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Carvin SB5000 Electronics Picture

Discussion in 'Pickups & Electronics [BG]' started by dougazbass, Mar 11, 2013.

  1. dougazbass

    dougazbass Supporting Member

    May 6, 2011
    Mesa, AZ
    Can someone show me a picture of the electronics in an SB5000 or 4000 bass? I just bought an SB5000 and the stacked bass/treble does not work and the push/pull mid sweep seems to turn the bass on(out) snd off (in). I like the bass so if it is an easy fix I would keep it.

    JAUQO III-X Inactive

    Jan 4, 2002
    Endorsing artist:see profile.

    Contact Carvin.
  3. testing1two

    testing1two Supporting Member

    Feb 25, 2009
    Southern California

    First, check the battery. The push/pull pot is an active/passive switch and the knob itself is a passive tone control. So when you pull the knob out you bypass the preamp (i.e. the bass & treble controls) and you're left with volume/volume/tone.

    If you push the tone knob switch down and are getting no sound, the preamp is not getting power or is malfunctioning.
  4. Funkinthetrunk

    Funkinthetrunk Registered User Supporting Member

    If you have a push/pull, then you don't have mid sweep. If you pull up on this knob, you are in passive mode so no treble and no bass. It becomes a passive tone knob. Like he said....

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