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Desktop Shortwave receiver

General

HAM bands ?
Freq. stability ?
Tuning steps Continuous

Receiver

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

Transmitter

TX-range -
Modulations -
RF-output ?

Connections

Antenna -
Impedance 50Ω
Other -

Electrical

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

Physical

Manufactured Between 1929 and 1935 in USA
Dimensions ?
Weight ?
Form factor Base Station

Other features

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