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Last modified 2024-01-14

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Heathkit GR-18

A picture of Heathkit GR-18


Type:RDF receiver
Frequency range: ?-? MHz in three bands
A:   0.18-0.42 MHz (LW / Beacon)
B:   0.54-1.61 MHz (MW / BC)
C:   1.6-4.05 MHz (MB / Marine)
D:   3.95-11.5 MHz (SW)
Tuning steps:Analog / continuous
Frequency stability:? ppm
Mode:AM / SSB / CW
Channels / memory management:None
Power supply:9.6 VDC (NiCd battery pack)
or mains: 120/240 VAC
or 12-15 VDC external (for charging battery pack only)
Current drain / power consumption:50 mA @ 50 mW audio output level
Built-in antennas:Rotatable ferrite bar
Telescopic whip
External antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):289*165*219 mm (11.37*6.5*8.62")
Weight:4.54 Kg (10 lb)
Other features:

Receiver system: Single conversion superheterodyne
IF: 455 KHz
Image rejection: LW: 60 dB
MW/BC: 50 dB
MB: 40 dB
SW: 25 dB
AF output power / speaker:300 mW at 10% distortion / ? ohm
External speaker connector:

Manufactured:USA, 1970-197x (Discontinued)
Additional info: Based on GR-78 and shares most of the circuitry.

Kit price 1970 in the US: $124.95
Related documents:
Modifications and fixes:
Options / Accessories:
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