Sweep graphic equalizer. Mono/Stereo, 5 band, lo cut switches for left and right, input level controls. Black face with red knobs. Tiny scuffs on face, low use unit. Engineering sample, AP mods: Power Supply, improved grounding/shielding, Mid/Hi filters. Condition #9.
Modified with special footswitch to select channel--Call for details! Very good #8+ condition. Professionally cleaned and serviced.