Radio Tuner

Main Details
Maker Heathkit Brand Heath Company Company Daystrom, Incorporated Company
  • 1 × Channel
  • 2 × Channel (Stereo with addition of AC-11 Multiplex Converter)
Signal Path Analog Hardware
Made In United States
Date Produced 1961
(H × W × D)
Weight 8lbs (Shipped)
Power Source 105-125VAC, 50/60Hz 25W
Frequency Response 20Hz-20kHz ±2dB
Notes Updated FM-4
Additional Specifications
Tuning Range 88MHz-108MHz
IF Frequency 10.7MHz
Output Voltage (Fixed, 30% Modulation, 20µV Signal) 0.5V
Output Impedance 600Ω
Sensitivity (20dB Quieting) 2.5µV
Sensitivity (30dB Quieting) 3.5µV
Sensitivity (Maximum/45dB Quieting) 25µV
Image Ratio 45dB
AFC Correction Factor 75kHz/V
AM Suppression 25dB
THD (1100µV, 400Hz, 100% Modulation) 1.5%
IMD (60Hz:6kHz, 4:1, 1100µV, 30% Modulation) 1%
Finish Charcoal Grey and Ivory
MSRP (1961) $39.95


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