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Last modified 2023-06-08

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Heathkit HX-1681

A picture of Heathkit HX-1681

SPECIFICATIONS

GENERAL
Type:Amateur HF transmitter
Frequency range: 10-80 m in five 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
Tuning steps:Analog / continuous
Frequency stability:? ppm
Mode:CW
Channels / memory management:None
Power supply:External PSU
Current drain / power consumption:250 mA @800 VDC
50 mA @ 250 VDC
10 mA @ -115 VDC
2.5 A @ 12.6 VAC/DC
Antenna impedance / connector:50-75 ohm / ?
Dimensions (W*H*D):324*171*305 mm (12.76*6.73*12.01")
Weight:? Kg (? lb)
Other features:




TRANSMITTER SECTION
RF output power: 100 W (75 W on 10 m)
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:-
Microphone input level:-




MISCELLANEOUS
Manufactured:USA, 1979-1982 (Discontinued)
Additional info: New price, christmas 1979 in the US: $239.95 (Kit)
New price, christmas 1981 in the US: $199.95 (Kit)
Related documents: RF finals: Two 6146A
Modifications and fixes:
Reviews:
Options / Accessories:
PS-23 Power supply