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 Mottram3894View 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   Completed the Wonderful M-125's 2jpd55510161View latest post Sun Mar 24, 2013 12:47 pm
by jpd555
No new posts   Cryogenically Treated Tubes? 8hawaii.ken3812View latest post Sun Mar 24, 2013 8:33 am
by hawaii.ken
No new posts   Triode MK3 driver board, RX1 adjustment 2Norm70571335View latest post Sun Mar 24, 2013 7:53 am
by Norm7057
No new posts   Sloppy Bass 8Fstein1586View latest post Sat Mar 23, 2013 7:35 am
by Bob Latino
No new posts   Dynaco ST-70 mono bridged  4KeywestJimmy2191View latest post Sat Mar 23, 2013 4:51 am
by peterh
No new posts   VERY RARE: DYNACO Vacuum Tube Preamplifier MVP-100 Preamp - WORKING & NICE!! 8Andy Jersey2708View latest post Fri Mar 22, 2013 2:13 am
by DarthBubba
No new posts   Question for Roy about preamp I purchased 0Sprags999View latest post Thu Mar 21, 2013 9:01 pm
by Sprags
No new posts   Resetting the bias on an assembled amp? 8Sprags1175View latest post Thu Mar 21, 2013 7:06 pm
by deepee99
No new posts   Dynaco St-70 series II Bandwidth filter questions ? 9stanleyyu3100View latest post Thu Mar 21, 2013 2:00 am
by stanleyyu
No new posts   Question for Bob 2corndog711299View latest post Wed Mar 20, 2013 10:15 pm
by Tube Nube
No new posts   ST70 rolloff from 300hz 6JackF9991093View latest post Tue Mar 19, 2013 9:40 pm
by Bigron865
No new posts   use caution when adding PIO caps into your amplifier 14Roy Mottram2799View latest post Tue Mar 19, 2013 11:43 am
by Sprags
No new posts   Time Delay Relay 7Sprags1423View latest post Tue Mar 19, 2013 1:26 am
by hawaii.ken
No new posts   DC Voltages look suspicious 16Yvon Massicotte2709View latest post Tue Mar 19, 2013 1:04 am
by Roy Mottram
No new posts   My Dynaco ST70 1st anniversary 2evgenibgr3601View latest post Mon Mar 18, 2013 7:59 am
by evgenibgr
No new posts   Finished my ST 120 Build 16mike mytko5512View latest post Sun Mar 17, 2013 8:52 pm
by hawaii.ken
No new posts   SP9 Octal version hum 8garageguy551095View latest post Fri Mar 15, 2013 9:42 pm
by Roy Mottram
No new posts   Tube Newbie with a Speaker Question 8Sprags1175View latest post Thu Mar 14, 2013 3:59 pm
by Sprags
No new posts   New Member 10Maintarget1477View latest post Thu Mar 14, 2013 12:43 pm
by terry37932
No new posts   Second pair of caps for SP-14 1ixe131000View latest post Thu Mar 14, 2013 11:43 am
by Roy Mottram
No new posts   VTA Low-Gain Preamp Tube Suggestions... 5arledgsc4479View latest post Sun Mar 10, 2013 1:51 pm
by arledgsc
No new posts   ST-70 Noise 3Pillo691173View latest post Sun Mar 10, 2013 1:05 pm
by Pillo69
No new posts   Alvin Lee - Ten Years After lead gutarist - dead at 68 7Bob Latino1088View latest post Sat Mar 09, 2013 1:09 am
by Maintarget
No new posts   Bias connection on ST70. 9poconoman2175View latest post Fri Mar 08, 2013 6:25 pm
by jgsulliv
No new posts   Upgrade boards for MK IV 14howlin' hoosier5728View latest post Fri Mar 08, 2013 3:48 pm
by Roy Mottram
No new posts   Replacing ST70 selenium diode 6JackF9995264View latest post Fri Mar 08, 2013 12:35 am
by hawaii.ken
No new posts   Alternate Power Supply for PAS 3X 6TN Allen1678View latest post Thu Mar 07, 2013 10:44 pm
by Roy Mottram
No new posts   B+ supply to board good, but different V at pin 1 of 12AT7 7Pooch1326View latest post Thu Mar 07, 2013 9:12 pm
by Pooch
No new posts   Sharing pics of my ST70 1JackF9991056View latest post Thu Mar 07, 2013 6:48 pm
by Windup
No new posts   Cannot bias my VTA upgraded ST-70 17breading4702View latest post Thu Mar 07, 2013 6:10 pm
by Roy Mottram
No new posts   New Project ST70 6JackF9991497View latest post Wed Mar 06, 2013 5:47 am
by JackF999
No new posts   Fired up my "new" ST 70 today 13charlief642189View latest post Fri Mar 01, 2013 2:43 pm
by Zimmer64
No new posts   Cap swapping... 2Pooch1038View latest post Thu Feb 28, 2013 12:48 am
by Pooch
No new posts   ST 70 PS .02 cap 1bongoman935View latest post Mon Feb 25, 2013 6:11 pm
by Bob Latino
No new posts   VTA ST 70 - What are your favorite tubes? 10Zimmer645177View latest post Mon Feb 25, 2013 5:12 pm
by kygeezer
No new posts   Slight hum in PAS3 - Stereo 70 system 3kygeezer1235View latest post Mon Feb 25, 2013 5:06 pm
by kygeezer
No new posts   Dynaco Mark III stock board 5sushimaster5218View latest post Sat Feb 23, 2013 3:37 pm
by vargasmongo3435
No new posts   Fake Chinese "tube amp" link .. 2Bob Latino2325View latest post Fri Feb 22, 2013 11:38 am
by GP49
No new posts   Quad 44 as preamplifier for Dynaco ST-35? 3gatchaman1212View latest post Wed Feb 20, 2013 2:51 pm
by gatchaman
No new posts   SP14 first impression 3xlr81723View latest post Tue Feb 19, 2013 7:19 pm
by Tube Nube
No new posts   Award for the most parts packed into a Dynaco ST-70 chassis - photos .. 4Bob Latino2064View latest post Tue Feb 19, 2013 3:48 pm
by Andy Jersey
No new posts   PAS3 Power Supply upgrade, PC5 B+, 16 help with confusion. 4Reptiled1273View latest post Mon Feb 18, 2013 12:25 pm
by Reptiled
No new posts   intermittent hiss problem. 5baddog19461045View latest post Sun Feb 17, 2013 8:13 pm
by baddog1946
No new posts   Attenuator vs. Potentiometer 7TN Allen4870View latest post Sun Feb 17, 2013 12:47 pm
by TN Allen
No new posts   Testing a stock Dynaco ST-70 - video .. 2Bob Latino1179View latest post Sat Feb 16, 2013 3:28 pm
by Roy Mottram
No new posts   6Н2П Tubes 3goddlediddles1473View latest post Sat Feb 16, 2013 12:45 pm
by buchela
No new posts   first impression of my new to me ST70 9rickelrod2214View latest post Thu Feb 14, 2013 11:28 pm
by charlief64
No new posts   Discharging Pas quad cap 13poconoman1327View latest post Thu Feb 14, 2013 4:41 pm
by poconoman
No new posts   High Pitched Beeping sound - SP8/ST70 6rockinrob861969View latest post Thu Feb 14, 2013 1:52 pm
by rockinrob86
No new posts   Automatic Disconnect for ST 70 10TN Allen1652View latest post Thu Feb 14, 2013 11:58 am
by Tom
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