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Help? Kenny KA-7100

Moth R. Superior

Active Member
Greetings, I am having problems with the left channel of my Kenwood.
It simply isn't there.
HOW DO I SOLVE THIS?
thanks in advance!
-Mike
 
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Greetings, I am having problems with the left channel of my Kenwood.
It simply isn't there.
HOW DO I SOLVE THIS?
thanks in advance!
-Mike

first, very nice amp, purchased one new in 78, sold it later and regretted it ever since

This may not help but have you tried excersizing the controls? Quite often when a channel drops out no more is wrong than needing a good cleaning and also as often excersizing the controls will temporarily fix the issue.

With the amp off rotate all of the knobs rapidly back and forth 10 or more times, also flip switches up and down repeatedly, this often wipes off slight corrosion built up from either lack of using the controls or just age.

give it a try, nothing to lose, if it works see about getting a proper cleaning performed, but remember, even after it's a good idea not to let individual controls sit idle, even the lubricating grease will gum up.

you can also try swapping leads from your source, left vs right to determine if it's the amp or source, see if it swaps channels. Same with the speaker leads to determine if it's the speakers. Also try changing the interconnects from the source, possibly you have a bad cable.

Sometimes removing the cables and reinserting them works, lots of things for you to try, good lick.
 
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it works with headphones
Points to a dirty speaker selector switch. Speakers and headphones come from the same feed. Try connecting speakers to set B. Remember L&R speakers are mounted top/bottom rather than across.
upload_2022-1-17_15-46-41.png
EDIT:Amongst the worst (to use) speaker posts. Applies to KA-5700 and others.
 
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