knowledge base for the classic Dynaco ST70
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- weight st-70 (for shipping) ?
by mati1979 » Thu Apr 09, 2009 5:37 pm
- 4 Replies
- 3869 Views
- Last post by Sal Brisindi
Fri Jan 28, 2011 11:22 pm
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- All Antek toroid ST-70, anyone tried it?
by zippy1540 » Sat Aug 14, 2010 7:42 am
- 26 Replies
- 13032 Views
- Last post by john29302
Tue Dec 21, 2010 12:23 am
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- Yellow Jacket EL-84 Adapters?
by kevco » Wed Jun 23, 2010 4:55 am
- 16 Replies
- 10160 Views
- Last post by EWBrown
Mon Dec 20, 2010 9:23 pm
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- Scratch Build ST-70
by dhuebert » Thu Apr 01, 2010 7:10 pm
- 32 Replies
- 15049 Views
- Last post by Quad
Tue Dec 14, 2010 12:52 pm
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- Is a 5U4GB ok to replace a 5AR4/GZ34
by davygrvy » Wed Aug 05, 2009 5:45 pm
- 29 Replies
- 28695 Views
- Last post by Ty_Bower
Fri Dec 10, 2010 11:39 am
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- Octal driver idea
by TerrySmith » Mon Nov 08, 2010 5:41 pm
- 5 Replies
- 4171 Views
- Last post by TerrySmith
Sun Nov 21, 2010 10:34 am
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- 480v at pin 3
by chopchip » Mon Nov 08, 2010 8:23 pm
- 2 Replies
- 2483 Views
- Last post by DeathRex
Mon Nov 08, 2010 10:20 pm
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- older sds capboard with diy tube driver board
by kymers » Sun Nov 07, 2010 2:25 pm
- 5 Replies
- 3580 Views
- Last post by kymers
Sun Nov 07, 2010 9:44 pm
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- Why is my PA060S overheating?
by davygrvy » Sun Oct 24, 2010 7:17 pm
- 8 Replies
- 4458 Views
- Last post by DeathRex
Mon Oct 25, 2010 5:57 pm
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- Litany of ST-70 questions
by kingmatt » Fri Oct 22, 2010 10:46 am
- 7 Replies
- 12913 Views
- Last post by antiquekid3
Sat Oct 23, 2010 3:21 pm
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- Rustiest ST70 Chassis of All-Time??
by Shannon Parks » Sat Aug 19, 2006 2:32 pm
- 29 Replies
- 28852 Views
- Last post by EWBrown
Sun Aug 22, 2010 2:14 pm
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- Dynakit or Triode PA060 DCR on Secondary and Primary
by 20to20 » Tue Aug 03, 2010 12:38 pm
- 5 Replies
- 3962 Views
- Last post by 20to20
Thu Aug 05, 2010 10:24 am
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- C-354 choke current calculation.
by 20to20 » Sat Jul 10, 2010 10:57 am
- 13 Replies
- 7290 Views
- Last post by 20to20
Tue Jul 13, 2010 9:36 am
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- Understanding the cathode Biaset resistor and its removal
by 20to20 » Wed Jun 23, 2010 9:36 am
- 13 Replies
- 7226 Views
- Last post by 20to20
Mon Jun 28, 2010 8:47 am
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- bias drift
by kymers » Tue Jun 15, 2010 1:52 pm
- 11 Replies
- 6346 Views
- Last post by kymers
Sun Jun 27, 2010 9:05 am
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- A470 OPT continuity check and DCR readings
by 20to20 » Wed Jun 16, 2010 9:06 am
- 2 Replies
- 2712 Views
- Last post by 20to20
Wed Jun 16, 2010 10:12 am
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- Bias Idea
by antiquekid3 » Mon Jun 07, 2010 9:13 pm
- 13 Replies
- 8848 Views
- Last post by dcgillespie
Wed Jun 09, 2010 5:11 am
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- Paint it or plate it?
by 20to20 » Sat May 22, 2010 6:37 am
- 10 Replies
- 5379 Views
- Last post by 20to20
Sat Jun 05, 2010 8:57 pm
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- While my SET amp sleeps, the ST70 comes to life!
by wiredbecker » Wed Mar 28, 2007 1:05 am
- 28 Replies
- 16177 Views
- Last post by wiredbecker
Sat Jun 05, 2010 1:54 am
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- Klipsch Heresy + ST-70
by antiquekid3 » Wed Jun 02, 2010 12:15 pm
- 2 Replies
- 3059 Views
- Last post by nyazzip
Thu Jun 03, 2010 9:35 pm
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- Passive Preamp for Tiode ST-70
by LaserBoi » Tue Jun 01, 2010 1:19 am
- 4 Replies
- 3504 Views
- Last post by LaserBoi
Wed Jun 02, 2010 7:21 am
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- Driving an ST-70 without a preamp
by antiquekid3 » Mon Apr 12, 2010 4:56 pm
- 18 Replies
- 11825 Views
- Last post by Bob01605
Sat May 22, 2010 5:06 pm
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- Stock board diagram has eyelet #9 (GND) marked with a ''D''
by 20to20 » Fri Apr 23, 2010 3:21 pm
- 5 Replies
- 4112 Views
- Last post by Ty_Bower
Sat May 22, 2010 9:27 am
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- Recently re-built st-70 report
by xlr8 » Wed May 05, 2010 11:53 am
- 3 Replies
- 5842 Views
- Last post by mesherm
Wed May 05, 2010 4:34 pm
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- Biasing problem fixed.
