Source: rigpix
Receivers
Updated: 09/02/2026
Collins 451S-1
Confidence score: 50%
Estimated value
451€
Theoretical estimate
383€
Minimum
519€
Maximum
Specifications
GENERAL
- Type
- HF receiver
- Frequency range
- 0.2-30 MHz
- Tuning steps
- 10 / 100 Hz, 1 KHz, 1 MHz
- Frequency stability
- Within 1100 Hz @ 0 to 50°C (32 to 122°F) Within 120 Hz @ 0 to 50°C (32 to 122°F) with optional oven standard
- Mode
- AM / SSB / CW / FSK
- Channels / memory management
- ? regular
- Power supply
- Mains: 105-125 / 210-250 VAC or 13.5 VDC
- Current drain / power consumption
- ? mA
- Antenna impedance / connector
- 50 ohm / BNC
- Dimensions (W*H*D)
- 394*165*457 mm (15.5*6.5*18")
- Weight
- 12.7 Kg (28 lb)
- Other features
- Attenuator (20 dB). Passband tuning. Line output (600 ohm). IF output (466 KHz).
RECEIVER SECTION
- Receiver system
- ? conversion superheterodyne
- Sensitivity
- AM (10 dB S+N/N) 0.2-1.6 MHz: 10 uV 1.6-30 MHz: 3.5 uV SSB/CW (10 dB S+N/N) 0.2-1.6 MHz: 1.5 uV 1.6-30 MHz: 0.5 uV
- Image rejection
- >60 dB
- AF output power / speaker
- 3 W at 10% distortion / 4 ohm
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