60W 70V Amplifier

60W at 4 to 16 Ohms and 25 / 70V. One channel. Four inputs (2 mic and 1 auxiliary and telephone or 1 mic, 2 auxiliary and telephone). Front panel switch selects microphone 2 or auxiliary 1 input. Mic precedence over the auxiliary 2 input when a customer supplied SPST switch is actuated. Balanced and unbalanced outputs are provided for 4, 8 or 16 Ohms and 25V and 70V systems. Output jacks for patching in tape recorder. Additional booster amplifier or feeding a 500 / 600 Ohms telephone line when an accessory transformer is used. 14.5 in. W x 11 in. D x 3.75 in. H.