Source: rigpix
Receivers
Updated: 09/02/2026
Collins 75S-1
Confidence score: 50%
Estimated value
257€
Theoretical estimate
166€
Minimum
348€
Maximum
Specifications
GENERAL
- Type
- Amateur HF receiver
- Frequency range
- 10-80 m in 14 bands: 3.4-3.6 MHz 3.6-3.8 MHz 3.8-4.0 MHz 7.0-7.2 MHz 7.2-7.4 MHz 14.0-14.2 MHz 14.2-14.4 MHz 14.8-15.0 MHz 21.0-21.2 MHz 21.2-21.4 MHz 21.4-21.6 MHz 28.5-28.7 MHz plus two optional 200 KHz ranges in the 10 m band
- Tuning steps
- Continuous
- Frequency stability
- ? ppm
- Mode
- AM / SSB / CW
- Power supply
- Mains: 110-115 VAC
- Current drain / power consumption
- 90 W
- Antenna impedance / connector
- 50 ohm / Phono (RCA)
- Dimensions (W*H*D)
- 374*169*292 mm (14.75*6.6*11.5")
- Weight
- 9.1 Kg (20 lb)
- Other features
- 100 KHz crystal calibrator.
RECEIVER SECTION
- Receiver system
- Double conversion superheterodyne 1st IF: 2.9-3.1 MHz 2nd IF: 455 KHz
- Sensitivity
- SSB: 1 uV (15 dB S+N/N)
- Selectivity
- AM: 4.5 KHz (-6 dB) 25 KHz (-60 dB) SSB: 2.1 KHz (-6 dB) 4.2 KHz (-60 dB) CW: 500 Hz (-6 dB) 1 KHz (-60 dB) with optional filter
- Image rejection
- >50 dB
- AF output power / speaker
- 1.8 W at ?% distortion / No internal speaker
- External speaker connector
- Phono (RCA), 4 ohm
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