Very good working condition. Some rack rash. Ideal for mixing a large number of stereo sources (Keyboards & Synth Modules for example) that may be used intermittently. Front Panel 1/4" inputs are Normalled to select the rear panel inputs when not in use. Switchable between one 16 X 2 out OR two 8 X 2 out Mixers with the Link "LINE" Switch. 16 Channel Inputs: Front Panel Switching 1/4 TS; Rear Panel RCA Gain, Pan & 2 Aux per Channel 4 Auxiliary Sends with Master Level Controls 4 Aux Returns 2 Pairs of Main STEREO 1/4" Outputs 2 Pairs of Line Buss RCA Outputs 4 Front Panel LED Meters I am not a technician but she works as expected. Please see detailed pictures for physical condition as what you see is what you will receive. There are no guarantees on vintage electronic items.