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  Announcement:  dual rectifiers for ST120 & ST70 amps 1, 230Roy Mottram4146View latest post Sat Dec 02, 2023 6:27 pm
by GAflubug
No new posts  Announcement:  Tubes IN STOCK - Tung-Sol, Gold Lion, Electro-Harmonix, Svetlana, Sovtek, JJ 2Dan W878View latest post Thu Sep 07, 2023 9:00 pm
by Dan W
No new posts  Announcement:  blown tubes 0Roy Mottram1377View latest post Thu Jun 08, 2023 7:51 pm
by Roy Mottram
No new posts   MIA MK III Boards from Tubes4hifi? 5tubed1980View latest post Sat Sep 01, 2018 12:17 pm
by Roy Mottram
No new posts   SCA-35 squeals when powering up 5dockbuster573View latest post Sat Sep 01, 2018 2:22 am
by peterh
No new posts   Best SS Dyna preamp? 5wildiowa1774View latest post Thu Aug 30, 2018 5:05 pm
by Dale Stevens
No new posts   Mil spec bias pot 3ttownscott655View latest post Tue Aug 28, 2018 7:43 pm
by DynakitParts
No new posts   Exciters used for speakers 8CNCfan685View latest post Tue Aug 28, 2018 1:17 pm
by Peter W.
No new posts   Which hammond power transformer for a ST70 clone 7starwatcher5757View latest post Tue Aug 28, 2018 12:59 am
by starwatcher
No new posts   VTA ST-70 strange initial start-up 18Brap1543View latest post Fri Aug 24, 2018 11:45 am
by Brap
No new posts   On Pre-Amps 1, 237Peter W.3299View latest post Fri Aug 24, 2018 10:28 am
by dmagazz
No new posts   What to do with the front panel octals after adding autobias board. 2dacer38794View latest post Fri Aug 24, 2018 10:05 am
by peterh
No new posts   5R4WGB rectifier tube 4billd4507View latest post Wed Aug 22, 2018 4:19 am
by billd
No new posts   Auto-bias Upgrade Decision 21Falcon46463418View latest post Tue Aug 21, 2018 1:37 am
by CNCfan
No new posts   Revived ST-70 0pmorrissey619View latest post Mon Aug 20, 2018 7:53 pm
by pmorrissey
No new posts   Can you hear the difference in audio quality? 3Zimmer641055View latest post Thu Aug 16, 2018 6:01 pm
by sKiZo
No new posts   On the use of a preamp to improve sound quality with VTA70 1, 2, ... , 5, 6148rjpjnk7689View latest post Tue Aug 14, 2018 11:39 pm
by corndog71
No new posts   PAS-3 I replaced the selector switch and messed something else up. 2JohnM24018505View latest post Tue Aug 14, 2018 3:27 pm
by j beede
No new posts   ST-70 Volume control nut 0Brap525View latest post Mon Aug 13, 2018 11:52 am
by Brap
No new posts   Power Tubes 2bluemeanies1153View latest post Mon Aug 13, 2018 8:39 am
by bluemeanies
No new posts   Cables Make a Difference 13VTHokie831855View latest post Mon Aug 13, 2018 8:31 am
by Peter W.
