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Eddystone 670A

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Desktop Shortwave receiver

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.

Specifications
Type
Desktop Amateur HF Receiver 
Frequency range RX
150-380 kHz / 0.54-30 MHz in four bands 
TX
Frequency stability
Tuning steps
Filters
Receiver
Modulations
AM 
Sensitivity
Selectivity
Receiver system
Single Conversion Superheterodyne 
IF-frequencies
Image rejection
Audio output
Transmitter
Modulations
RF-output
Connections
Antenna
Impedance
50 Ω 
Electrical
Power requirements
Mains (AC or DC) 
Current drain RX
TX
Physical
Dimensions (w×h×d)
Weight
Form factor
Desktop 
Manufactured
Between 1953 and 1960 in Great Britain 
Other features
Memories
Usage
Amateur / Ham radio operators 
Manufacturer
Eddystone 
Model
670A
Features
• Speaker Output • Dial Lamp • Rack Handles • Tuning Indicator • Speaker • Phono Input • Vernier Tuning • Log Scale 0-2500 • Tone • Flywheel Tuning 
Manuals, Diagrams and Brochures
 
Eddystone 670 Brochure
 
 
 
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