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   ST 70 bias, line voltage, etc. 2Big Hat679View latest post Fri Jun 25, 2021 6:38 pm
by Big Hat
No new posts   power switch noise 4j beede2320View latest post Fri Jun 25, 2021 8:29 am
by stevebro
No new posts   Analog Bias Meters For The VTA ST-120 10Tom Pickett1437View latest post Tue Jun 22, 2021 7:17 pm
by edman44
No new posts   Tubes for ST-70 6brian8599860View latest post Sat Jun 19, 2021 10:41 pm
by MechEngVic
No new posts   ST-120 DONE! Videos 1Rbertalotto551View latest post Sat Jun 19, 2021 3:23 pm
by edman44
No new posts   Tube Life - Heat Fins 5penguinpages744View latest post Fri Jun 18, 2021 10:55 pm
by DesignInc
No new posts   New Driver Tubes 12C101110View latest post Fri Jun 18, 2021 2:41 pm
by New2Tubez
No new posts   Speaker load on ST-120 8monkuboy723View latest post Wed Jun 16, 2021 7:59 pm
by aguaazul
No new posts   VTA-ST120 with no speakers connected??? 1Rbertalotto366View latest post Wed Jun 16, 2021 9:33 am
by peterh
No new posts   Received my Solid State VTA Rectifier kit today 6Rbertalotto873View latest post Wed Jun 16, 2021 7:48 am
by Rec
No new posts   Sheldon Stokes PAS Cap Board instructions 8Mark Korda561View latest post Tue Jun 15, 2021 12:39 pm
by peterh
No new posts   Where, Oh Where?  1Earl388View latest post Sat Jun 12, 2021 3:27 am
by buchela
No new posts   Red Glow in Front Right EL34 of ST-70? 9Simonism1167View latest post Sat Jun 12, 2021 1:04 am
by Mark Korda
No new posts   Removing Dynaco A10 grilles? 6Luddite2582View latest post Fri Jun 11, 2021 3:13 pm
by JohnV
No new posts   Trying to PM a member… 0New2Tubez263View latest post Fri Jun 11, 2021 1:22 pm
by New2Tubez
No new posts   Guidance needed for a beginner - Mark II restoration ?'s 10JayMX1393View latest post Mon Jun 07, 2021 12:10 pm
by 1973shovel
No new posts   VTA ST-120 Ground Fault Trips 3Hops496View latest post Thu Jun 03, 2021 6:36 pm
by DavidR
No new posts   ST70 build.  1ELBill34574View latest post Thu Jun 03, 2021 3:01 pm
by MechEngVic
No new posts   VTA ST-70 bias problem following catastrophic rectifier failure(s) 9Dougbot994View latest post Tue Jun 01, 2021 5:25 pm
by JXBJXB
No new posts   SP14 Build question - Ground from volume 2IntarsiaGuy321View latest post Mon May 31, 2021 8:14 pm
by IntarsiaGuy
No new posts   My trusted original Dynaco ST-70 with VTA mod showed holys moke :shock:  5dynacophil794View latest post Fri May 28, 2021 12:14 pm
by Jim McShane
No new posts   VTA-ST-70 noise after power down 3fzapped392View latest post Wed May 26, 2021 12:25 pm
by peterh
No new posts   I tried a set of Gold Lion KT66 tubes????? 19opti-mos pat10287View latest post Wed May 26, 2021 9:48 am
by Brap
No new posts   Can someone review my MK III voltages? 9EWALAA620View latest post Sat May 22, 2021 10:23 pm
by EWALAA
No new posts   The Differences between the GZ33, 34, 37 8Tom Pickett870View latest post Tue May 18, 2021 1:45 pm
by Corona
No new posts   My progress on my VTA ST 120 16Tom Pickett1296View latest post Mon May 17, 2021 11:11 pm
by Tom Pickett
No new posts   Restoring a Stereo 70 Series II 2Andy B565View latest post Sun May 16, 2021 12:08 pm
by Solder Slinger
No new posts   ST-70 Rebuilt with VTA Octal Board 2texbychoice593View latest post Sun May 16, 2021 9:13 am
by ELBill34
No new posts   TubeDepot..... 2Tom Pickett634View latest post Sat May 15, 2021 7:26 pm
by knotscott
No new posts   Adding A choke To My ST-35 Kit Amp 15JimOfOakCreek2756View latest post Sat May 15, 2021 11:16 am
by corndog71
No new posts   My VTA ST 120 Faceplate  9Tom Pickett525View latest post Fri May 14, 2021 8:39 pm
by bobgroger
No new posts   4 ohm speakers 5Latts407View latest post Thu May 13, 2021 9:29 am
by Latts
No new posts   ST70 hum when PAM1 is connected to the takeoff socket 1, 230antsap2040View latest post Wed May 12, 2021 5:14 pm
by drbubble
No new posts   WZ68 Copper cap tear down 8Rec784View latest post Wed May 12, 2021 2:02 pm
by Tom Pickett
No new posts   VTA ST-70 Rectifier tube 2Latts531View latest post Sat May 08, 2021 7:56 pm
by Tom Pickett
No new posts   Connecting a subwoofer (passive) to a Dynaco Mark 111 0AcE198View latest post Sat May 08, 2021 1:50 pm
by AcE
No new posts   My VTA ST 120 5Tom Pickett438View latest post Wed May 05, 2021 4:47 pm
by Tom Pickett
No new posts   M-125 new(er) build - copper cap rectifier 1, 233JXBJXB1772View latest post Mon May 03, 2021 5:43 pm
by Tom Pickett
No new posts   My VTA ST 120 Mods 2Tom Pickett637View latest post Mon May 03, 2021 2:18 am
by Tom Pickett
No new posts   PAS3 Problem: Cannot reduce volume level to be quiet. 6martin468View latest post Sun May 02, 2021 3:18 am
by GP49
No new posts   Pre-Amp - HiFi Newbie 6penguinpages744View latest post Sat May 01, 2021 6:04 pm
by Hops
No new posts   OLD VTA driver board vs NEW driver board 41bigpig508View latest post Fri Apr 30, 2021 8:31 am
by Bob Latino
No new posts   Wanted: PA 521 or PA 060 transformer 5Kevin363View latest post Thu Apr 29, 2021 12:59 pm
by Tom Pickett
No new posts   Getting the itch to roll again 1dmoorecincy242View latest post Thu Apr 29, 2021 9:49 am
by Brap
No new posts   My MkIIIs with VTA Board Sound Uncharacteristically Too Laid Back - Cause? 2sayntjack429View latest post Thu Apr 29, 2021 9:29 am
by Bob Latino
No new posts   One mystery, one solution 0JunkyJan399View latest post Thu Apr 29, 2021 1:03 am
by JunkyJan
No new posts   Mullard NOS GZ33 or GZ37 Rectifiers 10Tom Pickett381View latest post Thu Apr 29, 2021 12:11 am
by Tom Pickett
No new posts   The Yellow Sheet Tube Rectifier Modification 1Tom Pickett1106View latest post Wed Apr 28, 2021 1:59 pm
by Tom Pickett
No new posts   Soldering Multiple Wires 4IntarsiaGuy435View latest post Wed Apr 28, 2021 8:38 am
by Brap
No new posts   One important lesson I learned about electronics. 3Tom Pickett405View latest post Tue Apr 27, 2021 12:10 pm
by Tom Pickett
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