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Drake R4C

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Desktop Shortwave receiver

The R.L. Drake Company produced the R-4C as the final refinement of their previous popular R4, R4A and R4B models. The R4C covers: 3.5-4, 7-7.5, 14-14.5, 21-21.5 and 28.5-29 MHz plus fifteen additional 500 kHz crystal positions (with optional crystals). Modes of reception include: SSB, CW, AM and RTTY. The dial accuracy is and impressive ±1 kHz. Features include: PBT, Line out, Crystal Calibrator (25 kHz), RF Gain, Mute Jack, Speaker Jack, Anti-Vox Jack, Dial Lamp and Spinner Knob. This radio requires an external speaker.

Specifications
Type
Desktop Amateur HF Receiver 
Frequency range RX
160-10 m 
TX
Frequency stability
Tuning steps
Filters
Receiver
Modulations
AM / CW / USB / LSB 
Sensitivity
AM / SSB: < 0,25 µV 
Selectivity
(-6/-60 dB)
SSB: 2,4/4,2 kHz
AM: 8/28 kHz
optional CW: 0,25/0,6 0,5/1 1,5/3,0 kHz 
Receiver system
Triple conversion 
IF-frequencies
5,645 / 5,695 MHz, 50 kHz 
Image rejection
Audio output
Transmitter
Modulations
RF-output
Connections
Antenna
Merkgebonden 
Impedance
50 Ω 
Electrical
Power requirements
Mains 
Current drain RX
TX
Physical
Dimensions (w×h×d)
273 × 140 × 297 mm (10.75 × 5.51 × 11.69 in)  
Weight
7.5 kg (16.5 lbs)  
Form factor
Desktop 
Manufactured
Between 1973 and 197x in USA 
Other features
Memories
Usage
Amateur / Ham radio operators 
Manufacturer
Drake 
Model
R4C
Features
RF-Gain
AGC 3x
PBT in SSB mode
Notch
Noise Blanker (optional) 
Manuals, Diagrams and Brochures
 
None available  
 
 
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