Unknown Bass


Like one of the unknown guitars, the date (1980), general shape, pickups, body and neck inlays all cause us to think this is an early Thunder model.

The function of all those switches is unknown.

Update March 2018– Info & New Pictures Courtesy Forum Member BQmusic:

Controls are:

  • master volume
  • 3-way pickup selector
  • passive tone
  • preamp volume (active, battery powered))
  • mini toggle for preamp on/off
  • Varitone
  • pickup selector
  • series-parallel switches
  • phase switch
(click to enlarge):


— Archive Photos —

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