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Old 10-04-2010, 09:40 PM
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Join Date: Oct 2008
Weird pickup problem

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Why would a Jazz Bass pickup show normal DC resistance and have extremely low output? The other pickup is fine, the wiring is fine, but this pickup has almost no sound. I connected both pickups directly to the output jack (one at a time) to eliminate the wiring in the bass, and one pickup sounds fine and the other has almost no output. I tried reversing the polarity, no difference. The pickup isn't shorted and it's not open. What gives?

Well, I just checked the magnetism with a screwdriver - the low output pickup has no attraction and the good one has strong attraction. I guess that's the problem.

Are pickups magnetized after they're wound? Or are the magnets already there?

Last edited by jrmintz : 10-04-2010 at 09:47 PM.
  #2  
Old 10-04-2010, 09:43 PM
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Join Date: Sep 2010
Magnets dead?
  #3  
Old 10-04-2010, 09:46 PM
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Join Date: Jan 2006
Location: Brookfield, CT
Yep, weakened magnets would sure do it. Stick some steel object to each pup as see if you can detect the difference in strength.
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