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Sandberg Electra Owners- How to convert to pre-amp bypass like older models?

Discussion in 'Basses [BG]' started by Jim C, Jun 14, 2019.

  1. Jun 14, 2019 #1
    Jim C

    Jim C I believe in the trilogy; Fender, Stingray, + G&L Supporting Member

    Nov 29, 2008
    Bethesda, MD
    I was reading an add in Reverb where an owner of a Sandberg Electra VS4 (P bass model) mentioned that by pulling the volume pot, it turned off the pre-amp for passive mode.
    Mine is a little over 1 year old.
    I've exchanged emails with Mike at Sandberg who explained that they discontiued that feature and that I could either install a switch or pot with a switch.
    I have asked for a schematic but thought it might be easier to see if anyone has this model and can take a look at the circuit.

    BTW, these Electra's had the wood fabricated in Korea and then assembled in Germany.
    Super high quality for a great price.
    None of the US dealers stock these anymore.
    Wonder what happened?
     
  2. Jun 24, 2019 #2
    Jim C

    Jim C I believe in the trilogy; Fender, Stingray, + G&L Supporting Member

    Nov 29, 2008
    Bethesda, MD
    You've got to love Mike at Sandberg.
    Here's the schematic.
    Can be done with a push/pull pot or a switch
     

    Attached Files:

  3. Jun 8, 2021 #3
    HookBass

    HookBass

    Apr 13, 2015
    Hello there, saw this post because I too am looking to add a simple switch to make the bass passive. Any chance you were able to figure out how to wire a switch in this schematic?