Posted by Dave Rawlings on July 17, 2001 at 08:17:18:
In Reply to: uh oh! GK800rb posted by Uncle Sloppy on July 16, 2001 at 21:07:04:
A couple of things you might check out that may cause excess hum:
1. Is the electronics cavity in the bass lined with copper? Are all the pots
that require it, properly grounded as is the bridge? Might sound like little
things but ALL bass manufacturers can let something like this slip through the
2. Does the amp have a ground reversing switch? Depending on the circuit design,
this may not be necessary. Most tube type amps do, most solid state types don't
but that's not electronically gospel.
3. Check the pickups for any loose wires either at the pickup end or at the
Hope these little items help you narrow down your problem.
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