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Drake TR-4Cw
Specifications

Return to Drake TR4Cw

Discontinued Amateur HF Transceivers 

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Specifications

Frequency Range ...... 3.5-4.1, 7-7.6, 13.9-14.5, 21.0-21.6, 28.5-29.1 MHz
                       Accessory crystal positions for 28-28.6 and 29.1-29.6 MHz  
Modes ................ LSB, USB, AM and CW
Power Requirement .... +650VDC at 500ma regulated
                       +250VDC at 200ma regulated
                       -45 to -65 VDC adjustable filter bias into 33K ohm load
                       12.6 Volts AC or DC at 5.5 amps
Antenna Input ......   50 ohms nominal
Selectivity ..........  @ -6dB     @ -60dB
                        2.1 kHz   < 3.4 kHz
                         .5 kHz   < 1.5 kHz
Dial Accuracy ........ 1 kHz when calibrated to nearest 100 kHz point
Notch Filter Attn. ... 40 dB min Depth (500-5000 Hz)
Sensitivity .......... < 0.5µV  10 dB S+ N/N
Freq. Stability ...... ± 100 Hz after warm-up
Freq. Accuracy ....... ± 1 kHz
Transmit Power ....... 300 watts PEP SSB, 260 watts CW and 260 watts PEP AM
Intermediate Freqs. .. 1st IF = 9 MHz
Ext. Speaker Output .. 3 Watts, 4 Ohms.
                       < 10% distortion
Dimensions ........... 10.75W x 5.5H x 14.375D inches 
Weight ............... 16 Lbs.(7.2 kg)  


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