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Kenwood 7300 amp preamp volume control needs replacement

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Hi Dave

Have you tried floooding the internals of the vol control with a contact lubricant spray... CRC2-26 is my favourite magic fix for noisy controls.

regards
robotek

Posted on May 02, 2008

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Hi

Sorry for the delay in getting back to you, you have an odd problem happening there, the pre-amp being the common denominator to the syptoms. Perhaps you could try reducing the attenuators to say 60% and retry at the same levels you used to use at the preamp. It is unlikely that there is a fault occurring that would increase the output of the preamp, more likely to be a DC component getting through. It could also be possible that the amps if all the same make and model have through over the period of installation developed the same fault.
There will have to be a common contributor to the symptoms. It is not uncommon for the same problem to affect a particular model at the same point of its life. Best approach and easiest to fault find it would be to change out the preamp with something similer to test the system and see what happens. At least tyouy will know where to start looking. Hope I have been able to help you, still happy to discuss it further. In the Free section our only reward is a FixYa ratings. Cheers

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