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Desktop Shortwave receiver
Desktop Shortwave receiver
Desktop Shortwave receiver

General

HAM bands ? ? ?
Freq. stability ? ? ?
Tuning steps ? ? Continuous

Receiver

RX-range 0.3-30 MHz 0.55-30 MHz 15,5-26,6 / 23,5-41 / 37,5-65 / 64-115 meter
110-175 / 170-300 / 290 - 570 meter optional
Modulations AM   CW   AM   CW   AM  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? Single conversion TRF with regeneration
IF-freqs. ? 455 kHz ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range - - -
Modulations - - -
RF-output ? ? ?

Connections

Antenna - - -
Impedance 50 Ω 50 Ω 50Ω
Other - - -

Electrical

Power req. ? 105-125V AC 6 + 45 + 135 + 180 V
Current RX ? ? ?
TX - - -

Physical

Manufactured Between 1938 and 1945 in USA Between 1962 and 1963 in USA Between 1929 and 1935 in USA
Dimensions ? 343 × 195 × 220 mm
(13.50 × 7.68 × 8.66 in)
?
Weight ? ? ?
Form factor Base Station Base Station Base Station

Other features

Memories ? ? None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? External PSU: National 3580B
MPN NATIONAL-COMPANY-NC-000100XA NATIONAL-COMPANY-NC-000105 NATIONAL-COMPANY-SW-000004