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RCA SC-88

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Desktop Shortwave receiver

The RCA SC-88 (U.S. Army Signal Corps designation R-320/FRC).

The SC-88 is an extremely rare version of the AR-88F series of receivers and the first with a Band In Use dial mask. It was manufactured between 1949 and 1950 only and featured front panel Crystal Phasing Control and full coverage of .535-32 MHz.

Specifications
Type
Desktop Amateur HF Receiver 
Frequency range RX
0.535-32 MHz (general coverage) 
TX
Frequency stability
Tuning steps
Filters
Receiver
Modulations
AM / CW 
Sensitivity
For 20dB S/N: 8µV at 1MHz, 4.5µV at 4.3MHz, 7µV at 16MHz, 7µV at 28MHz 
Selectivity
5 Settings: -3dB bandwidths 15kHz, 9kHz, 3.4kHz, 1.6kHz, 400Hz 
Receiver system
Single conversion, 14 valves 
IF-frequencies
455 kHz 
Image rejection
120dB at 1MHz
60dB at 16MHz
46dB at 28MHz 
Audio output
2.5 W (2.5 ohm external speaker or 600 ohm headphone) 
Transmitter
Modulations
RF-output
Connections
Antenna
SO-239 
Impedance
200Ω 
Electrical
Power requirements
100-260 VAC mains or 6V DC vibrator pack 
Current drain RX
100VA 
TX
Physical
Dimensions (w×h×d)
488 × 280 × 488 mm (19.21 × 11.02 × 19.21 in)  
Weight
45 kg (99.3 lbs)  
Form factor
Desktop 
Manufactured
Between 1949 and 1950 in USA 
Other features
Memories
Usage
Amateur / Ham radio operators 
Manufacturer
RCA 
Model
SC-88
Features
BFO, Main Tuning Dial, Veneir Tuning Dial, Tuning Lock, Antenna Trimmer, HF/TONE Adjustment, Crystal Phasing, Selectivity , RF GAIN, AF GAIN, Diversity IF GAIN, Noise Limiter, VC. 
Manuals, Diagrams and Brochures
 
None available  
 
 
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