Question about Profile 600MSX Car Audio Amplifier

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Blowing Fuses I have had my Profile California 600MSX hooked up in my car for years. I have it pushing 2 12-inch JBL's in a ported box. A couple months ago the 45amp main fuse in the B+ line blew. I replaced it with a 100amp fuse and the 3 20amp fuses on the amplifier blew. Everything is still connected the way it always has been. I have tried everything to get my amplifier working again. Please help.

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If you disconnect the speaker wires from the amp and the fuse blows only after the remote voltage is applied (when the head unit is switched on), the output transistors are likely shorted.

Posted on Nov 25, 2007

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