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Mesa Boogie Bass 400+ Wiring?

Discussion in 'Amps and Cabs [BG]' started by Mesa Man, Feb 11, 2004.


  1. Ok, so I have been playing my M/B Bass 400+ for about 4 years now, and I still havent figured out how this thing is wired!

    Is it gain-tonecontrol-EQ-Master, or is it gain-tonecontrol-Master-EQ, or maybe gain-EQ-Tonecontrol-Master? Is the effectsloop before or after the EQ? This beast looks so simple and straightforward to the eye.. but apparently it fooled me! :) But I love its tone, just have to get my self to the gym in order to get it on tour! ;) (or get roadies!!)

    Can anyone help me with this wiring issue?
     
  2. Benjamin Strange

    Benjamin Strange Commercial User

    Dec 25, 2002
    New Orleans, LA
    Owner / Tech: Strange Guitarworks
    If memory serves me correctly, it's gain, tone controls, graphic EQ, FX loop, master.