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Junior Varsity
A few questions on Specs and equations.
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<blockquote data-quote="Greg Cameron" data-source="post: 57262" data-attributes="member: 42"><p>Re: A few questions on Specs and equations.</p><p></p><p></p><p></p><p>I just purchased a Crest 8001 that was supposedly in full working condition. Turns out the B channel would go into protect with moderate input levels even with no load connected. It took a very experienced Crest bench tech 9 hours to figure out that it was a leaky cap on the protection PCB. The old Crests are usually pretty easy to fix, but even relatively simple amps can be a headache on occasion. Like you said Ivan, schematics are only so helpful. Knowledge of electronic circuit basics and experience are the real tools. As on old Sony 1" VTR manual from 80s once said in plain english for one of those alert balloons on a critical transport adjustment, "The key to making this adjustment is knowing what you are doing." Gotta love that one!</p></blockquote><p></p>
[QUOTE="Greg Cameron, post: 57262, member: 42"] Re: A few questions on Specs and equations. I just purchased a Crest 8001 that was supposedly in full working condition. Turns out the B channel would go into protect with moderate input levels even with no load connected. It took a very experienced Crest bench tech 9 hours to figure out that it was a leaky cap on the protection PCB. The old Crests are usually pretty easy to fix, but even relatively simple amps can be a headache on occasion. Like you said Ivan, schematics are only so helpful. Knowledge of electronic circuit basics and experience are the real tools. As on old Sony 1" VTR manual from 80s once said in plain english for one of those alert balloons on a critical transport adjustment, "The key to making this adjustment is knowing what you are doing." Gotta love that one! [/QUOTE]
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A few questions on Specs and equations.
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