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 Mottram3890View 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 W799View latest post Thu Sep 07, 2023 9:00 pm
by Dan W
No new posts  Announcement:  blown tubes 0Roy Mottram1288View latest post Thu Jun 08, 2023 7:51 pm
by Roy Mottram
No new posts   ST70 chassis mods 7dmag3402View latest post Thu Mar 29, 2012 7:03 pm
by Luddite
No new posts   Can't Order 2WntrMute21123View latest post Wed Mar 28, 2012 9:28 pm
by Roy Mottram
No new posts   Shuguang vs. Gold Lion 14WntrMute29272View latest post Tue Mar 27, 2012 11:58 am
by mantha3
No new posts   Cap for VTA ST-70 PS 2SuperB1152View latest post Mon Mar 26, 2012 10:13 pm
by anbitet66
No new posts   New PC board caps...polarity? 3wildiowa1198View latest post Mon Mar 26, 2012 10:11 pm
by anbitet66
No new posts   Weird Behavior ST-120 1WntrMute21178View latest post Mon Mar 26, 2012 9:20 am
by Bob Latino
No new posts   runaway bias on mark III with vta pcb 3wedg7142095View latest post Sun Mar 25, 2012 10:36 pm
by Roy Mottram
No new posts   Building a tubes4hifi PH14 4wroman2143151View latest post Sun Mar 25, 2012 10:33 pm
by Roy Mottram
No new posts   12AU7 and the Dynaco FM-3 0denny91671180View latest post Fri Mar 23, 2012 5:27 pm
by denny9167
No new posts   Recommended Preamps for the ST-70 5cc43fan2489View latest post Fri Mar 23, 2012 1:46 pm
by mantha3
No new posts   Grounding a Turntable Used w/PAS & ST-35? 2pjsjr2041View latest post Thu Mar 22, 2012 2:36 pm
by pjsjr
No new posts   octal option?? 1, 225baddog194610398View latest post Thu Mar 22, 2012 1:20 am
by plexus
No new posts   Newbie questions about an St-70 4Mose11685View latest post Wed Mar 21, 2012 9:34 am
by stewdan
No new posts   Lo-Gain still too much gain! 12craigtone3301View latest post Tue Mar 20, 2012 9:16 pm
by craigtone
No new posts   ST-70 Two Year Birthday 181MOR3189View latest post Mon Mar 19, 2012 11:24 pm
by 1MOR
No new posts   ST-70....Help!! Please. 13cc43fan2456View latest post Mon Mar 19, 2012 8:47 pm
by cc43fan
No new posts   Hum when input disconnected 1wildiowa1721View latest post Mon Mar 19, 2012 2:04 pm
by Roy Mottram
No new posts   Voltage question on Mk4 8harpy1125View latest post Sun Mar 18, 2012 6:22 pm
by harpy
No new posts   TUBES G.E. 7591A 2avi.inc1210View latest post Sat Mar 17, 2012 5:02 pm
by avi.inc
No new posts   resistor wattage 1wedg7141269View latest post Fri Mar 16, 2012 3:59 pm
by DynakitParts
No new posts   VTA-70 LED wiring.... 64MarkNY1743View latest post Fri Mar 16, 2012 2:35 pm
by anbitet66
No new posts   Final wiring procedures on ST-120 7musky372254View latest post Fri Mar 16, 2012 9:08 am
by musky37
No new posts   VTA timer board - who's using one? 5Tom1808View latest post Fri Mar 16, 2012 7:54 am
by Tom
No new posts   B+ is running high in one of my MKIV's 5Guest1446View latest post Thu Mar 15, 2012 1:53 am
by Guest
No new posts   BIAS problem in a vintage st-70 5zekaaudio1578View latest post Wed Mar 14, 2012 6:56 pm
by Roy Mottram
No new posts   Dynaco ST-70 060Power Transformer question 4cc43fan1846View latest post Wed Mar 14, 2012 6:02 pm
by cc43fan
No new posts   390 pf - 82pf  1harpy1001View latest post Wed Mar 14, 2012 2:37 am
by Roy Mottram
No new posts   Ground connections for PAS-2 selector switch and input/output connectors 15maninmac7717934View latest post Mon Mar 12, 2012 5:19 pm
by KelleyMc
No new posts   VTA ST120 Bias 4ArlanB2455View latest post Fri Mar 09, 2012 7:50 am
by Jhoman
No new posts   My ST-70 Rebuild 17lwrs103794View latest post Fri Mar 09, 2012 12:25 am
by Roy Mottram
No new posts   Noobie re-building an ST-70 9cc43fan2486View latest post Tue Mar 06, 2012 3:45 pm
by cc43fan
No new posts   PAS2 quad cap  1zadig1262View latest post Tue Mar 06, 2012 3:03 am
by hawaii.ken
No new posts   FM-3 tube sub 0denny91671200View latest post Mon Mar 05, 2012 11:48 pm
by denny9167
No new posts   VTA driver board, high or low gain? 3alexg1798View latest post Mon Mar 05, 2012 6:20 am
by Bob Latino
No new posts   Problem with the bias readings in a pair of MKIV's 3Guest2092View latest post Mon Mar 05, 2012 3:35 am
by Guest
No new posts   lundahl ll1660/s for phase invertion/splitting 5alexg2255View latest post Mon Mar 05, 2012 3:02 am
by Roy Mottram
No new posts   TAD 5AR4 cryo treated rectifier tube 9Feistygoat3817View latest post Sat Mar 03, 2012 10:53 pm
by Feistygoat
No new posts   FM3 circuit boards 13baddog19465064View latest post Sat Mar 03, 2012 10:37 pm
by denny9167
No new posts   Dynaco ST-70 Driver Board Cover Plate 2Analogman2429View latest post Fri Mar 02, 2012 11:18 pm
by GP49
No new posts   FM-3 Transformer Specs 2denny91671236View latest post Fri Mar 02, 2012 10:31 pm
by denny9167
No new posts   Hello.. I am new here Greetings, I have a question about my Dynaco Sysyem.. 4vincentdsnt932View latest post Fri Mar 02, 2012 7:55 pm
by vincentdsnt
No new posts   Couple of pics of my St 120 2Jhoman1458View latest post Fri Mar 02, 2012 7:53 pm
by Jhoman
No new posts   Oil Filled Caps 9harpy2834View latest post Mon Feb 27, 2012 11:22 pm
by heyraz
No new posts   ST120 with IEC Inlet Question 15Disles14326View latest post Sun Feb 26, 2012 10:05 am
by baddog1946
No new posts   5Z3P rectifier Tube, what do you guy's know about it? 3Tanner3410View latest post Sun Feb 26, 2012 9:55 am
by anbitet66
No new posts   need help with potential st-70 problem 3wedg7141051View latest post Sat Feb 25, 2012 11:55 am
by wedg714
No new posts   RIP William C. "Bill" Thomas - a great Dynaco resource ... 4Bob Latino3561View latest post Sat Feb 25, 2012 4:01 am
by Tune
No new posts   Quad cap schematic. 1baddog19461494View latest post Sat Feb 25, 2012 12:16 am
by Sal
No new posts   UPGRADED C-13 AND C-14 GET VERY HOT 7detoxer1301View latest post Fri Feb 24, 2012 11:56 am
by detoxer
No new posts   ST70 cage screws 3KCGuy331951View latest post Thu Feb 23, 2012 9:54 pm
by Sal
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