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Desktop Shortwave Transmitter
Desktop Shortwave receiver
Desktop Shortwave receiver

General

HAM bands 80m  40m  20m  15m  11m (CB)  10m  ? ?
Freq. stability ? Dial calibration at room temperature is within 300 cps if the nearest 100 kc calibration point is used to adjust the fiducial. ?
Tuning steps Continuous ? ?

Receiver

RX-range - 0.54-30.5 MHz 480 kHz - 30 MHz in five bands
Modulations - AM   CW   AM   CW  
Sensitivity - Band 1: < 15 µV gives 10 dB S/N
Bands 2 to 30: < 5 µV gives 10 dB S/N
?
Selectivity - 1 / 3 / 6 / 10 kHz ?
Filters - ? ?
Receiver system - ? Single Conversion Superheterodyne, 15 tubes
IF-freqs. - ? ?
Image rejection - ? ?
Audio output - ? ?

Transmitter

TX-range 10-80 m - -
Modulations AM   CW   - -
RF-output CW: 150 W (input), AM: 120 W (input) ? ?

Connections

Antenna - SO-239 + Clamps / screws -
Impedance 50Ω 50Ω 50 Ω
Other - - -

Electrical

Power req. Mains Mains (115 or 230 V AC, 45~70 Hz) Mains
Current RX - 85 W 80 W
TX ? - -

Physical

Manufactured Between 1951 and 195x in USA Between 1957 and 1963 in USA Between 1952 and 1962 in Great Britain
Dimensions 537 × 316 × 352 mm
(21.14 × 12.44 × 13.86 in)
536 × 317 × 333 mm
(21.10 × 12.48 × 13.11 in)
426 × 222 × 381 mm
(16.77 × 8.74 × 15.00 in)
Weight 47.60 kg (105.0 lbs) 24.90 kg (54.9 lbs) 21.30 kg (47.0 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 ? ? • ¼" Head. Jack • S-Meter • Rack Handles • Calibrator 100 kHz • RF Gain • BFO ±3 kHz • Mute • 140:1 Tune Ratio • Standby • NL • Dial Lamp • Dimmer (back panel) • AVC ON/OFF • Flywheel Tuning
Accessories ? ? ?
MPN COLLINS-000032V-3 COLLINS-000051J-4 EDDYSTONE-000680X