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Amp not responding after bi amplifying speakers. I forgot to remove connecting bars from back of one of the speakers. What could have happened and is it likely to an expensive repair?

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  • rskang10 May 11, 2008

    Amp is an arcam delta 290

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Oh boy.......well, looks like you tied the output of one amp to the output of another amp. Kind of like tying the front bumpers of 2 cars together and having the cars push against each other. The stronger car wins and crushes the weaker car.

Unplug the amp. Check the fuse. If its blown, Unplug all your cables to the suspect amp, and try a new fuse 20 % SMALLER than the original. If the amp fires up, then take a voltmeter and check for DC VOLTAGE between the positive speaker connection and the negative speaker connection. Do this with both channels. If there is more than 0.05 volts of DC present for any one channel, while the power is on and there is no signal going into the amp, then you have problems best looked at by a repair shop.

If the fuse blows immediately, you have problems for a repair shop.

Repeat the procedure with both amps.

Best of luck......Rob

Posted on May 12, 2008

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http://www.brilliancehifi.co.uk/how-to-bi-wire-speakers.htm

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You'll rarely find anyone who can produce a measured audible difference with any of the snake-oil schemes to get into your wallet. It's always flowery prose and faith.

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Chris-

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