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 Mottram4101View 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 W856View latest post Thu Sep 07, 2023 9:00 pm
by Dan W
No new posts  Announcement:  blown tubes 0Roy Mottram1367View latest post Thu Jun 08, 2023 7:51 pm
by Roy Mottram
This topic is locked: you cannot edit posts or make replies.   Replacing tubes. 21Dogstar1383View latest post Sun Oct 29, 2017 7:57 am
by Bob Latino
No new posts   Testing 7199 valves/tubes 15hansfob1890View latest post Fri Oct 27, 2017 6:22 pm
by Big Harry
No new posts   Tubes types/do they make a noticeable difference  4bluemeanies1087View latest post Thu Oct 26, 2017 8:51 pm
by bluemeanies
No new posts   Do you consider VTAST70 "tubey" 6rymi1100View latest post Wed Oct 25, 2017 2:31 pm
by Roy Mottram
No new posts   Robots playing music ? Check out these two videos .. 10Bob Latino773View latest post Tue Oct 24, 2017 3:07 pm
by Peter W.
No new posts   Tube rectified  12Guest1537View latest post Tue Oct 24, 2017 12:46 am
by Tubes4ever
No new posts   following up on biamping, is this a valid concern? 9tajanes681View latest post Mon Oct 23, 2017 5:07 pm
by tajanes
No new posts   Bi-wiring. Bunkum or for real? 2deepee99634View latest post Mon Oct 23, 2017 4:33 pm
by deepee99
No new posts   On Off Switch for fuse holder cap. 0Pat R.591View latest post Sat Oct 21, 2017 9:50 pm
by Pat R.
No new posts   VTA ST70 static pop on shutdown 9rymi1018View latest post Fri Oct 20, 2017 1:20 pm
by rymi
No new posts   Zobel Network 1Pillo69956View latest post Fri Oct 20, 2017 1:02 pm
by Peter W.
No new posts   New Member, New ST120! 1, 227Guest2271View latest post Fri Oct 20, 2017 10:08 am
by Guest
No new posts   Dynaco VTA ST120/Magnapan 1.6 QR ? 8scottlowe761124View latest post Fri Oct 20, 2017 2:00 am
by j beede
No new posts   Mechanical hum: power transformer 22turbos1551View latest post Wed Oct 18, 2017 8:07 pm
by 2turbos
No new posts   red, yellow and black sec. wires on MKII ot... 1Chris Scott603View latest post Tue Oct 17, 2017 12:33 pm
by Peter W.
No new posts   Blue glow.. 5Ernstmach991View latest post Mon Oct 16, 2017 7:19 pm
by Ernstmach
No new posts   FM-3 or FM-5? 4jrethorst1848View latest post Mon Oct 16, 2017 6:26 pm
by Stevedel
No new posts   Keep pre-amp tubes lit or shut down? 2deepee99789View latest post Sun Oct 15, 2017 4:18 pm
by Roy Mottram
No new posts   Phono question 4bubbasweet800View latest post Sun Oct 15, 2017 11:52 am
by deepee99
No new posts   do vta 70 , vta120 sounds the same ??? 9wantech1544View latest post Wed Oct 11, 2017 2:14 pm
by Peter W.
No new posts   Shutdown of preamp - then Thump (not Trump) 1, 226jfine1999View latest post Mon Oct 09, 2017 11:24 pm
by Dogstar
No new posts   M125 anniversary look back 9LeGrace1539View latest post Sun Oct 08, 2017 3:16 pm
by deepee99
No new posts   A few questions re. restoring a Dynakit mk II 10Chris Scott1423View latest post Fri Oct 06, 2017 12:09 pm
by Chris Scott
No new posts   Isolation Transformer an Option? 1, 232LeGrace2189View latest post Thu Oct 05, 2017 4:48 pm
by Peter W.
No new posts   The Paoli 60M 7Bobzilla6090View latest post Wed Oct 04, 2017 3:45 pm
by peterh
No new posts   An excellent video on turntable set-up 0deepee99581View latest post Sat Sep 30, 2017 7:16 pm
by deepee99
No new posts   KT120 vs Shuguang KT88 in my Mark IIIs 20wgallupe5812View latest post Fri Sep 29, 2017 11:07 am
by sKiZo
No new posts   6L6GC to replace EL34 on st70 9wantech3766View latest post Fri Sep 29, 2017 12:34 am
by Tubes4ever
No new posts   Is the inside of this tube bad, or is it just typical greyish coating? 7jfine703View latest post Thu Sep 28, 2017 2:18 pm
by deepee99
No new posts   Introductory Hello & My M125 Build 1, 2, 351Denizen3129View latest post Thu Sep 28, 2017 12:18 pm
by Denizen
No new posts   New Guy. Chassis Stand 12matallan1180View latest post Tue Sep 26, 2017 11:05 am
by Bob Latino
No new posts   Are these good mods for a PAS 3x? 14jrethorst3399View latest post Sun Sep 24, 2017 11:01 pm
by j beede
No new posts   Tube #6680 3DavidR791View latest post Sun Sep 24, 2017 3:24 pm
by Bob Latino
No new posts   Toroidal Versus EI Transformers 16deepee992556View latest post Fri Sep 22, 2017 4:25 pm
by Tubes4ever
No new posts    St70 rehab questions 3BudK798View latest post Thu Sep 21, 2017 3:05 pm
by Peter W.
No new posts   Original ST 70 PC3 board 557003 layout? 5stupidhead3108View latest post Thu Sep 21, 2017 8:14 am
by stupidhead
No new posts   a $5000 preamp for $1350 11Roy Mottram3041View latest post Sat Sep 16, 2017 5:14 pm
by Corona
No new posts   What kind of tubes for the m125 11bluemeanies1320View latest post Sat Sep 16, 2017 4:55 pm
by Corona
No new posts   Variac's on sale right now at Circuit Specialists in AZ 1, 2, 372Bob Latino6006View latest post Wed Sep 13, 2017 7:59 pm
by slate1
No new posts   MkIII blown fuse. 10Ernstmach1905View latest post Wed Sep 13, 2017 3:52 pm
by Bob Latino
No new posts   VTA ST-120 Alternative Transformers 4Dogstar2333View latest post Sun Sep 10, 2017 7:42 am
by Peter W.
No new posts   pas power supply question 3mrich642View latest post Sat Sep 09, 2017 9:25 am
by Peter W.
No new posts   Which turntable and cartridge would you keep? 1, 236Dogstar2182View latest post Fri Sep 08, 2017 10:26 pm
by Dogstar
No new posts   VTA PH16 Phono Stage Flexibility 14slate12794View latest post Fri Sep 08, 2017 1:33 pm
by slate1
No new posts   M125 Interconnect Lengths 2Denizen795View latest post Fri Sep 08, 2017 10:52 am
by Denizen
No new posts   Caps PIO K40Y-9 and K42Y-2 6Pillo694948View latest post Thu Sep 07, 2017 7:50 pm
by Pillo69
No new posts   Metered Variac  0Peter W.809View latest post Wed Sep 06, 2017 1:58 pm
by Peter W.
No new posts   How to properly house-wire your sound system? 5deepee991527View latest post Tue Sep 05, 2017 9:05 pm
by deepee99
No new posts   KT88 poor service life 23LeGrace1525View latest post Mon Sep 04, 2017 7:34 pm
by jfine
No new posts   Iceland: time for a meet-up? 7deepee99760View latest post Fri Sep 01, 2017 11:59 am
by deepee99
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