Amateur Band Communications Receiver	Rating (1-5): HHHHH (5)
Made In: United States 1958-1962	Voltages: 105-125 VAC 50-60 Hz
Coverage: Ham. See Comments.	Readout: Analog Lin.
Modes: AM/LSB/USB/CW	Selectivity: 4.5/2.1/_ kHz
Circuit: Double Conversion Superheterodyne. 10 Tubes plus Semiconductors.	Physical: 14.75x6.675x11.5" 20 Lbs. 374x169x292mm 9 kg
Circuit Complement: 6DC6 RF Amp, 6U8A 1st Mixer/Crystal Osc, 6U8A 2nd Mixer/VFO Isolation Amp, 6BA6 1st IF Amp, 6BA6 2nd IF Amp, 6U8A Product Detector/BFO, 6AT6 AM Detector/AVC Rectifier/AF Amp, 6BF5 AF Output Amp, 6DC6 Crystal Cal., 6AU6 VFO, (2) 1N1084 Power Rect., 1N34A Freq. Shift switch. Uses 70K-2 sealed VFO. IF 2955-3155, 455 kHz.
Features: • ¼" Head. Jack • S-Meter • Preselector • Crystal Cal. 100 kHz. • RF Gain • Mute Line • Anti-Vox Jack • CW Sidetone Jack • Fiduciary Adjust
Accessories: 312B-3 Speaker, 312B-4 Station Control, 136A-1 NB, F455Q-5 500Hz CW Filter
New Price: $495-575	Used Price: $230-400
Comments: Ranges: 3.4-3.6, 3.6-3.8, 7-7.2, 7.2-7.4, 14-14.2, 14.2-14.4, 14.8-15, 21-21.2, 21.2-21.4, 21.4-21.6 and 28.5-28.7 MHz plus 2 additional 200 kHz positions for the 10 meter band. Matches the 32S-1 transmitter. The supplied 2.1 kHz filter is mechanical.
Variants: Model 75S-2 has 14 additional 200 kHz positions.

Collins 75S-3

Amateur Band Communications Receiver	Rating (1-5): HHHHH (5)
Made In: United States 1961-1964	Voltages: 115 VAC 50-60 Hz
Coverage: Ham. See Comments.	Readout: Analog Lin.
Modes: AM/LSB/USB/CW	Selectivity: 4.5/2.1/.25/_ kHz -6dB.
Circuit: Double Conversion Superheterodyne. 11 Tubes plus Semiconductors.	Physical: 14.75x6.675x11.5" 20 Lbs. 374x169x292mm 9 kg
Circuit Complement: 6DC6 Crystal Cal., 6DC6 RF Amp, 6U8A 1st Mixer/Crystal Osc, 6U8A 2nd Mixer/Cathode Follow, 12AX7 Q-Mult., 6BA6 1st IF Amp, 6BA6 2nd IF Amp, 6U8A Prod. Det./BFO, 6AT6 AM Detector/AVC Rectifier/AF Amp, 6BF5 AF Output Amp, 6AU6 VFO, (2) 1N1084 Power Rect, 1N34A Freq. Shift switch. Uses 70K-2 sealed VFO. IF 2955-3155, 455 kHz.
Features: •¼" Head. Jack • S-Meter • Preselector • Calibrator 100 kHz • RF Gain • Rejection Tuning • Mute • AGC OFF/SLO/FST • BFO • Anti-Vox Jack • Dial Adjust • CW Sidetone Jack
Accessories: 312B-3 Speaker, 312B-4 Station Console, F455Y-31 3100Hz Filter, F455Y-40 4000 Hz Filter, F455Y-60 6000 Hz Filter
New Price: $680	Used Price: $300-450
Comments: Frequency bands: 3.4-3.6, 3.6-3.8, 3.8-4, 7-7.2, 7.2-7.4, 14-14.2, 14.2-14.4, 14.8-15, 21.2-21.4, 21.4-21.6, 28.5-28.7 MHz. Matches 32S-1 transmitter.
Variants: Model 75S-3A has 14 additional 200 kHz positions and an additional knob above the band select switch.