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E.F. Johnson Invader

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HF Transmitter | 100 W

New price 1961: $619.50

Specifications
Type
Desktop Amateur HF Transmitter 
Frequency range RX
TX
80-10 m 
Frequency stability
Tuning steps
Filters
Receiver
Modulations
Sensitivity
Selectivity
Receiver system
IF-frequencies
Image rejection
Audio output
Transmitter
Modulations
AM / CW / SSB 
RF-output
AM: 50 W, SSB/CW: 100 W 
Connections
Antenna
Impedance
Electrical
Power requirements
Mains (internal PSU) 
Current drain RX
TX
Physical
Dimensions (w×h×d)
292 × 530 × 445 mm (11.50 × 20.87 × 17.52 in)  
Weight
25 kg (55.2 lbs)  
Form factor
Desktop 
Manufactured
Between 1960 and 1963 in USA 
Other features
Memories
Usage
Amateur / Ham radio operators 
Manufacturer
E.F. Johnson 
Model
Invader
Features
VFO
Internal power supply
Final Tube(s): 2ea. 6146 parallel
SSB Method: Crystal Filter (9 MHz) 
Manuals, Diagrams and Brochures
 
None available  
 
 
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E.F. Johnson Invader ratings
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Based on 2 reviews
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