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Last modified 2021-03-25

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Icom IC-551D

A picture of Icom IC-551D

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range:TX: 50-54 MHz (Japan domestic market)
RX: 50-54 MHz
Tuning steps:100 Hz, 1 / 5 / 10 KHz
Frequency stability:Less than 1 KHz @ -10 to +60C (14 to 140F)
Mode:AM / SSB / CW (FM option)
Channels/memory management: 3 regular
RAM storage
Repeater shift/offset:No dedicated. Use VFO A/B split
Power supply:13.8 VDC 15%
Current drain/power consumption:RX: 500 to 700 mA
TX: 8 to 10 A @ 13.8 VDC
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):241*111*311 mm (9.49*4.37*12.24")
Weight:6.6 kg (14.55 lb)
Other features:NB. VOX. P.B.Tune.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne (FM) with optional FM unit
1st IF: 9.0115 MHz
2nd IF: 455 KHz
Triple conversion superheterodyne (AM/SSB/CW)
1st IF: 9.0115 MHz
2nd IF: 10.75 MHz
3rd IF: 9.0115 MHz
Sensitivity: FM: 0.6 uV (20 dB quieting), With optional FM unit
AM/SSB/CW: 0.5 uV (10 dB S/N)
Selectivity: FM: 15 KHz (-6 dB), 30 KHz (-60 dB) with optional FM unit
AM/SSB/CW: 2.2 KHz (-6 dB), 4.4 KHz (-60 dB)
AM/SSB/CW: Down to 1 KHz (-6 dB) with P.B.Tune
Image rejection:
AF output power/speaker:2 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power: AM: 0-40 W
FM: 1-50 W (With optional FM unit)
SSB: 1-50 W (PEP)
CW: 1-50 W
Modulation system:
FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:600 ohm / 4-pin (Metal locking ring connector)
Microphone input sensitivity:? mV




MISCELLANEOUS
Manufactured:Japan, 198x-198x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options/Accessories:
BC-10
IC-EX2
IC-EX106
IC-HM5
IC-HP1
IC-PS20
IC-SM2
Memory backup AC power supply
Extension terminal with 25 KHz marker
FM unit
Noise cancelling hand microphone
Headphones
AC power supply. 13.8 VDC, 20 A
Desk microphone