amp powering on but not working

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ccityroadshop

Copper - Posts: 76

Joined: December 15, 2008

Location: Mississippi, United States

Posted: March 05, 2009 at 10:37 AM / IP Logged

hmmm well both fuses are fine, i also just noticed that the gain control knob on the amp is free spinning it wont stop turning if i go up or down both ways, so that may have something to do with it right, ive got the amp opened up can i take that piece off that the gain knob is slid into and replace it?

mustang GT convertible with lots of performance mods... Alpine M500 amp with sealed enclosure, 10 inch kappa perfect, clarion cz500 head unit, kicker ks speakers all around

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i am an idiot

Platinum - Posts: 13,670

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: March 05, 2009 at 7:28 PM / IP Logged

Yes there is a good chance that is a problem. Is this a 5 or 6 channel amp? If so the gain control should only affect 2 of the channels. There should be some numbers and a letter printed on the side or back of the potentiometer. What are they?

Edit: You initially said it was a Memphis Belle, those are 5 or 6 channel amplifiers. The model number you posted is for a 1 channel amp. There is a very good chance that the gain pot is your only problem. Memphis will not sell any parts to even an authorized dealer. If you can give me the numbers off the side of the pot I can at least tell you the value and the taper of the OEM part.

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ccityroadshop

Copper - Posts: 76

Joined: December 15, 2008

Location: Mississippi, United States

Posted: March 08, 2009 at 11:34 PM / IP Logged

yeah that was my bad its not a belle just a mono block

mustang GT convertible with lots of performance mods... Alpine M500 amp with sealed enclosure, 10 inch kappa perfect, clarion cz500 head unit, kicker ks speakers all around

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amp powering on but not working

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