P bass pickup hum problem?

Discussion in 'Pickups & Electronics [BG]' started by Cutty, Feb 3, 2013.


  1. Cutty

    Cutty

    Joined:
    Jun 25, 2006
    Location:
    U.K.
    My 94 S1 switching P bass has a low freqeunce hum,iv'e fully screened it,and also star point earthing,have re-wired it as a standard P bass wiring,changed the capacitor,but it still does it,i guess this must be a bad pickup?anyone else had a simular problem?i don't want to buy another pickup unless i have to,Help Please!!
  2. DiabolusInMusic

    DiabolusInMusic Functionless Art is Merely Tolerated Vandalism Supporting Member

    Joined:
    Dec 22, 2010
    Location:
    Saskatoon, Saskatchewan
    Do you get a hum that goes away when touch metal/strings/bridge?

    If so, you have a shielding issue, there is nothing wrong with your wiring.
  3. Cutty

    Cutty

    Joined:
    Jun 25, 2006
    Location:
    U.K.
    No,no humming when a i touch,or don't touch the strings.
  4. xroads

    xroads

    Joined:
    Nov 6, 2012
    Have you checked the ground connections?
    Shielding is one thing, but it needs to be connected to ground.
  5. Cutty

    Cutty

    Joined:
    Jun 25, 2006
    Location:
    U.K.
    All grounds are fine,i went over all connections re-soldering them just incase there was a dry joint,seems the pickup is the problem,even screened the pole pieces,but no luck.

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