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Last modified 2017-12-17

Heathkit GR-78

A picture of Heathkit GR-78

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range: 0.19-30 MHz in six bands
A: 0.19-0.41 MHz
B: 0.55-1.3 MHz
C: 1.3-3 MHz
D: 3-7.5 MHz
E: 7.5-18 MHz
F: 18-30 MHz
Tuning steps:Continuous
Mode:AM/SSB/CW
Channels/memory management:No
Power supply:9.6 VDC (NiCd battery pack)
Mains: 120/240 VAC or 12-15 VDC external (for battery pack charging only)
Current drain/power consumption:65 mA @ 50 mW audio output level
Antenna impedance/connector:? ohms / Screw terminals
? ohms / Built-in telescopic whip
Dimensions (W*H*D):292*159*229 mm (11.5*6.25*9")
Weight:4.54 Kg (10 lbs)
Other features:ANL. 500 KHz xtal calibrator




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (Band A-E)
IF: 455 KHz
Double conversion superheterodyne (Band F)
1st IF: 4.034 MHz
2nd IF: 455 KHz
Sensitivity:0.2-10 uV (depending on band and frequency)
Selectivity:7 KHz (-6 dB)
Image rejection: Band A: >65 dB
Band B: >60 dB
Band C: >48 dB
Band D: >35 dB
Band E: >25 dB
Band F: >35 dB
AF output power/speaker:300 mW at ?% distortion / ? ohms
External speaker connector:




MISCELLANEOUS
Manufactured:USA, 1969-1977 (Discontinued)
Additional info:Kit price 1971 in the US: $129.95
Kit price 1977 in the US: $169.95
Related documents:Alignment and user manual (3.6 MB)
Modifications:
Options/Accessories:
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