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Last modified 2023-07-07

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National NC-57

A picture of National NC-57

SPECIFICATIONS

GENERAL
Type:HF/VHF receiver
Frequency range: 0.54-55 MHz in five bands
Tuning steps:Analog / continuous
Frequency stability:? ppm
Mode:AM / CW
Channels / memory management: None
Power supply:Mains
Current drain / power consumption:? W
Antenna impedance / connector:? ohm / ?
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:




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




MISCELLANEOUS
Manufactured:USA, 1947-1951 (Discontinued)
Additional info: 9 tubes
New price 1948 in the US: $89.50
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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