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I have a Kenwood KM-208 amplifier. I powers on, but I get…

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I have a Kenwood...

I have a Kenwood KM-208 amplifier. I powers on, but I get very very low volume out of it. It was working fine, then volume cut out.

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Submitted: 7 months ago.Category: Electronic Musical Instruments
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Answered in 4 hours by:
11/26/2017
Electronic Musical Instrument Expert: ITPeter, Electronics Engineer replied 7 months ago
ITPeter
ITPeter, Electronics Engineer
Category: Electronic Musical Instruments
Satisfied Customers: 20,387
Experience: Over 16 years' experience in installing and repairing electronics.
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Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.

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Electronic Musical Instrument Expert: ITPeter, Electronics Engineer replied 7 months ago

Approximately how old is the amplifier?

What input devices do you have connected to it, and what type of connection are you using?

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Customer reply replied 7 months ago
It's about 30 years old. It has a Kenwood preamp and eq connected with rca cables
Electronic Musical Instrument Expert: ITPeter, Electronics Engineer replied 7 months ago

Does the preamp and eq work ok if connected to a different amplifier?

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Customer reply replied 7 months ago
I do not have another amp. But they seem to be working ok. When I turn the amp up, music is very low in volume and a little statticy
Electronic Musical Instrument Expert: ITPeter, Electronics Engineer replied 7 months ago

Ok, if you can rule out a problem with the preamp then the problem is likely with the amp itself -

there are fuses in the amp to protect the outputs from speaker shorts, etc.

So check the fuses first.

However they don't always work fast enough and sometimes the output transistors can get fried, so if the fuses are good then have the transistors checked next.

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