gonzosc1 Posted May 23, 2010 Report Share Posted May 23, 2010 just got a yamaha RBXJM bass. active electronics. the problem is, when the pup blend knob is centered the bass is good to go and dead quite, start to pan in either direction and what sounds like a ground hum starts to come through. hum is equal when panned to either side. 1/4" input needs to be replaced for starters as it cuts in and out with some movement. but can't track down this hum... Quote Link to comment Share on other sites More sharing options...
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