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Old 22nd February 2012, 10:13 PM   #21
Wavebourn is offline Wavebourn  United States
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Amplifier Saftey
Quote:
Originally Posted by Rundmaus View Post
Do spark gaps of appropriate trigger voltage do the job equally well? I would also like to protect my OPTs, but if possible without giving up the 'no semis' design idea...
"Semis" work only and only when the amp starts clipping while output is disconnected, otherwise they are out of signal path. However, you need quite powerful and fast high voltage diodes. I used diodes that I salvaged from TV sets.
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