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   Weird ST-70 distortion problem 11gabe1303View latest post on Wed Oct 01, 2014 9:38 pm
by j beede
No new posts   Most horrible tune of the day 21deepee991664View latest post on Wed Oct 01, 2014 4:01 pm
by deepee99
No new posts   Need help determining correct bias adjustment 15notboating1801View latest post on Mon Sep 29, 2014 5:10 pm
by peterh
No new posts   Help with Identification - ST70 10fastbulbous1345View latest post on Sun Sep 28, 2014 9:51 pm
by fastbulbous
No new posts   Montana Tube Meet 8Guest1350View latest post on Sun Sep 28, 2014 8:22 am
by Bob Latino
No new posts   Technical question concerning input grounds 1gabe819View latest post on Fri Sep 26, 2014 1:19 pm
by GP49
No new posts   True Bi-Amping 5mazeeff1585View latest post on Fri Sep 26, 2014 12:06 pm
by Bob Latino
No new posts   SP14 looking for some help 20Jeff V.2698View latest post on Fri Sep 26, 2014 4:19 am
by tiguan
No new posts   ST-120 start up! 1, 229Maintarget3668View latest post on Thu Sep 25, 2014 11:02 pm
by Maintarget
No new posts   240 volt power transformers now available from Dynakitparts for European Dynaco tube amp users ... 4Bob Latino3181View latest post on Thu Sep 25, 2014 5:12 pm
by peterh
No new posts   Shuguang EL34 3mazeeff1069View latest post on Wed Sep 24, 2014 4:31 pm
by peterh
No new posts   New VTA ST-70 1bluerondo853View latest post on Sun Sep 21, 2014 8:44 pm
by Bob Latino
No new posts   VTA Amp For 85db Speakers 7Jeff V.1104View latest post on Sun Sep 21, 2014 3:29 pm
by Jeff V.
No new posts   SP14 Thanks Roy! 7Jeff V.1442View latest post on Sun Sep 21, 2014 2:48 am
by tiguan
No new posts   New member with ST-120 questions 11wgallupe1972View latest post on Sat Sep 20, 2014 2:48 pm
by wgallupe
No new posts   K40-Y Coupling Caps for the ST-70 VTA Upgraded Board 2BNR_11133View latest post on Thu Sep 18, 2014 6:36 pm
by BNR_1
No new posts   Newbie here - starting my Bob Latino M 125 Monoblock build 1, 232costerdock8471View latest post on Wed Sep 17, 2014 9:22 am
by kaner
No new posts   Horn Speakers 1, 226Guest5791View latest post on Tue Sep 16, 2014 6:35 pm
by TN Allen
No new posts   Non Tech Newbie here ST70 help needed 4raudio441051View latest post on Mon Sep 15, 2014 8:09 pm
by raudio44
No new posts   Rock and Roll Combos and potted transformers 7wildiowa1511View latest post on Mon Sep 15, 2014 5:32 pm
by wildiowa
No new posts   Vta St-70 Main Power Transformer Hum 11islanddave2535View latest post on Mon Sep 15, 2014 12:04 pm
by zx
No new posts   my SP9/PH10 preamp build 3Guest1360View latest post on Sun Sep 14, 2014 4:55 pm
by Guest
No new posts   octal vta problem 12kost1526View latest post on Sun Sep 14, 2014 2:24 am
by tubes4hifi
No new posts   Bad Recifier tube? 11islanddave1085View latest post on Fri Sep 12, 2014 6:07 pm
by Bob Latino
No new posts   another VTA ST70 chassis variation 12Guest3972View latest post on Wed Sep 10, 2014 1:23 pm
by tubes4hifi
No new posts   Need serious help 115/351053View latest post on Tue Sep 09, 2014 4:34 pm
by audiobill
No new posts   Bob's M125 and my spiral bass horns 4carpenter1317View latest post on Sun Sep 07, 2014 11:01 pm
by carpenter
No new posts   FM-3 Rebuild 10Maintarget4066View latest post on Sun Sep 07, 2014 7:44 pm
by Dynalover
No new posts   What gauge wire in VTA preamps? 3AudioMartin734View latest post on Sun Sep 07, 2014 4:04 pm
by Guest
No new posts   cap gone bad? 4colin86325788View latest post on Sun Sep 07, 2014 1:41 pm
by Dynalover
No new posts   Why output transformers are necessary on a tube amp ? 8Bob Latino2254View latest post on Fri Sep 05, 2014 1:25 pm
by Bob Latino
No new posts   What does a scratch built VTA ST-70 sound like when it clips? 1, 249Downhome Upstate3679View latest post on Wed Sep 03, 2014 9:14 pm
by Guest
No new posts   Amplifier power requirement calculator 2audiobill854View latest post on Tue Sep 02, 2014 12:41 am
by tubes4hifi
No new posts   My VERY first tube amp. 1, 237Tevian3911View latest post on Tue Sep 02, 2014 12:36 am
by tubes4hifi
No new posts   cryo tubes 19Guest1964View latest post on Thu Aug 28, 2014 12:46 pm
by Guest
No new posts   What transformer should I replace for running 6550 tubes 6EugeneHiFi1629View latest post on Mon Aug 25, 2014 1:35 pm
by EugeneHiFi
No new posts   Rebuild of some really old MKIV's 1, 235MarcVBelgium4844View latest post on Fri Aug 22, 2014 6:43 pm
by DynakitParts
No new posts   ST-70 VTA left channel driver problem 7w_barton1265View latest post on Fri Aug 22, 2014 2:40 am
by w_barton
No new posts   VTA amplifier gain 5audiobill1237View latest post on Wed Aug 20, 2014 1:43 pm
by audiobill
No new posts   VTA M-125 vs. Conrad Johnson LP 125M 1audiobill1183View latest post on Wed Aug 20, 2014 11:48 am
by deepee99
No new posts   Microphonic Driver Tube 4kaner941View latest post on Tue Aug 19, 2014 3:19 pm
by sKiZo
No new posts   Superior variacs on eBay 1Gregg R.800View latest post on Mon Aug 18, 2014 9:45 am
by zx
No new posts   ST-70 age and care 3chrisj1089View latest post on Sat Aug 16, 2014 10:21 am
by Guest
No new posts   Running two ST-70's from same source 8mazeeff1129View latest post on Sun Aug 10, 2014 8:52 am
by zx
No new posts   Replacement of voltage pot of Eico 950B RC bridge checker 0hifitracer772View latest post on Sat Aug 09, 2014 7:45 pm
by hifitracer
No new posts   Power Transformer Tempeture Question 19tkemmett2076View latest post on Fri Aug 08, 2014 4:17 pm
by corndog71
No new posts   ST-70 Series 2 refurbishment 10offanonone1788View latest post on Tue Aug 05, 2014 8:59 pm
by Dogstar
No new posts   VTA ST120 Step by Step Diagnostic Checklist? 9tkemmett2432View latest post on Tue Aug 05, 2014 10:44 am
by GP49
No new posts   ST-120 / EL-34 and or 7591 ? 3scottlowe1031View latest post on Sun Aug 03, 2014 10:51 pm
by tubes4hifi
No new posts   SP14 Output Capacitor Values 3AudioMartin1384View latest post on Sun Aug 03, 2014 8:34 pm
by AudioMartin
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