Source: rigpix
Receivers
Updated: 09/02/2026
Collins 51S-1
Confidence score: 50%
Estimated value
1001€
Theoretical estimate
927€
Minimum
1074€
Maximum
Specifications
GENERAL
- Type
- HF receiver
- Frequency range
- 0.2-30 MHz in thirty 1 MHz band segments
- Tuning steps
- Continuous
- Frequency stability
- ? ppm
- Mode
- AM / SSB / CW
- Channels / memory management
- None
- Power supply
- Mains: 115 / 230 VAC
- Current drain / power consumption
- Max 125 W
- Antenna impedance / connector
- 50 ohm / RCA (Phono)
- Dimensions (W*H*D)
- 375*167*332 mm (14.8*6.6*13.1")
- Weight
- 11.8 Kg (26 lb)
RECEIVER SECTION
- Receiver system
- Double conversion superheterodyne (7-30 MHz) 1st IF: ? MHz 2nd IF: ? KHz Triple conversion superheterodyne (0.2-7 MHz) 1st IF: ? MHz 2nd IF: ? KHz 3rd IF: ? KHz
- Sensitivity
- AM (10 dB S/N) 0.2-0.5 MHz: 20 uV 0.5-2 MHz: 15 uV 2-30 MHz: 3 uV SSB/CW (10 dB S/N) 0.2-0.5 MHz: 4 uV 0.5-2 MHz: 3 uV 2-30 MHz: 0.6 uV
- Selectivity
- AM 5 KHz (-6 dB), 22 KHz (-60 dB) SSB 2.75 KHz (-6 dB) CW 800 Hz (-6 dB)
- Image rejection
- 2-25 MHz: Better that 50 dB 25-30 MHz: Better than 40 dB
- AF output power / speaker
- 1 W at 10% distortion / 4 or 600 ohm
User reviews
Write a review
Share your experience with the Collins 51S-1