bo4

  1. R

    Thumb BO4 neck screws.

    Hi all, Going to get some new neck screws. Quick question, does the Thumb BO use the 4.5x35mm or the 4.5x40mm screws? Cheers
  2. R

    Thumb BO4 electronics upgrade question.

    Hi, Another question, was wondering if it is possible to get hold of the Thumb NT4 pots and circuit and put them into a Thumb BO4? Will the MEC pickups be compatible? The circuit I need (three pots, two stacked with a single mid control) seems to be available in the shop here: Is...
  3. G

    replacement jack for thumb BO-4 2002

    Hi everyone, Im after a replacement, any recommendations? Cheers
  4. T

    1999 Thumb BO4 neck

    I am new to forums in general but have a question regarding my newly aquired Thumb bass. I know the front of the body is concave but i noticed the neck heel does not sit flush on the body. It seems as if the neck is notched , but it rest higher on the short horn side. Is this "normal" ? It...
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