Heathkit AA-1 Audio Analyzer

Frequency Response:
AC VTVM--10 cycles to 100 kc ± 1 db.
Wattmeter--10 cycles to 50 kc ± 1 db.
IM Analyzer High Pass Filter--2000 cps to 12000 cps.
IM Analyzer Low Pass Filter--10 cps to 600 cps.

Range: AC VTVM--0.01, 0.03, 0.1, 0.3, 1, 3, 10, 30, 100, 300 V. RMS full scale.
DBM-- -40, -30, -20, -10, 0, +10, +20, +30, +40, +50. Reads from -65 to +52 DBM.
Wattmeter--15 mw, 1.5 mw, 15 mw, 150 mw, 1.5 w, 15 w, 150 w full scale.
Maximum continuous power 25 watts, intermittent power to 50 watts.
IM Analyzer--1%, 3%, 10%, 30%, 100% full scale.

Input Impedance: AC VTVM--1 megohm or 4, 8, 16 or 600 ohms switch selected.
IM Analyzer--1 megohm or 4, 8, 12 or 600 ohms switch selected.
Wattmeter--4, 8, 16 or 600 ohms internal load, 10,000 ohms across ext. load.

Output Impedance:
Low and High Frequency Output--3000 ohms (600 ohms when shunted with a 750 ohm resistor).

Internal Generator Frequencies: Low Frequcncy--60 cycles. High Frequency--Approximately 6 kc.

Accuracy: AC VTVM and Wattmeter--Within 5% of full scale.
IM Analyzer--Within 10% of full scale.

Power Requirements: 115-125 VAC, 50-60 cycles, 20 watts.

Dimensions: 13" wide x 8½" high x 7" deep.