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Desktop Shortwave receiver
HF Transmitter

General

HAM bands ? 40m  20m  10m 
Freq. stability Within 1100 Hz (or 120 Hz using optional oven standard) over the temperature range of 0-50 °C. ?
Tuning steps Selectable steps of 10 Hz, 100 Hz, 1 kHz or 1 MHz; 200 steps per revolution (20 for 1 MHz steps) of tuning knob. ?

Receiver

RX-range 0.2-30 MHz -
Modulations AM   CW   USB   LSB   FSK   -
Sensitivity (at 1.6 to 30 MHz, not more than antenna input) 0.5 µV for 10 dB S+N/N for SSB and CW using 2.1 kHz filter and 3.5 µV in AM (30% mod 1 kHz) using 6-kHz filter 0.2 to 1.6 MHz, not more than 1.5 µV SSB/CW and 10 µV AM for above conditions. ?
Selectivity Filter -3dB Min -60 dB Max
6.0 6.0 kHz 30.0 kHz
2.1 2.1 kHz 4.4 kHz
360 360 Hz 1250.0 Hz

optional
AC-3811 140 Hz 600 Hz
AC-3812 1.7 kHz 3.4 kHz
AC-3814 3.0 kHz 9.0 kHz
?
Filters ? ?
Receiver system Double conversion superheterodyne (?) ?
IF-freqs. 1st: ?
2nd: 455 kHz
?
Image rejection ≥ 60 dB ?
Audio output Internal speaker ?

Transmitter

TX-range - 10/20/40 m
Modulations - AM   CW  
RF-output ? 100 W

Connections

Antenna BNC Proprietary
Impedance 50Ω ?
Other - -

Electrical

Power req. Mains or 13.8 V DC Mains
Current RX ? -
TX - ?

Physical

Manufactured Between 19xx and 19xx in USA Between 1938 and 1939 in USA
Dimensions 394 × 191 × 457 mm
(15.51 × 7.52 × 17.99 in)
?
Weight 12.70 kg (28.0 lbs) ?
Form factor Base Station Base Station

Other features

Memories None None
Usage Amateur / Ham radio operators Amateur / Ham radio operators
Features Passband tuning
Built-in AC/DC power supply
Built-in speaker
Digital frequency readout
?
Accessories ? ?
MPN COLLINS-000451S-1 HALLICRAFTERS-HT-000001