by 20to20 » Sun Apr 25, 2010 10:17 pm
- 9 Replies
- 4898 Views
- Last post by 20to20
Sun May 02, 2010 5:07 pm
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- Moving the 16 ohm feedback circuit to the 8 ohm terminal
by 20to20 » Wed Apr 28, 2010 7:30 pm
- 3 Replies
- 3050 Views
- Last post by burnedfingers
Thu Apr 29, 2010 4:44 am
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- Stock ST70 'real world' measured performance
by Dyna70 » Tue Mar 30, 2010 10:40 am
- 11 Replies
- 7999 Views
- Last post by dcgillespie
Sun Apr 25, 2010 12:57 pm
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- Jacking Up Filter Cap Values
by dcriner » Sun Feb 04, 2007 7:01 pm
- 17 Replies
- 11569 Views
- Last post by Ty_Bower
Fri Apr 23, 2010 9:07 pm
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- ST-70 Chassis
by antiquekid3 » Fri Feb 05, 2010 5:14 pm
- 1 Replies
- 2750 Views
- Last post by Dynacophil
Fri Apr 23, 2010 6:08 am
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- My Finished ST-70!
by antiquekid3 » Tue Apr 13, 2010 8:48 pm
- 15 Replies
- 8425 Views
- Last post by kevco
Thu Apr 22, 2010 8:24 am
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- ST70 one channel not working, stumped
by zogher » Wed Apr 14, 2010 1:15 pm
- 7 Replies
- 3865 Views
- Last post by TomMcNally
Thu Apr 15, 2010 2:22 pm
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- ST70 bottom plate available?
by zogher » Wed Apr 14, 2010 4:53 pm
- 4 Replies
- 3012 Views
- Last post by zogher
Thu Apr 15, 2010 1:04 pm
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- upgrade caps ? (in a st70 with solen and xxx)
by mati1979 » Sat Feb 13, 2010 12:45 pm
- 13 Replies
- 7466 Views
- Last post by Dyna70
Thu Apr 01, 2010 12:21 pm
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- 495V on pin3/4 of output tubes, new Triode ST-70 build
by gregk » Sat Mar 13, 2010 3:58 pm
- 49 Replies
- 20183 Views
- Last post by EWBrown
Sun Mar 28, 2010 2:02 pm
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- A very small contribution for ST-70 users...
by gregk » Fri Mar 26, 2010 7:26 pm
- 2 Replies
- 2648 Views
- Last post by gregk
Sat Mar 27, 2010 6:43 pm
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- Cap Board
by Hotsauce » Tue Mar 09, 2010 7:25 pm
- 9 Replies
- 7509 Views
- Last post by nyazzip
Sat Mar 20, 2010 12:05 am
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- A470 Woes...
by antiquekid3 » Tue Mar 09, 2010 11:42 pm
- 2 Replies
- 2554 Views
- Last post by antiquekid3
Wed Mar 10, 2010 10:29 pm
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- ST-70 with 12AX7?
by DeathRex » Wed Mar 10, 2010 7:25 pm
- 1 Replies
- 3938 Views
- Last post by Geek
Wed Mar 10, 2010 8:35 pm
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- Individual Bias Pots
by antiquekid3 » Sun Mar 07, 2010 9:42 am
- 3 Replies
- 2760 Views
- Last post by Thor61
Mon Mar 08, 2010 8:25 pm
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- St-70 and Bose 601 series 1, 2, or 3 combination?
by tenthumbs » Sat Mar 06, 2010 4:06 pm
- 0 Replies
- 2155 Views
- Last post by tenthumbs
Sat Mar 06, 2010 4:06 pm
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- Dynaco stereo 70's for sale
by burnedfingers » Sun Feb 21, 2010 10:14 am
- 3 Replies
- 3355 Views
- Last post by burnedfingers
Sun Feb 28, 2010 9:50 am
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- 6CA7EH in ST70
by kevco » Sun Jun 21, 2009 5:01 am
- 40 Replies
- 20532 Views
- Last post by burnedfingers
Thu Feb 25, 2010 6:10 am
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- Bias Pot Idea
by antiquekid3 » Wed Feb 24, 2010 7:35 pm
- 0 Replies
- 2060 Views
- Last post by antiquekid3
Wed Feb 24, 2010 7:35 pm
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- stabilizer for st70 and my pre
by mati1979 » Thu Feb 18, 2010 6:37 pm
- 3 Replies
- 2846 Views
- Last post by dspth
Tue Feb 23, 2010 4:21 am
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- st-70 and sca-35 together?
by tenthumbs » Mon Feb 22, 2010 8:12 pm
- 0 Replies
- 2102 Views
- Last post by tenthumbs
Mon Feb 22, 2010 8:12 pm
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- Resistor Types, Carbon, Metal, Wirewound et al How to Select
by tomlang » Sat Feb 20, 2010 6:14 pm
- 4 Replies
- 3685 Views
- Last post by kheper
Mon Feb 22, 2010 7:16 pm
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- ask about Step 29: "Connect the power cord"
by mati1979 » Sun Feb 21, 2010 1:49 pm
- 4 Replies
- 2958 Views
- Last post by Geek
Sun Feb 21, 2010 6:30 pm
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- Running ST-70 in Class A
by Slartibartfast » Thu Feb 11, 2010 9:44 pm
- 35 Replies
- 14446 Views
- Last post by EWBrown
Sun Feb 21, 2010 3:25 pm
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- Power transformer temp/KT88 tube swap
by kingmatt » Mon Feb 15, 2010 4:13 pm
- 11 Replies
- 5980 Views
- Last post by Ty_Bower
Thu Feb 18, 2010 5:19 pm
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- My new PSU board design
by antiquekid3 » Sat Feb 13, 2010 1:40 pm
- 0 Replies
- 2006 Views
- Last post by antiquekid3
Sat Feb 13, 2010 1:40 pm
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