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HF Transmitter | 100 W
Desktop Shortwave Transmitter
Desktop Shortwave Transmitter

General

HAM bands 80m  40m  20m  15m  10m  160m  80m  40m  20m  15m  10m  6m 
Freq. stability ? ? ?
Tuning steps ? ? Continuous

Receiver

RX-range - - -
Modulations - - -
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 80-10 m 160-10 m 160-6 m
Modulations AM   CW   SSB   AM   CW   AM   CW  
RF-output AM: 50 W, SSB/CW: 100 W AM: 100 W, CW: 130 W CW: 75 W, AM: 65 W

Connections

Antenna - - -
Impedance ? ? 50/500Ω
Other - - -

Electrical

Power req. Mains (internal PSU) Mains Mains
Current RX - - -
TX ? ? ?

Physical

Manufactured Between 1960 and 1963 in USA Between 1952 and 19xx in USA Between 1961 and 1965 in USA
Dimensions 292 × 530 × 445 mm
(11.50 × 20.87 × 17.52 in)
? 395 × 240 × 355 mm
(15.55 × 9.45 × 13.98 in)
Weight 25.00 kg (55.2 lbs) ? 20.50 kg (45.2 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories ? ? None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features VFO
Internal power supply
Final Tube(s): 2ea. 6146 parallel
SSB Method: Crystal Filter (9 MHz)
10 x XTAL selector (VFO option), 2 x 6146 finals. XTAL and VFO
Accessories ? ? ?
MPN E.F.-JOHNSON-INVADER E.F.-JOHNSON-VIKING-II EF-JOHNSON-VIKING-RANGER-II