Source: rigpix
Transceivers
Updated: 09/02/2026
Icom IC-731
Confidence score: 50%
Estimated value
1011€
Theoretical estimate
859€
Minimum
1163€
Maximum
Specifications
GENERAL
- Type
- Amateur HF transceiver
- Frequency range
- Japanese domestic market TX: 10-160 m + WARC RX: 0.1-30 MHz
- Tuning steps
- 10 Hz, 1 KHz, 1 MHz
- Frequency stability
- ±30 Hz @ 25°C (77°F), after 1 hr warmup
- Mode
- AM / FM / SSB / CW / RTTY
- Channels / memory management
- 12 regular RAM storage with lithium battery backup
- Repeater shift / offset
- No dedicated. Use VFO A/B split
- Power supply
- 13.8 VDC ±15%
- Current drain / power consumption
- RX: 1.2 to 1.5 A TX: Max 20 A
- Antenna impedance / connector
- 50 ohm / SO-239
- Dimensions (W*H*D)
- 241*94*272 mm (9.49*3.7*10.71")
- Weight
- 5 Kg (11.02 lb)
- Other features
- NB. PBT.
RECEIVER SECTION
- Receiver system
- Triple conversion superheterodyne 1st IF: 70.45 MHz 2nd IF: 9.01 MHz 3rd IF: 455 KHz
- Sensitivity
- AM (10 dB S/N) 0.1-1.6 MHz: 6 uV 1.6-30 MHz: 1 uV FM (12 dB SINAD) 1.6-30 MHz: 0.5 uV SSB/CW (10 dB S/N) 0.1-1.6 MHz: 1 uV 1.6-30 MHz: 0.15 uV
- Selectivity
- AM 6 KHz (-6 dB) 18 KHz (-50 dB) FM 15 KHz (-6 dB) 30 KHz (-60 dB) SSB/CW 2.3 KHz (-6 dB) 4 KHz (-60 dB)
- AF output power / speaker
- 3 W at 10% distortion / 8 ohm
- External speaker connector
- 3.5 mm, 8 ohm
TRANSMITTER SECTION
- Max FM deviation (Factory set)
- ±5 KHz
- Spurious emissions
- Better than -50 dB
- Microphone impedance / connector
- 600 ohm / 8-pin (Metal locking ring connector)
- Microphone input level
- ? mV
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