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 Mottram4096View 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 W854View latest post Thu Sep 07, 2023 9:00 pm
by Dan W
No new posts  Announcement:  blown tubes 0Roy Mottram1366View latest post Thu Jun 08, 2023 7:51 pm
by Roy Mottram
No new posts   Couple of pics of my St 120 2Jhoman1461View latest post Fri Mar 02, 2012 7:53 pm
by Jhoman
No new posts   Oil Filled Caps 9harpy2837View latest post Mon Feb 27, 2012 11:22 pm
by heyraz
No new posts   ST120 with IEC Inlet Question 15Disles14348View 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? 3Tanner3415View latest post Sun Feb 26, 2012 9:55 am
by anbitet66
No new posts   need help with potential st-70 problem 3wedg7141054View latest post Sat Feb 25, 2012 11:55 am
by wedg714
No new posts   RIP William C. "Bill" Thomas - a great Dynaco resource ... 4Bob Latino3569View latest post Sat Feb 25, 2012 4:01 am
by Tune
No new posts   Quad cap schematic. 1baddog19461498View latest post Sat Feb 25, 2012 12:16 am
by Sal
No new posts   UPGRADED C-13 AND C-14 GET VERY HOT 7detoxer1307View latest post Fri Feb 24, 2012 11:56 am
by detoxer
No new posts   ST70 cage screws 3KCGuy331957View latest post Thu Feb 23, 2012 9:54 pm
by Sal
No new posts   passive pre amp? 19pscottlowe3592View latest post Wed Feb 22, 2012 1:55 pm
by pscottlowe
No new posts   st70 bias problem 8dynacoman1693View latest post Wed Feb 22, 2012 3:37 am
by dynacoman
No new posts   Rectifier Tube Option? 2t8ter2044View latest post Wed Feb 22, 2012 12:40 am
by GP49
No new posts   my ST-120 moving woes  10baddog19461546View latest post Sun Feb 19, 2012 11:20 am
by baddog1946
No new posts   Newbie needs more advice 3grizzinca1124View latest post Sun Feb 19, 2012 12:56 am
by grizzinca
No new posts   Stereo 70 bias problem 9dondi522228View latest post Sat Feb 18, 2012 10:04 pm
by dynacoman
No new posts   Roy is amazing! 0awise19611204View latest post Fri Feb 17, 2012 5:08 pm
by awise1961
No new posts   GZ34 Soft Start Synchronizer 5t8ter3842View latest post Fri Feb 17, 2012 1:27 pm
by GP49
This topic is locked: you cannot edit posts or make replies.   Low bias voltage throughout- is it the quad cap? [Update: It was the quad cap.] 14calinet62754View latest post Fri Feb 17, 2012 8:55 am
by Bob Latino
No new posts   Damaged resistor 2grizzinca1208View latest post Fri Feb 17, 2012 8:50 am
by grizzinca
No new posts   Mk IV Questions 21harpy3732View latest post Fri Feb 17, 2012 12:28 am
by Roy Mottram
No new posts   ST-70 Driver Board Decision 9awise19613082View latest post Thu Feb 16, 2012 5:25 pm
by awise1961
No new posts   Pas3x tone controls 3dmag2434View latest post Thu Feb 16, 2012 5:06 pm
by Roy Mottram
No new posts   [ST-70] EL-34 6Nicola1766View latest post Thu Feb 16, 2012 4:48 pm
by HiGHFLYiN9
No new posts   Anyone using NOS Russian GZ34's? 24anbitet665257View latest post Thu Feb 16, 2012 2:40 pm
by anbitet66
No new posts   Roy's new SP14 and PH14 1Mike G.2756View latest post Thu Feb 16, 2012 12:48 pm
by Roy Mottram
No new posts   ST-120 from Jeff Hoak nice 0pscottlowe960View latest post Wed Feb 15, 2012 9:22 pm
by pscottlowe
No new posts   Sound Valves VTP101i / Pas3 II clone kit? 1skypilot_one2001View latest post Wed Feb 15, 2012 12:44 pm
by TMadden
No new posts   KT88 power and output transformers 9CoffeeTones9524View latest post Tue Feb 14, 2012 12:12 pm
by Westy56
No new posts   New product - VTA SP14 preamp 12Roy Mottram6920View latest post Tue Feb 14, 2012 12:10 pm
by Roy Mottram
No new posts   FM-3 Part(PC-7) 3denny91671491View latest post Tue Feb 14, 2012 11:17 am
by denny9167
No new posts   Driver Board Tubes... 1BillyB1759View latest post Tue Feb 14, 2012 8:17 am
by burnedfingers
No new posts   Dual analog meter mod for ST - 70 2Feistygoat1701View latest post Mon Feb 13, 2012 11:51 am
by Feistygoat
No new posts   PAS 4 question 0StereoGaryo1087View latest post Sat Feb 11, 2012 6:33 pm
by StereoGaryo
No new posts   Almost 1000 members 8captn3069View latest post Sat Feb 11, 2012 6:27 pm
by StereoGaryo
No new posts   my fm-3 woes 7bktheking3374View latest post Sat Feb 11, 2012 4:55 pm
by baddog1946
No new posts   90 degree RCA cables? 2pscottlowe1613View latest post Thu Feb 09, 2012 6:53 pm
by Roy Mottram
No new posts   sp 14 pre amp 2mike drinkwater1552View latest post Wed Feb 08, 2012 10:45 pm
by ruffian
No new posts   The ol' output tube dilemma 3Blitzen1489View latest post Tue Feb 07, 2012 11:14 pm
by frank
No new posts   Worlds largest collection of vintage NIB '70's, '80's audio equipment ? 3Bob Latino6539View latest post Tue Feb 07, 2012 9:00 pm
by mantha3
No new posts   triode switch on st-120/bias pot location 1pscottlowe1479View latest post Tue Feb 07, 2012 9:13 am
by Bob Latino
No new posts   Too much gain......?? 2BillyB1697View latest post Mon Feb 06, 2012 10:55 pm
by BillyB
No new posts   Question for VTA M-70 2SuperB1394View latest post Sun Feb 05, 2012 2:00 pm
by SuperB
No new posts   My 2nd ST70 5kaner1520View latest post Sun Feb 05, 2012 10:45 am
by Bob Latino
No new posts   What is making my 12x4 tube on my Pas2 to overheat?  1bigalttd11140View latest post Sat Feb 04, 2012 4:18 pm
by Roy Mottram
No new posts   Cryo treated tubes 1Dheick3322View latest post Sat Feb 04, 2012 11:53 am
by ArlanB
No new posts   Crossing to the Thermonic Dark Side 11MOR1013View latest post Thu Feb 02, 2012 11:38 am
by Tom
No new posts   Slightly increase size of first cap on stock ST-70??  5SuperB1343View latest post Thu Feb 02, 2012 1:44 am
by SuperB
No new posts   Pentode instead of UL in ST-70  0SuperB1051View latest post Tue Jan 31, 2012 9:41 am
by SuperB
No new posts   ask for help 7bigsmall1156View latest post Mon Jan 30, 2012 4:09 pm
by aliveatfive
No new posts   PAS 3 Question 5cartek1461View latest post Mon Jan 30, 2012 10:40 am
by Westy56
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