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:  Capacitor in original ST-70 1rmweisman142View latest post Fri Jul 23, 2021 10:16 pm
by 1973shovel
No new posts  Sticky:  The tune of the day 1, 2, ... , 23, 24595deepee9916234View latest post Mon Jul 19, 2021 12:09 pm
by DavidR
No new posts  Sticky:  VTA ST-70, VTA ST-120 and VTA M-125 amplifier information 19Bob Latino10394View 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 Latino11963View latest post Mon Jul 05, 2021 11:59 am
by jrethorst
No new posts  Sticky:  SP12 preamp revisited 24tubes4hifi5079View latest post Wed Jun 16, 2021 1:09 pm
by solderblob
No new posts  Sticky:  Dynaco lore - Differences between factory wired and kit built ST-70 - photos .. 1, 234Bob Latino10952View latest post Fri May 14, 2021 11:18 am
by traderthom
No new posts  Sticky:  Place FOR SALE or WANTED audio related items in this STICKY thread 7Bob Latino32622View latest post Thu May 13, 2021 11:28 am
by Dave_in_Va
No new posts  Sticky:  fully modified PAS3 - or a new SP12 ?? 7tubes4hifi9790View latest post Sun May 02, 2021 3:27 am
by GP49
No new posts  Sticky:  tone controls? yes - or no ? 1, 232tubes4hifi10617View latest post Thu Apr 08, 2021 11:29 am
by New2Tubez
No new posts  Sticky:  tube rectifier "yellow sheet" diode mod 1, 2, 3, 495tubes4hifi15608View 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 2tubes4hifi956View latest post Sat Aug 24, 2019 10:04 pm
by tubes4hifi
No new posts  Sticky:  latest 2018 SP14 photos 4tubes4hifi3733View latest post Tue Jan 15, 2019 2:04 pm
by bbqjoe
No new posts  Sticky:  Dynaco ST-70 PC-3 driver board parts layout - photo ... 1, 237Bob Latino12090View latest post Mon Jun 25, 2018 1:38 pm
by dmagazz
No new posts  Sticky:  Differences between the original ST-70 and my VTA ST-70 ? 7RockyAM10361View 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 Latino8978View 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 Latino11317View latest post Sat Apr 30, 2016 12:16 pm
by retepnommel
No new posts  Sticky:  PAS3 RIAA mod 12tubes4hifi8544View latest post Wed Dec 09, 2015 10:30 pm
by denny9167
No new posts  Sticky:  Rebuilding your Dynaco ST-70 videos 0Bob Latino5730View latest post Tue Oct 27, 2015 1:18 pm
by Bob Latino
No new posts  Sticky:  Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... 1, 229Bob Latino10680View latest post Fri Apr 03, 2015 10:57 pm
by tubes4hifi
No new posts  Sticky:  SP14 & PH16 parts kit ID photos 0tubes4hifi5364View 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 Latino10368View latest post Wed Dec 11, 2013 6:44 pm
by peterh
No new posts  Sticky:  SAFETY - read me! 1tubes4hifi6445View latest post Thu Jul 18, 2013 9:04 pm
by sKiZo
This topic is locked: you cannot edit posts or make replies.  Sticky:  Quick troubleshooting guide for Dynaco tube amps 0Bob Latino10387View 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 Latino10212View latest post Wed Mar 18, 2009 5:13 pm
by Bob Latino
No new posts  Sticky:  Free Dynaco tube pictorials and schematics 0Bob Latino10794View latest post Sun Nov 30, 2008 5:56 pm
by Bob Latino
No new posts   Restore Three Mark II Amps 0johnmeyer13View latest post Today at 4:04 pm
by johnmeyer
No new posts   Hum/Hiss/Static out of Left Channel (Speaker) 11Chipster1969503View latest post Today at 3:39 pm
by peterh
No new posts   When replacing the PC 5 board with new on the PAS-2 soldered clips 4bubbasweet66View latest post Today at 11:41 am
by bubbasweet
No new posts   Speaker terminal wiring for VTA70 upgrade 4erniegiro403View latest post Today at 8:15 am
by Bob Latino
No new posts   Driver tube replacement 1Sfguitarworks118View latest post Today at 1:03 am
by peterh
No new posts   SP14 hum during warmup 1bobgroger214View latest post Yesterday at 2:00 pm
by DavidR
No new posts   VTA st-70 amplifier 1Latts181View latest post Sun Jul 25, 2021 11:43 am
by Bob Latino
No new posts   AB-Q-ST70-ST120 Board Warranty 1aguaazul524View latest post Sun Jul 25, 2021 1:56 am
by pavlikkkk
No new posts   ST-70 - Can Not Set Bias 4Philagot320View latest post Sat Jul 24, 2021 11:11 pm
by tuberadios69
No new posts   Lost the heater on the left 12AT7 of my ST-120 2antipodean418View latest post Sat Jul 24, 2021 9:19 pm
by antipodean
No new posts   M125 AutoBias Goes Out 7IntarsiaGuy583View latest post Sat Jul 24, 2021 9:06 pm
by vinylhead
No new posts   Post a PDF File 0jwb47483View latest post Sat Jul 24, 2021 3:13 am
by jwb474
No new posts   Individual Tube Fuses - Easy Swap Out Method - Auto-Bias Board Users  19aguaazul1841View latest post Wed Jul 21, 2021 3:29 pm
by edman44
No new posts   Wire wrapping two wires. 3edman44364View latest post Wed Jul 21, 2021 12:01 pm
by edman44
No new posts   Dynaco Center Channel 1, 227sKiZo9145View latest post Wed Jul 14, 2021 8:25 pm
by dmagazz
No new posts   Pas 2 Problem water running sound one side. 13bubbasweet589View latest post Mon Jul 12, 2021 3:04 pm
by bubbasweet
No new posts   ST-120 low output left channel - fixed ! 4grosen464View latest post Thu Jul 08, 2021 8:58 pm
by grosen
No new posts   Poor man's solid state replacement rectifier for Dynaco ST-70, Mark II, Mark III or Mark IV 7Bob Latino10137View latest post Mon Jul 05, 2021 7:09 pm
by Sfguitarworks
No new posts   SS vs Tube Rectifier??? 12Rbertalotto799View latest post Mon Jul 05, 2021 3:41 pm
by Tubes4ever
No new posts   http://www.tubes4hifi.com/MK3.htm 7solderblob523View latest post Fri Jul 02, 2021 5:08 pm
by solderblob
No new posts   Mk III zero bias voltage on one tube 8solderblob480View latest post Fri Jul 02, 2021 9:15 am
by solderblob
No new posts   Tube question 1DavidR411View latest post Tue Jun 29, 2021 10:54 pm
by DavidR
No new posts   ST120 Input Impedance 2Rbertalotto184View latest post Tue Jun 29, 2021 8:07 am
by Rbertalotto
No new posts    Did My Output Transformer Go Bad - Dyna/VTA 70 4knotscott615View latest post Tue Jun 29, 2021 7:03 am
by knotscott
No new posts   Slight background crackle--can the source be a rectifier tube? 6jsl1234619View latest post Mon Jun 28, 2021 7:28 am
by Rbertalotto
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