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BBN5A questions

Discussion in 'Basses [BG]' started by Avezzano, Mar 11, 2004.

  1. So, I swapped a MIM J 60 Reissue with a Yamaha BBN5A. It has "vol/panpot" then "bass/treble (cut or boost)" and a mid (??) three position rotary switch.

    Few points:

    1) what does the mid control three positions knob specifically do?
    2) what does the "tone" cavity trim set? (The other trimmer being probably for the output level?). It says "Eq 2 cut/boost" but it is still not so clear to me. Is it just related to the treble? (Eq2)?