I got back from playing a festival gig on Friday night, plugged my Fender Jazzbass in yesterday at band rehearsal and the stock bridge pickup has apparently gone "very" microphonic overnight? Unless both pickups are set to the same, hum cancelling output, it squeals like a piglet, even at relatively modest volume levels, not a sound I want to encourage
So, any suggestions, These a normally great sounding lowish output pickups that really suit the bass (Japanese 2003 Geddy Lee Fender Jazz'). Is there a straight forward home fix, does it need wax potting oris time to replace the set?
Help please,
C
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"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
Does the instrument have metal screening plates in the bottom of the pickup and control cavities? These can resonate. That would introduce mechanical squeal. It does not explain why balancing the volume of the two pickups negates the squeal.
Has the bridge been unscrewed at any time?
It did start to rain quite heavily after we played, but I'm fairly certain the bass didn't get wet, could be the humidity or a stray unnoticed splash or raindrop I guess?
The squeal does sound like the howling feedback of a very microphonic pickup through a cranked amp or pedal, and the bridge pickup picks up a lot of handling noise when tapped with fingers or pick, which it didn't until yesterday ( the neck pickup is almost silent when tapped).
I'll leave the bass out on a stand to "dry out" on the off chance and try again tomorrow night
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