nt90

  1. albertforns

    Q: Thumb NT'90: What is actually the treble knob pull thing?

    Hi all! I have a Thumb NT'90, a real oldie but still young and fresh. It has the original Bartolini pickup system and I have no problems with it appart from being able to play it too less time. I have a doubt: When you pull the treble knob you have a different sound that affects the bridge...
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