The object is a metal frame with various components attached on the inside. On the front of the frame are two attachment screws, two balance adjustment knobs, two balance push-buttons, and two overload balance indicator lights. Embossed on the front of the frame is "16-6H DUAL D.C. AMPLIFIER." Components include vacuum tubes, capacitors, potentiometers, and two converters. On the back of the frame is a connector with 29 pins.