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Desktop Shortwave receiver
Linear Amplifier
Marine Shortwave receiver IMR54

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  ? ?
Freq. stability ? ? ?
Tuning steps Continuous ? ?

Receiver

RX-range 0.5-30 MHz ? 15 kHz - 31 MHz in 10 bands
Modulations AM   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 ? ? Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? 1 W

Transmitter

TX-range - 10 / 11 m -
Modulations - AM   SSB   -
RF-output ? ? ?

Connections

Antenna Built-in sweep SO-239 -
Impedance 75Ω 50Ω 72Ω
Other - - -

Electrical

Power req. 13.8V DC, mains or 8 x LR20 Mains Mains (110-250 V AC)
Current RX ? ? 82 W
TX - ? -

Physical

Manufactured Between 1976 and 19xx Between 19xx and 19xx Between 1952 and 195x in Great Britain
Dimensions ? ? 747 × 385 × 451 mm
(29.41 × 15.16 × 17.76 in)
Weight ? ? 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 DRAKE-SSR-000001 MAC-L-002000 EDDYSTONE-000700