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General Discussion
Gunter Steinhart amps: Help Required
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<blockquote data-quote="ghostinthemachine" data-source="post: 38583" data-attributes="member: 760"><p>Now I being not understanding... what are you doings with these units? </p><p></p><p>I dont think that main problem is valve biasing. I think one of those PL519 tubes are giving up ghost. Buzz can be due to internal arcing. This can destroy an output transformer. Be careful! Steinhart used crappy coupling caps in the stages and that can also cause HT leakage to the power tubes. I delved deep into one of these amps before. It is messy.</p><p></p><p>The switching of inputs with no improvement is an indication that the amps are MONO units. One for left and one for right.</p></blockquote><p></p>
[QUOTE="ghostinthemachine, post: 38583, member: 760"] Now I being not understanding... what are you doings with these units? I dont think that main problem is valve biasing. I think one of those PL519 tubes are giving up ghost. Buzz can be due to internal arcing. This can destroy an output transformer. Be careful! Steinhart used crappy coupling caps in the stages and that can also cause HT leakage to the power tubes. I delved deep into one of these amps before. It is messy. The switching of inputs with no improvement is an indication that the amps are MONO units. One for left and one for right. [/QUOTE]
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Audio and Video Talk
General Discussion
Gunter Steinhart amps: Help Required
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