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Desktop Shortwave Linear Amplifier
Desktop Shortwave Transceiver
Single Band Transverter + Linear Amp

General

HAM bands ? 80m  40m  20m  15m  10m  40m 
Freq. stability ? ? 0.005%
Tuning steps ? ? Not applicable

Receiver

RX-range ? 80-10 m ?
Modulations - SSB   -
Sensitivity ? ? ≤ 0.5 µV
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 3.5-30 MHz 80-10 m 40 m
Modulations AM   CW   SSB   SSB   AM   FM   SSB  
RF-output 1000 W input (AM/CW/SSB) ? SSB: 300 W, AM/FM: 220 W

Connections

Antenna - - SO-239
Impedance 50/500Ω ? 50Ω
Other - - -

Electrical

Power req. Mains Mains 13.8 V DC
Current RX ? ? 0.3 A
TX ? ? 25 A

Physical

Manufactured Between 1958 and 196x in USA Between 1968 and 196x in USA Between 20xx and 20xx in Brazil
Dimensions 500 × 750 × 840 mm
(19.69 × 29.53 × 33.07 in)
? 167 × 102 × 260 mm
(6.57 × 4.02 × 10.24 in)
Weight 180.00 kg (397.1 lbs) ? 2.93 kg (6.5 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 ? Dual VFO ?
Accessories ? ? ?
MPN E.F.-JOHNSON-DESK-KILOWATT E.F.-JOHNSON-VIKING-AVENGER ZAMIN-TR000500