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The Alpine MRV-M500 can be identified by its model number: MRV-M500. It is a Mono V-Power Digital Amplifier released in 2013.

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No sound coming from amp

The amp Powers up but I get no sound when I hook up speakers. I've tried several speakers. So it's definitely something to do with the amp. Blown channel? Can it be fixed and if so around how much for the repair?

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Hi @cheddarbob ,

Have you checked the signal source to prove that there is something going into the amp?

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The output FETS could be blown. You need to bust out an O-Scope to see if you are getting gate drive from the driver IC. These amps are like $80 used so you may have a hard time finding a tech to fix it for less than $100. Good luck!

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Robert schwarz will be eternally grateful.
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