ESC
FM-3A

FM-3A

BrandHeathkit
ManufacturerHeath Company, Daystrom, Incorporated
FunctionRadio Tuner (Kit)
Produced1957
CountryUnited States
Signal PathAnalog Hardware
Dimensions32 × 9.1 × 14.7 cm (W × H × D)
Weight5lbs (Net), 8lbs (Shipped)
Power105-125VAC, 50/60Hz 35W
Tuning Range88MHz-108MHz
IF Frequency10.7MHz
Output Voltage (Fixed, 30% Modulation at 100µV Input)0.12V
Output Impedance (Fixed)47kΩ
Output Voltage (Variable, 30% Modulation at 100µV Input)1.5V
Output Impedance (Variable)15kΩ
Sensitivity (20dB Quieting, 88Mhz, Unaligned)8µV
Sensitivity (20dB Quieting, 98Mhz, Unaligned)10µV
Sensitivity (20dB Quieting, 108Mhz, Unaligned)15µV
Sensitivity (20dB Quieting, 88Mhz, Aligned)5µV
Sensitivity (20dB Quieting, 98Mhz, Aligned)8µV
Sensitivity (20dB Quieting, 108Mhz, Aligned)9µV
Tube Complement6X4, 6BQ7A, 6U8, 6CB6 (x2), 6AL5, 6C4
MSRP (1957)$25.95
Channels1 Channel