Source: rigpix
Receivers
Updated: 09/02/2026
Collins 851S-1
Confidence score: 50%
Estimated value
242€
Theoretical estimate
206€
Minimum
279€
Maximum
Specifications
GENERAL
- Type
- HF receiver
- Frequency range
- 0.25-30 MHz (12-250 KHz option)
- Tuning steps
- 100 Hz
- Frequency stability
- 0.5 ppm @ 0 to 50°C (32 to 122°F)
- Mode
- AM / SSB / CW (FM and ISB options)
- Power supply
- Mains: 100 / 115 / 215 / 230 VAC ±10%
- Current drain / power consumption
- Less than 100 W
- Antenna impedance / connector
- 50 ohm / ?
- Dimensions (W*H*D)
- 483*178*483 mm (19*7*19")
- Weight
- 17.2 Kg (38 lb)
RECEIVER SECTION
- Receiver system
- Triple conversion superheterodyne 1st IF: 109.35 MHz 2nd IF: 9.45 MHz 3rd IF: 450 KHz
- Sensitivity
- AM (10 dB S+N/N) ? SSB (10 dB S+N/N) 0.25-1.6 MHz: 2 uV 1.6-30 MHz: 0.7 uV
- Selectivity
- AM: 16 KHz (No reference) SSB: 2.7 KHz (No reference)
- AF output power / speaker
- 2 W at ?% distortion / 8 ohm
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