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Desktop Shortwave receiver
Mobile CB Transceiver
Base Station CB Transceiver

General

HAM bands 80m  40m  20m  10m  11m (CB)  11m (CB) 
Freq. stability Good after approx. 20 minutes warm up and the shack isn't too drafty! ? ?
Tuning steps Continuous Channelized 10 kHz

Receiver

RX-range 0.49-30.4 MHz 26.965-27.405 MHz 25.615-28.305 MHz
Modulations AM   CW   SSB   AM   AM   FM   CW   SSB  
Sensitivity Described as "excellent", but weaker on 10m ? AM/CW: 0.7 µV (10 dB S/N)
FM: 0.5 µV (12 dB SINAD)
SSB: 0.2 µV (10 dB S/N)
Selectivity ? ? AM/FM: 10 kHz (-50 dB)
SSB: 2 kHz (-5 dB), 4 kHz (-60 dB)
Filters 1 crystal filter with 6 selectivity positions ? ?
Receiver system Single conversion vacuum tube superhet. with 1 RF amp stage and 2 IF amps, diode detector and BFO using Octal type tubes. ? ?
IF-freqs. 456 kHz ? ?
Image rejection ? ? ?
Audio output 8" Jensen speaker as standard ? Internal speaker

Transmitter

TX-range - 26.965-27.405 MHz 25.615-28.305 MHz
Modulations - AM   AM   FM   CW   SSB  
RF-output ? 4 W 25 W

Connections

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

Electrical

Power req. Mains (230/115 V AC) ? Mains
Current RX ~ 90 W ? ?
TX - ? ?

Physical

Manufactured Between 1946 and 1949 in USA Between 19xx and 20xx Between 20xx and 20xx in Taiwan
Dimensions ? 159 × 54 × 219 mm
(6.26 × 2.13 × 8.62 in)
?
Weight ? ? ?
Form factor Base Station Mobile Base Station

Other features

Memories None 40 channels in 1 bank(s) 240 channels in 6 bank(s)
Usage Amateur / Ham radio operators Citizen Band (27Mc) Citizen Band (27Mc)
Features Designed for a electro-dynamic loudspeaker with output transformer in the speaker enclosure. No output transformer on chassis! ? Roger beep
Dimmer
Echo tone
Variable RF power output
Accessories ? ? ?
MPN NATIONAL-COMPANY-NC-000002-40D COBRA-000025-LTD-CLASSIC RANGER-RCI-002980