Heathkit AJ-21 AM Tuner

Tuning range:	550 kc to 1600 kc

Intermediate frequency:	455 kc

Sensitivity (for 20 db quieting IHFM standards): 1000 kc—8 uv

IF bandwidth (6 db down): NORMAL—2 kc.; MAXIMUM—18 kc

Output impedance (cathode follower):	5000 ohms

Input signal for 1 volt output:	2.5 uv—30% mod, 1000 kc

Image ratio:	1000 kc—50 db

Harmonic distortion (750 uv 95% mod.):	Less than 1%

Hum and noise (500 uv—30% mod.):	40 db

IF rejection:		1000 kc—35 db

Tube complement:	2-6BA6, RF amplifier-IF amplifier
			1-6BE6, Oscillator-mixer
			1-12AU7, AF amplifier-Cathode follower
			2-Crystal Diodes, Audio Detector
			1-Silicon Diode, Rectifier (Power Supply)
			1-No. 47 Pilot Lamp (Dial Illumination)

Power supply:		Transformer operated (fused)

Power requirements:	117 V AC, 50/60 cycles at 19 watts

Dimensions: Overall—including cabinet and feet, 4-15/16" high x 13˝" wide x 6" deep

Weight: 8 lbs