No new posts   Were Audio Research and tubes4Hifi (VTA) related at one point? 1rjpjnk980View latest post Sun Aug 12, 2018 9:49 pm
by Bob Latino
No new posts   power consumption 19dmagazz2143View latest post Sun Aug 12, 2018 2:52 pm
by dmagazz
No new posts   Posting a PDF or Text File attachment 2jwb474438View latest post Sun Aug 12, 2018 12:35 pm
by Bob Latino
No new posts   st-120 unbalanced L-R output ? 10tajanes873View latest post Thu Aug 09, 2018 9:19 pm
by tajanes
No new posts   Heathkit tube checker specs 3baddog19462009View latest post Tue Aug 07, 2018 6:05 pm
by baddog1946
No new posts   eBay, Already! 1, 225Peter W.2021View latest post Tue Aug 07, 2018 10:14 am
by dmagazz
No new posts   better port for usb soundcard  0dmagazz517View latest post Mon Aug 06, 2018 7:18 pm
by dmagazz
No new posts   Speaker posts 2musicgeorge11789View latest post Sat Aug 04, 2018 8:12 am
by musicgeorge11
No new posts   Hello from a Tube Wanna Be.. Yet Another Rectifier Question! 10Itchy1365View latest post Wed Aug 01, 2018 10:05 pm
by Tubes4ever
No new posts   Is this speaker selector switch save with the VTA ST-120? 6almonds896View latest post Wed Aug 01, 2018 2:34 pm
by jimmeq
No new posts   M125's + Bucker Update 4LeGrace935View latest post Tue Jul 31, 2018 6:50 pm
by CletusB
No new posts   Distortion and Hum ??? 16jimmeq1588View latest post Thu Jul 26, 2018 3:11 pm
by peterh
No new posts   Running a PH-16 into an ST-120 with the 21 step attenuator in phono only system. Any benefit to a preamp?  11seeirwin795View latest post Wed Jul 25, 2018 1:40 pm
by Roy Mottram
No new posts   Best audio from your computer? 1, 2, 363SUNNFRK4862View latest post Wed Jul 25, 2018 10:44 am
by solderblob
No new posts   12AU7W / 6189 Hum 3jimmeq564View latest post Fri Jul 20, 2018 1:37 pm
by jimmeq
No new posts   .047uf 630v caps? on driver board. 7dmagazz1034View latest post Thu Jul 19, 2018 9:31 pm
by dmagazz
No new posts   How should I punch 3" by 3" holes in the original ST-70 cage for additional ventilation? 1, 231Kentley2186View latest post Mon Jul 16, 2018 10:30 pm
by Kentley
No new posts   Rectifier damaged? 5hwaitung890View latest post Mon Jul 16, 2018 9:36 pm
by sKiZo
No new posts   cool RCA tube manufacture video(how its made) 7dmagazz700View latest post Sun Jul 15, 2018 7:01 pm
by dmagazz
No new posts   good read on the st 70 i found ( the inside story dynaco) 2dmagazz711View latest post Tue Jul 10, 2018 3:42 pm
by dmagazz
No new posts   Silver Wire Interconnects 1, 2, 3, 487Kramer4428View latest post Tue Jul 10, 2018 3:33 pm
by dmagazz
No new posts   PH-16 Issues 12thermionicvinyl1197View latest post Mon Jul 09, 2018 12:43 pm
by Peter W.
No new posts   6GH8 / 6EA8 2Pillo69929View latest post Wed Jul 04, 2018 7:44 pm
by Pillo69
No new posts   Is there any finer tube than a GEC KT88? 21deepee994354View latest post Wed Jul 04, 2018 5:01 pm
by Guest
No new posts   Popping/Crackling coming from VTA 120 (Not the speakers) 6Dneu2011785View latest post Tue Jul 03, 2018 9:55 pm
by Dneu2011
No new posts   voltage reading results are in, changed selenium,changed quad cap and driver board caps . 0dmagazz680View latest post Fri Jun 29, 2018 5:37 pm
by dmagazz
No new posts   ST-120 Issues 12thermionicvinyl860View latest post Fri Jun 29, 2018 3:54 pm
by thermionicvinyl
No new posts   The (hopefully) future of electricity! 3corndog71766View latest post Fri Jun 29, 2018 9:08 am
by Peter W.
No new posts   ok..think im sorta bamboozled!  5dmagazz1082View latest post Wed Jun 27, 2018 8:15 pm
by dmagazz
No new posts   VTA ST-120, Decade of enjoyment. 2ArlanB710View latest post Tue Jun 26, 2018 9:52 pm
by ArlanB
No new posts   quad bias control ?  5dmagazz957View latest post Tue Jun 26, 2018 8:10 pm
by dmagazz
No new posts   Protect your "package" .. There truly is something new every day .. 7Bob Latino1000View latest post Mon Jun 25, 2018 7:12 pm
by Kentley
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