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Desktop Shortwave receiver
External Speaker
Marine Shortwave receiver IMR54

General

HAM bands 80m  40m  20m  15m  10m  ? ?
Freq. stability ? ? ?
Tuning steps Continuous ? ?

Receiver

RX-range 80-10 m - 15 kHz - 31 MHz in 10 bands
Modulations CW   SSB   - AM   CW  
Sensitivity ? ? 15-160 kHz: 4-20 µV (10 dB S/N)
160-1500 kHz: 6-10 µV (10 dB S/N)
1.5-4 MHz: 1.5-3 µV (10 dB S/N)
4-10 MHz: 2-6 µV (10 dB S/N)
10-31 MHz: 2-10 µV (10 dB S/N)
Selectivity ? ? Wide, Intermediate, Narrow and Very narrow settings.
500 Hz ... 25 kHz
Filters ? ? ?
Receiver system Single conversion ? Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? 40W max. - 200Hz ~ 6.6kHz 1 W

Transmitter

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

Connections

Antenna RCA (Tulip) - -
Impedance 50Ω ? 72Ω
Other - - -

Electrical

Power req. Mains or 13.8V DC ? Mains (110-250 V AC)
Current RX 200 mA - 82 W
TX - - -

Physical

Manufactured Between 19xx and 19xx in USA Between 201x and 20xx in Japan Between 1952 and 195x in Great Britain
Dimensions 216 × 95 × 248 mm
(8.50 × 3.74 × 9.76 in)
200 × 120 × 232 mm
(7.87 × 4.72 × 9.13 in)
747 × 385 × 451 mm
(29.41 × 15.16 × 17.76 in)
Weight 3.20 kg (7.1 lbs) 1.05 kg (2.3 lbs) 60.90 kg (134.4 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories None ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Marine / Navy
Features ? ? Automatic volume control
Accessories ? ? ?
MPN ATLAS-RX-000110 ICOM-SP-000037 EDDYSTONE-000700