The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Dynaco VTA tube amp kits, all Tubes4hifi.com products and all Dynakitparts.com products


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No new posts  Announcement:  MK4 boards are back !! 0tubes4hifi301View latest post on Tue Nov 14, 2017 12:29 pm
by tubes4hifi
No new posts  Announcement:  PAS3 preamp upgrades & modifications 1tubes4hifi4766View latest post on Fri Jun 30, 2017 12:43 am
by erhard-audio
No new posts   Odd, low level hum, Dynaco Mk II 10GP494245View latest post on Wed Jun 03, 2009 5:37 pm
by GP49
No new posts   Observations and Questions VTA Board for ST70 1myaddiction3589View latest post on Sun May 31, 2009 10:34 pm
by Bob Latino
No new posts   Pack Dynaco amps carefully - photos ... 4Bob Latino1411View latest post on Fri May 29, 2009 1:33 pm
by tubes4hifi
No new posts   Tube preamps 11jrethorst3579View latest post on Fri May 29, 2009 1:20 am
by GP49
No new posts   Biasing KT77 3oliver959681View latest post on Wed May 27, 2009 12:17 am
by Brinkman
No new posts   Mods for SCA-35? 9Lissnils6276View latest post on Mon May 25, 2009 10:08 am
by Lissnils
No new posts   Dynaco PAS-3 RIAA phono equalization upgrade - photo 4Bob Latino10136View latest post on Sun May 24, 2009 11:46 pm
by GP49
No new posts   Wiring dual bias in a "stock" Mk.IV 4Listens2tubes5600View latest post on Sun May 24, 2009 7:31 pm
by Solder Slinger
No new posts   Going back to Vinyl 5Clik2media3025View latest post on Fri May 22, 2009 10:50 pm
by Flyquail56
No new posts   ST70 Power Supply Upgrade 1Bugs1885View latest post on Thu May 21, 2009 2:30 pm
by Bob Latino
No new posts   EL 34 v. KT 88 14rwferr10057View latest post on Thu May 14, 2009 9:50 pm
by jrethorst
No new posts   New to this forum. 2kroozing1491057View latest post on Tue May 12, 2009 11:18 am
by Bob Latino
No new posts   Time Delay Board 1scott60582365View latest post on Tue May 12, 2009 10:55 am
by Bob Latino
No new posts   Hey Bob and Roy - thanks for the manuals, pictorials and schematics 2RockyAM1253View latest post on Mon May 11, 2009 3:45 pm
by RockyAM
No new posts   Tube Sockets 1Bugs7621205View latest post on Sun May 10, 2009 12:44 am
by GP49
No new posts   How good can an ST-70 be made? 11summilux2931View latest post on Sat May 09, 2009 12:54 pm
by Tube Nube
No new posts   VTA Board Tube Rolling 10rwferr5247View latest post on Tue May 05, 2009 1:22 am
by quadaptor
No new posts   Using an MC Cartridge 5Tube Nube2085View latest post on Fri May 01, 2009 5:30 pm
by JunkyJan
No new posts   One of the reasons we like Dynaco tube amps - photo 7Bob Latino5230View latest post on Mon Apr 27, 2009 7:48 pm
by Listens2tubes
No new posts   STA70 Bias Tolerence 6Bugs7621220View latest post on Sat Apr 25, 2009 1:27 pm
by Bugs
No new posts   MKIII W/VTA high current thru output tubes? 1scott60581626View latest post on Sun Apr 19, 2009 6:46 pm
by Bob Latino
No new posts   Negative feedback 20Tube Nube10007View latest post on Sat Apr 18, 2009 12:01 am
by Brinkman
No new posts   7199 to 6GH8A conversion 0wharf-creek5285View latest post on Thu Apr 16, 2009 12:49 pm
by wharf-creek
