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Last modified 2023-06-06

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Hammarlund SP-600-J "Northern Radio 159"

A picture of Hammarlund SP-600-J ''Northern Radio 159''


Type:HF/VHF receiver
Frequency range:0.54-54 MHz in six bands
Tuning steps:Analog / continuous
Frequency stability:? ppm
Mode:AM / CW
Channels / memory management: None
Power supply:Mains: 95-260 VAC
Current drain / power consumption:? VA
Antenna impedance / connector:100 ohm / Balanced or single wire
Dimensions (W*H*D):545*315*432 mm (21.46*12.4*17"), with cabinet
Weight:? Kg (? lb)
Other features:

Receiver system: Single conversion superheterodyne (Below 7.4 MHz)
IF: 455 MHz
Double conversion superheterodyne (Above 7.4 MHz)
1st IF: 3.955 MHz
2nd IF: 455 KHz
Sensitivity:2.3 uV (S/N ratio 10:1)
Image rejection:Better than 50 dB
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:

Manufactured:USA, 196x-196x (Discontinued)
Additional info: An unusual version where the diversity functions were
implemented by Northern Radio Company Inc. NY.
Related documents: User manual (5.4 MB)
Schematic (167 KB)
Modifications and fixes:
Options / Accessories:
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An inside picture of Hammarlund SP-600-J ''Northern Radio 159''
A rear picture of Hammarlund SP-600-J ''Northern Radio 159''