Strange new noise Warwick Corvette 5 Str Bass Help!

Discussion in 'Pickups & Electronics [BG]' started by tb4sbp, Jan 22, 2018.

  1. tb4sbp


    May 9, 2017
    North East
    I am looking for help with a Warwick Corvette STD 2008 passive 5 string

    Just a couple of weeks ago a strange hum noise like a single coil hum started happening. Now it is so bad that it will cause feed back when any amp is at higher volumes, band playing volumes. The hum goes away when then tone is rolled off all the way. Looked at the electronics and nothing appears visually out of place. Physically all the connections are fine. The hum noise is there for all three neck, both or bridge pick up selection (single coil Jazz type). I was thinking a grounding issue but that usually goes away if you touch the strings or the wires inside the cavity but the noise is still there. Rolling off the tone you can hear the noise lessen the more bass it gets and less treble. Both pickups are just as responsive and loud as ever. No noticeable difference with either pickup.

    Anyone got an idea or have experienced this before?
  2. songwriter21

    songwriter21 I have an obsession for wood. The musical kind. Supporting Member

    Jul 31, 2005
    Moderators, please move this to Hardware, Setup & Repair.
  3. DiabolusInMusic

    DiabolusInMusic Functionless Art is Merely Tolerated Vandalism

    A grounding issue would get louder when you touched metal. A shielding issue (RF interference) would stop when you touch metal. Do the pickups scoop out when you balance them? I'm thinking they might not be wired to buck hum when balanced but I am not positive.

    If you want a post to be moved, just report it and the mods will take care of it. That being said, this is in the right forum.
  4. tb4sbp


    May 9, 2017
    North East
    I did think of shielding as there is none on the bass. But it did not make this noise before. I have tried the bass with different amps and locations with the same noise happening. I am thinking that one or both of the pickups may have blown? It has been very cold recently (New England area) and maybe the cold damaged the pickups somehow?

    I have not seen anything like this before. And the bass has always sounded very good with not much of the single coil hum in the past. This just started happening so I am thinking that something electronic has failed.

    Thanks for answering though
  5. tb4sbp


    May 9, 2017
    North East
    Sorry if I posted this in the wrong area
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