No new posts   MKIII VTA help with negative feedback. 5scott60588274View latest post on Sun Apr 05, 2009 11:13 am
by scott6058
No new posts   VTA SP-8 build 1JoaoCabrao4140View latest post on Sat Apr 04, 2009 10:22 pm
by tubes4hifi
No new posts   Burn in time 8Clik2media1361View latest post on Thu Apr 02, 2009 2:48 pm
by Clik2media
No new posts   ST-120 output transformers 1Brinkman3249View latest post on Sun Mar 29, 2009 7:00 pm
by Bob Latino
No new posts   VTA ST-70 BOM question 5BruceB1549View latest post on Sat Mar 28, 2009 9:27 pm
by tubes4hifi
No new posts   New VTA Board for the ST70 Calling Bob.... 1myaddiction1227View latest post on Sat Mar 28, 2009 1:14 pm
by Bob Latino
No new posts   Stacked Advents with an ST70 2myaddiction2582View latest post on Sat Mar 28, 2009 9:21 am
by myaddiction
No new posts   KT-100 tubes 2Bill Edler2970View latest post on Fri Mar 27, 2009 9:51 pm
by Bill Edler
No new posts   Sheesh... Perhaps I should get one of these.... 3JunkyJan1082View latest post on Thu Mar 26, 2009 2:53 pm
by Tube Nube
No new posts   Need Help with a preamp for dynaco st 70 1merickrc2941View latest post on Wed Mar 25, 2009 8:14 pm
by Bob Latino
No new posts   using variac, pros and cons 3leitmo3496View latest post on Tue Mar 17, 2009 12:44 pm
by PeterCapo
No new posts   Power consumption: Mark II vs. Mark III 7PeterCapo2469View latest post on Mon Mar 16, 2009 10:56 pm
by PeterCapo
No new posts   Dynakit MKIII need some help 5scott60585281View latest post on Sun Mar 15, 2009 11:48 am
by Bob Latino
No new posts   Rebuilt Mark111 using Dynakit brand parts 0Brian F976View latest post on Sat Mar 14, 2009 3:12 pm
by Brian F
No new posts   Dyna MKIII fallen short of upgradeing caps. 9scott60585168View latest post on Sat Mar 14, 2009 1:47 pm
by danf
No new posts   KT88/6550 Tube Choices 3toolGURU2650View latest post on Fri Mar 13, 2009 9:01 am
by rwferr
No new posts   Which Preamp?? 3DaLarry4042View latest post on Wed Mar 11, 2009 1:40 am
by gothover
No new posts   Quad cap use and other questions 3BruceB1522View latest post on Sat Mar 07, 2009 9:15 am
by Bob Latino
No new posts   Quad cap "pin-outs" 7Clik2media1901View latest post on Thu Mar 05, 2009 2:49 pm
by Bob Latino
No new posts   SP-6 Preamp 6gothover2347View latest post on Thu Mar 05, 2009 2:55 am
by gothover
No new posts   noise in power amp 6bizi1923View latest post on Thu Feb 26, 2009 2:11 pm
by Tube Nube
No new posts   In the spirit of "back to the future"... 11Tube Nube8125View latest post on Thu Feb 26, 2009 12:07 pm
by Tube Nube
No new posts   Dynaco Mark III Upgrade PC Boards 1Gregory Braun3368View latest post on Tue Feb 24, 2009 8:16 am
by danf
No new posts   Hum problems in completely rebuilt PAS-3X 0Swede52924View latest post on Sun Feb 22, 2009 12:19 pm
by Swede52
No new posts   PAS-3X problems after complete rebuild 1Swede52977View latest post on Sat Feb 21, 2009 2:45 pm
by Bob Latino
No new posts   Dynaco Mark III and IV Startup Procedure 6Gregory Braun4568View latest post on Sat Feb 21, 2009 12:55 pm
by Gregory Braun
No new posts   Heat build up with a ST-70 Cage? 4Robert2131View latest post on Sun Feb 15, 2009 10:11 am
by danf
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