new posts   Tube Tester 22Ernstmach512View latest post on Fri Jul 21, 2017 4:43 pm
by peterh
No new posts   Pilot SP-264 3Mandopicker456View latest post on Fri Jul 21, 2017 1:24 am
by Mandopicker
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