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Last modified 2023-07-05

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National HFS

A picture of National HFS

SPECIFICATIONS

GENERAL
Type:HF/VHF/UHF receiver
Frequency range: 27-250 MHz in 6 bands (By plug-in coils):
A:   178-250 MHz
B:   120-178 MHz
C:   80-120 MHz
D:   56-80 MHz
E:   41-60 MHz
F:   27-42 MHz
Tuning steps:Analog / continuous
Mode:AM / FM / CW
Channels / memory management:None
Power supply:6.3 and 180 V from external PSU
Current drain / power consumption:2.13 A @ 6.3 V
38 mA @ 180 V
Antenna impedance / connector:70-300 ohm / ?
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:10.7 MHz IF/converter output.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne-superregenerative
IF: 10.7 MHz
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




MISCELLANEOUS
Manufactured:USA, 1948-19xx (Discontinued)
Additional info:New price 1948 in the US: $125.00 (Without PSU)
Related documents:User manual 2.7 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
686S
5886
Battery powered vibrapack. 6 VDC
Mains power unit. 110/120 or 220/240 VAC
An inside picture of National HFS
A rear picture of National HFS