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Desktop Shortwave receiver
Desktop Shortwave receiver

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m 
Freq. stability Less than 50 Hz/hr drift after warm up under constant supply and temperature conditions. ?
Tuning steps Continuous Continuous

Receiver

RX-range 0.5-30 MHz 0.535-32 MHz in six bands
Modulations AM   CW   AM   CW  
Sensitivity ? For 20dB S/N: 8 µV at 1 MHz, 4.5 µV at 4.3 MHz, 7 µV at 16 MHz, 7 µV at 28 MHz
Selectivity 13 kHz @-6db
6.5 kHz @-6db
3 kHz @-6db
1.2 kHz @-6db
300 Hz @-6db
100 Hz @-6db
5 Settings: -3dB bandwidths 15 kHz, 9 kHz, 3.4 kHz, 1.6 kHz, 400 Hz
Filters 13 / 6.5 / 3 / 1.2 / 0.3 / 0.1 kHz ?
Receiver system Double/triple conversion, 23 tubes Single conversion, 14 valves
IF-freqs. 40 kHz
2.5 kHz
455 kHz
Image rejection ? 120 dB at 1 MHz / 60 dB at 16 MHz / 46 dB at 28 MHz
Audio output ? 2.5 W (2.5 ohm external speaker or 600 ohm headphone)

Transmitter

TX-range - -
Modulations - -
RF-output ? ?

Connections

Antenna Burndept Clamps / screws
Impedance 75Ω 200Ω
Other - -

Electrical

Power req. Mains 100-260 V AC mains or 6 V DC vibrator pack
Current RX ? 100 VA
TX - -

Physical

Manufactured Between 1957 and 19xx in Great Britain Between 1940 and 1945 in USA
Dimensions 480 × 265 × 510 mm
(18.90 × 10.43 × 20.08 in)
488 × 280 × 488 mm
(19.21 × 11.02 × 19.21 in)
Weight 30.50 kg (67.3 lbs) 45.00 kg (99.3 lbs)
Form factor Base Station Base Station

Other features

Memories None None
Usage Military communication Amateur / Ham radio operators
Features ? Optional S-meter
Accessories ? ?
MPN RACAL-RA-000017L RCA-AR000088D