The Big Review: DSM & Humboldt Simplifier DLX | Guitar.com | All Things Guitar
DSM & Humboldt Simplifier Amp and Cab Sim Pedal - Andertons Music Co.
DSM & Humboldt Electronics - SIMPLIFIER is pure engineering bliss. Beautiful inside, beautiful outside. You can run MONO or Stereo, with its 3 voicing preamp (AC/AMERICAN/MS), power amp sim for that tube