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Mark Levinson No 27 Problem
I am having intermittant problem with a No27 Levinson.
Breaker trips on front and emits a buzz in speaker on one channel. When I ramp up with variac to 50v one channel has alot of DC offset (300mv) and after about a minute it drops to 10mv. At that time I can continue to ramp voltage up to 120v without tripping breaker. The amp plays fine after doing this startup procedure. When power is removed it goes back to the same problem on restart. Could this be a bad cap? Its difficult to trace because using the variac seems to temporarily cure the problem before I can start troubleshooting. |
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