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gk users, help out an ignoramous

Discussion in 'Amps and Cabs [BG]' started by ravenousgibbs, Apr 19, 2004.

  1. what is the difference between the gk400rb-III and the gk400rb-IV, i've only had a chance to play the gk400rb-IV, and i was wondering if there was a big difference between the two heads, and wether or not the gk400rb-III is rack mountable or not, thanks
  2. Fred312b

    Fred312b What if I want to play jazz precisely? Supporting Member

    Apr 23, 2002
    Chicago, IL
    all gk heads are rackmountable (if you get the kit). other than a newer pre-amp voicing (supposedly to make it warmer sounding), the IV has more power output than the III. :bassist: