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Speaker channel i have ablown/noisy but no music speaker channel on my ancient akai prolab amplifier its old but i love it and cant seem to find a wiring schematic anywhere HELP

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You are not likely to find this online due to its age, but perhaps we can help to repair this. What exactly is the problem and do you have experience in repairing gear at all?

Dan

Posted on Jun 20, 2008

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I would suggest not using the amp before the problem is sorted. It may damage your new speakers :)
  1. It is possible that your input selector switches may be Noisy. What happens when you operate them, does it exasperate the problem?
  2. Noisy control pots may also be contributing to the problem. taking the lid off and giving the pots and switches with decent squirt of contact cleaner lube (I use CRC2-26)
If you still have issues, is the problem there on both channels?
If it is then there may be a power regulator issue.Is there a DC offset on the left and right speaker output(check with a DVM).

You can find a schematic here.

I am happy to talk to you more about the problem. I would need to talk a bit further with you, just ask away in here.


regards
graeme

Feb 11, 2008 | Audio Players & Recorders

2 Answers

Schematic Drawing


I can't seem to find a free one anyplace and that includes web searches, library of congress, etc. I would suggest contacting Pyramid:

www.pyramidcaraudio.com-there is no support at the site...

Pyramid Car Audio
1600 63rd. Street
Brooklyn N.Y. 11204
1-800-444-5671
Local (718) 535-1800
Fax (718) 236-2400
support@pyramidcaraudio.com

Sorry could not be of more help...
Jeff

Jan 22, 2008 | Audio Players & Recorders

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