Eddystone 700

Marine Shortwave receiver IMR54

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This set was designed for the UK military and is also known as the International Marine Radio 54 or IMR.54. The IMR.54 receiver is a high class marine communication receiver covering the requirements of a long-wave, medium-wave and short-wave main receiver in all compulsorily equipped ships.

General characteristics

HAM bands
?
Frequency stability
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Tuning steps
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Receiver

RX-range
15 kHz - 31 MHz in 10 bands
Modulations
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-frequencies
?
Image rejection
?
Audio output
1 W

Connections

Antenna
-
Impedance
72Ω
Other
-

Electrical

Power requirements
Mains (110-250 V AC)
Current drain RX
82 W
TX
-

Physical

Manufactured
Between 1952 and 195x in Great Britain
Dimensions (w×h×d)
747 × 385 × 451 mm (29.41 × 15.16 × 17.76 in)
Weight
60.90 kg (134.4 lbs)
Form factor
Base Station

Other features

Memories
?
Usage
Marine / Navy
Features + options
Automatic volume control
Accessories
?
MPN
EDDYSTONE-000700

Manuals, diagrams and brochures

International Marine Radio IMR54 Instruction Manual submitted by RigReference
IMR54 Alternative service manual submitted by RigReference
IMR54 Circuit Diagram submitted by RigReference
IMR54 Parts List submitted by RigReference
 
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