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Announcement: diytube ST70 driver docs & mods *REV B* *4/6/09* 1 , 2 ] 21 separks 12365 Wed May 19, 2010 2:45 pmwiredbecker
Sticky: Edcor and Trafomatic Output Thread (was Meet my Amp...) 1 , 2 ] 21 SteveH 6867 Mon Apr 21, 2008 1:44 amQuad
Rustiest ST70 Chassis of All-Time?? 1 , 2 ] 29 separks 9128 Sun Aug 22, 2010 2:14 pmEWBrown
All Antek toroid ST-70, anyone tried it? 1 , 2 ] 25 zippy1540 567 Mon Aug 16, 2010 3:21 pmGeek
Dynakit or Triode PA060 DCR on Secondary and Primary 5 20to20 270 Thu Aug 05, 2010 10:24 am20to20
C-354 choke current calculation. 13 20to20 574 Tue Jul 13, 2010 9:36 am20to20
Understanding the cathode Biaset resistor and its removal 13 20to20 547 Mon Jun 28, 2010 8:47 am20to20
bias drift 11 kymers 460 Sun Jun 27, 2010 9:05 amkymers
Yellow Jacket EL-84 Adapters? 1 , 2 ] 15 kevco 571 Sat Jun 26, 2010 11:29 pmGeek
A470 OPT continuity check and DCR readings 2 20to20 266 Wed Jun 16, 2010 10:12 am20to20
Bias Idea 13 antiquekid3 669 Wed Jun 09, 2010 5:11 amdcgillespie
Paint it or plate it? 10 20to20 622 Sat Jun 05, 2010 8:57 pm20to20
While my SET amp sleeps, the ST70 comes to life! 1 , 2 ] 28 wiredbecker 5672 Sat Jun 05, 2010 1:54 amwiredbecker
Klipsch Heresy + ST-70 2 antiquekid3 339 Thu Jun 03, 2010 9:35 pmnyazzip
Passive Preamp for Tiode ST-70 4 LaserBoi 360 Wed Jun 02, 2010 7:21 amLaserBoi
Driving an ST-70 without a preamp 1 , 2 ] 18 antiquekid3 1331 Sat May 22, 2010 5:06 pmBob01605
Stock board diagram has eyelet #9 (GND) marked with a ''D'' 5 20to20 489 Sat May 22, 2010 9:27 amTy_Bower
Is a 5U4GB ok to replace a 5AR4/GZ34 1 , 2 ] 25 davygrvy 3484 Fri May 14, 2010 3:40 pmGeek
Recently re-built st-70 report 3 xlr8 565 Wed May 05, 2010 4:34 pmmesherm
Biasing problem fixed. 9 20to20 736 Sun May 02, 2010 5:07 pm20to20
Moving the 16 ohm feedback circuit to the 8 ohm terminal 3 20to20 490 Thu Apr 29, 2010 4:44 am6bg6ga
Stock ST70 'real world' measured performance 11 Dyna70 1146 Sun Apr 25, 2010 12:57 pmdcgillespie
Jacking Up Filter Cap Values 1 , 2 ] 17 dcriner 2812 Fri Apr 23, 2010 9:07 pmTy_Bower
ST-70 Chassis 1 antiquekid3 580 Fri Apr 23, 2010 6:08 amDynacophil
My Finished ST-70! 1 , 2 ] 15 antiquekid3 1266 Thu Apr 22, 2010 8:24 amkevco
ST70 one channel not working, stumped 7 zogher 455 Thu Apr 15, 2010 2:22 pmTomMcNally
ST70 bottom plate available? 4 zogher 449 Thu Apr 15, 2010 1:04 pmzogher
Scratch Build ST-70 4 dhuebert 645 Sun Apr 04, 2010 8:35 pmdhuebert
upgrade caps ? (in a st70 with solen and xxx) 13 mati1979 1196 Thu Apr 01, 2010 12:21 pmDyna70
New guy with a new ST-70 project 1 , 2 ] 25 Wardsweb 2295 Tue Mar 30, 2010 6:36 amBrik
495V on pin3/4 of output tubes, new Triode ST-70 build 1 , 2 , 3 , 4 ] 49 gregk 2414 Sun Mar 28, 2010 2:02 pmEWBrown
A very small contribution for ST-70 users... 2 gregk 519 Sat Mar 27, 2010 6:43 pmgregk
Cap Board 9 Hotsauce 846 Sat Mar 20, 2010 12:05 amnyazzip
A470 Woes... 2 antiquekid3 520 Wed Mar 10, 2010 10:29 pmantiquekid3
ST-70 with 12AX7? 1 DeathRex 486 Wed Mar 10, 2010 8:35 pmGeek
Individual Bias Pots 3 antiquekid3 560 Mon Mar 08, 2010 8:25 pmThor61
St-70 and Bose 601 series 1, 2, or 3 combination? 0 tenthumbs 408 Sat Mar 06, 2010 4:06 pmtenthumbs
Dynaco stereo 70's for sale 3 6bg6ga 739 Sun Feb 28, 2010 9:50 am6bg6ga
6CA7EH in ST70 1 , 2 , 3 ] 40 kevco 4828 Thu Feb 25, 2010 6:10 am6bg6ga
Bias Pot Idea 0 antiquekid3 451 Wed Feb 24, 2010 7:35 pmantiquekid3
stabilizer for st70 and my pre 3 mati1979 564 Tue Feb 23, 2010 4:21 amdspth
st-70 and sca-35 together? 0 tenthumbs 450 Mon Feb 22, 2010 8:12 pmtenthumbs
Resistor Types, Carbon, Metal, Wirewound et al How to Select 4 tomlang 579 Mon Feb 22, 2010 7:16 pmkheper
ask about Step 29: "Connect the power cord" 4 mati1979 497 Sun Feb 21, 2010 6:30 pmGeek
Running ST-70 in Class A 1 , 2 , 3 ] 35 Slartibartfast 1806 Sun Feb 21, 2010 3:25 pmEWBrown
Power transformer temp/KT88 tube swap 11 kingmatt 1067 Thu Feb 18, 2010 5:19 pmTy_Bower
My new PSU board design 0 antiquekid3 467 Sat Feb 13, 2010 1:40 pmantiquekid3
section line speaker for st-70 ? 13 mati1979 922 Fri Feb 12, 2010 10:33 amEWBrown
Making an ST-70 Driver Board 1 , 2 , 3 ] 42 antiquekid3 2229 Thu Feb 11, 2010 5:00 pmantiquekid3
Bias Pot Idea 3 antiquekid3 511 Mon Feb 08, 2010 11:18 pmantiquekid3
Power Supply (capacitor) Questions 11 antiquekid3 704 Sun Feb 07, 2010 1:20 pmantiquekid3
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