Heathkit AA-81 Mono Power Amplifier

Power output:		35 watts Heath Hi-Fi Rating
			42 watts IHFM Music Power Output (0.7% THD, 1 kc)

Power response:		± 1 db, 20 cps to 20 kc at 35 watts.

Harmonic distortion:	Less than 2%, 20-20,000 cps at 35 watts output

Intermodulation distortion:	2% or less at 35 watts output, 60 and 6,000 cps signals, 4:1

Hum and noise:	80 db below 35 watts.

Input sensitivity:	0.9 v for 35 watts output.

Outputs:	4, 8, 16 and 32 ohms.

Damping factor:	16:1 at 8 and 16 ohm taps; 12.5:1 at 4 ohm tap.

Controls:	Bias voltage
		Bias balance
		Level
		On-Off

Tube complement:	(1) - 6AN8
			(2) - EL84
			(1) - GZ34
			(1) - selenium bias rectifier

Power requirements: 117 v. 50-60 cycles, 100-130 watts

Power outlets: 2 AC receptacles, 1 switched 1 unswitched; Octal socket for pre-amp power, supplies 300 v at 10 ma DC and 6.3 VAC at 1.0 amperes

Color and finish: Black enamel chassis, metallic bronze expanded metal cover

Dimensions: 12" W x 6 3/8" H x 8" D

Weight: 23 lbs