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Desktop Shortwave receiver
Desktop Shortwave receiver
Desktop Shortwave receiver

General

HAM bands ? ? 80m  40m  20m  15m  11m (CB) 
Freq. stability 10 ppm per °C ? ?
Tuning steps ? Continuous ?

Receiver

RX-range 0.55-30 MHz in 5 bands 15,5-26,6 / 23,5-41 / 37,5-65 / 64-115 meter
110-175 / 170-300 / 290 - 570 meter optional
80 / 75 / 40 / 20 / 15 / 10m
Modulations AM   CW   SSB   AM   AM   CW   SSB  
Sensitivity 5 µV for 15 dB S/N above 1.5 MHz
15 µV for 15 dB S/N below 1.5 MHz
? ?
Selectivity 5 kHz (-6 dB)
25 kHz (-40 dB)
? ?
Filters ? ? ?
Receiver system Single conversion TRF with regeneration ?
IF-freqs. 465 kHz ? ?
Image rejection 85 dB above 1.5 MHz 65 dB below 1.5 MHz ? ?
Audio output 1 W @ 10% THD ? Requires external speaker

Transmitter

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

Connections

Antenna SO-239 - SO-239
Impedance 75/400Ω 50Ω ?
Other - - -

Electrical

Power req. Internal 9 V battery pack (6×U2 or HP2) Optional 12V DC or mains modules available 6 + 45 + 135 + 180 V Mains
Current RX 77 mA typical ? ?
TX - - -

Physical

Manufactured Between 1970 and 197x in Great Britain Between 1929 and 1935 in USA Between 1970 and 1975
Dimensions 317 × 162 × 203 mm
(12.48 × 6.38 × 7.99 in)
? ?
Weight 6.30 kg (13.9 lbs) ? ?
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 EDDYSTONE-EC000010-MKII NATIONAL-COMPANY-SW-000004 LAFAYETTE-HA-000600