The A470 OPT, an interesting work of art.

knowledge base for the classic Dynaco ST70

Postby Geek » Sun Jul 08, 2012 12:05 am

Dang! I measured it, but didn't post it and can't find the note-scribble sheet >.<

Anyone with an A420 handy? Measure the primary inductance with the secondaries shorted.... that's the leakage. Should be in the mH range, so a DMM will do it.
-= Gregg =-
Fine wine comes in glass bottles, not plastic sacks. Therefore the finer electrons are also found in glass bottles.
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Postby LinuxGuru » Sun Jul 08, 2012 2:03 am

Geek (or just anyone else), do you have any other audio transformer dissected?
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Postby Geek » Sun Jul 08, 2012 2:25 am

-= Gregg =-
Fine wine comes in glass bottles, not plastic sacks. Therefore the finer electrons are also found in glass bottles.
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