Rockford Fosgate Punch P300X1

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Amp powers up and idles fine..

amp is producin +- 40 volts of rail

Also is producing + - 15 volts..


Problem im having is with power ground and remote hooked up NO RCA'S with a spaker connected to the output terminals

I get a very loud humming comming thru the test speaker.. The Voltage measure directly across the speaker terminals pulse's a lil from 00.1 to 0.21 V

Any ideas where to start??
 
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