CAJames
Seasoned Member
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"I've run every red light on memory lane."
Posts: 2020
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The first thing you need is a spare set of tubes, just because you never know when one will go bad. Also, the best way to tell if you have a bad tube is to replace it with a good one. And it sounds like you need new power tubes in any case.
My first guess is you blew the fuse, but you say you tested it. How did you test it, with a multimeter? If it were me I would replace it regardless. And I would keep several spares on hand. Is there still power at the outlet? It is possible (but unlikely) you blew the breaker for the whole circuit.
The ZMA has solid state rectifiers so it is highly unlikely anything happened to them. It is possible (but unlikely) something bad happened to the power supply caps or power transformer, but more likely is bad power tubes if the fuse is good.
Good luck.
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