Heathkit AA-201 Stereo Combination Amplifier Channels: 2 Power Output: 6 watts (3 w. per channel) Heath Utility Rating Power response: ± 1 db, 50-20,000 cps at 3 watts output per channel Harmonic distortion: Less than 3%, 60-20,000 cps at 3 watts per channel Intermodulation distortion: Less than 3%, 60 and 6,000 cps signals, 4:1 Hum and noise: 65 db below 3 watts output Input sensitivity: 150 mv for 3 watts output each channel, crystal phono and tuner Outputs: 4, 8 and 16 ohms Controls: Dual clutched volume ganged treble ganged bass 7-position selector switch speaker phasing switch on-off switch Tube complement: 2-EL84 2-7199 1-EZ81 Power requirements: 117 volts, 50/60 cycles. 75 watts Color and finish: Black enamel with ivory front panel Dimensions: 12½" W x 3¼" H x 6¾" D Weight: 11 lbs.