Utility Amplifier is a rugged and compact six-watt, dual-input amplifier with a wide variety of applications such as background music in a doctor's waiting room, relaying fast-food restaurant orders from counter to kitchen, or sound reinforcement in a small church. The GA6A delivers rated power at not more than 1% total harmonic distortion from 75Hz to 15kHz into matched loads. A low-impedance balanced or unbalanced microphone input and wide-frequency auxiliary input are provided, with built-in mixing and individual front-panel controls. The unit is protected by both thermal and over-current circuit breakers. Output connections are easily made via screw terminals on the rear panel. Tone control can be adjusted on the rear panel, and an illuminated rocker-type frontpanel power switch is provided. The chassis is fabricated from sturdy cold-rolled galvanized steel.