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Last modified 2018-01-19

Heathkit HR-1680

A picture of Heathkit HR-1680

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range: 10-80 m in 6 bands
3.5-4.0 MHz
7.0-7.5 MHz
14.0-14.5 MHz
21.0-21.5 MHz
28.0-28.5 MHz
28.5-29.0 MHz
Tuning steps:Continuous
Mode:SSB/CW
Channels/memory management:No
Power supply:Mains: 120 or 240 VAC (depending on market)
11.5-15 VDC
Current drain/power consumption:Max 750 mA @ 13.8 VDC
Antenna impedance/connector:50 ohms / Phono (RCA)
Dimensions (W*H*D):324*171*305 mm (12.76*6.73*12.01")
Weight:6.3 Kg (13.89 lbs)
Other features:100 KHz calibrator




RECEIVER SECTION
Receiver system:Double conversion superheterodyne
1st IF: 8.395-8.895 MHz
2nd IF: 3.395 MHz
Sensitivity:0.5 uV (10 dB S+N/N)
Selectivity:2.1 KHz (-6 dB), 7 KHz (-60 dB)
Image rejection:50 dB
AF output power/speaker:? W at ?% distortion / ? ohms
External speaker connector:Phono (RCA)




MISCELLANEOUS
Manufactured:USA, 1977-1981 (Discontinued)
Additional info:
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A rear picture of Heathkit HR-1680