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The 670 series was expressly designed for ship board cabin use. The 670A has five ranges: .15-.38, .54-1.5 3.7-10.6 and 10.5-30 MHz. The fifth "range" is marked "G" which is for a gramophone (phonograph) input. The broadcast bands are marked on the dial. The vernier tuning scale is a mechanical bandspread scheme that provides a quick and accurate means to return to a previously logged frequency. The tuning indicator (DM70) is a green fluorescent tube. With no signal the glow will extend to its full length. When a signal is received the glow contracts.

General characteristics

HAM bands
?
Frequency stability
?
Tuning steps
?

Receiver

RX-range
150-380 kHz / 0.54-30 MHz in four bands
Modulations
AM  
Sensitivity
?
Selectivity
?
Filters
?
Receiver system
Single Conversion Superheterodyne
IF-frequencies
?
Image rejection
?
Audio output
?

Connections

Antenna
-
Impedance
50Ω
Other
-

Electrical

Power requirements
Mains (AC or DC)
Current drain RX
?
TX
-

Physical

Manufactured
Between 1953 and 1960 in Great Britain
Dimensions (w×h×d)
?
Weight
?
Form factor
Base Station

Other features

Memories
?
Usage
Marine / Navy
Features + options
• Speaker Output • Dial Lamp • Rack Handles • Tuning Indicator • Speaker • Phono Input • Vernier Tuning • Log Scale 0-2500 • Tone • Flywheel Tuning
Accessories
?
MPN
EDDYSTONE-000670A

Manuals, diagrams and brochures

Eddystone 670 Brochure submitted by RigReference
Eddystone 670A Instruction Manual submitted by RigReference
Eddystone 670C Instruction Manual submitted by RigReference
 
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