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Last modified 2021-03-31

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Icom IC-746 Pro

A picture of Icom IC-746 Pro

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF transceiver
Frequency range: TX: 10-160 m + WARC / 50-54 / 144-148 MHz (USA)
RX: 0.03-60 / 108-174 MHz
Tuning steps:Down to 1 Hz
Frequency stability:5 ppm @ 0 to 50C (20 to 122F)
Mode:AM / FM / SSB / CW / RTTY
Channels/memory management: 99 regular with 9 character alpha tags
2 scan edges
1 call
Non-volatile EEPROM storage
Repeater shift/offset:0 to 9.999 MHz in 1 KHz steps
Power supply:13.8 VDC 15%
Current drain/power consumption:RX: 2.2 to 3 A
TX: Max 23 A
Antenna impedance/connector:50 ohm / Three SO-239
Dimensions (W*H*D):287*120*316 mm (11.3*4.72*12.44")
Weight:9 Kg (19.84 lb)
Other features: CTCSS/PL. Auto-ATU: 17-150 ohm (HF), 20-125 ohm (6 m). Electronic keyer. CI-V.
Simple spectrum scope. VOX. 32-bit DSP.




RECEIVER SECTION
Receiver system: Triple conversion superheterodyne
1st IF: 64.455 MHz
2nd IF: 455 KHz
3rd IF: 36 KHz
Sensitivity:AM (10 dB S/N)
0.5-1.8 MHz: 13 uV
1.8-30 MHz: 2 uV (Preamp 1 on)
6 m: 1 uV (Preamp 2 on)
2 m: 1 uV (Preamp on)
FM (12 dB SINAD)
28-30 MHz: 0.5 uV (Preamp 1 on)
6 m: 0.25 uV (Preamp 2 on)
2 m: 0.18 uV (Preamp on)
SSB/CW/RTTY (10 dB S/N)
1.8-30 MHz: 0.16 uV (Preamp 1 on)
6 m: 0.13 uV (Preamp 2 on)
2 m: 0.11 uV (Preamp on)
Selectivity: AM (BW: 6 KHz)
6 KHz (-6 dB), 15 KHz (-60 dB)
FM (BW: 15 KHz)
12 KHz (-6 dB), 20 KHz (-60 dB)
SSB (BW: 2.4 KHz)
2.4 KHz (-6 dB), 3.6 KHz (-60 dB)
CW (BW: 500 Hz)
500 Hz (-6 dB), 700 Hz (-60 dB)
RTTY (BW: 350 Hz)
360 Hz (-6 dB), 650 Hz (-60 dB)
Image rejection:HF/6 m: 70 dB
2 m: 60 dB
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: 5-40 W
FM: 5-100 W
SSB: 5-100 W
CW: 5-100 W
Modulation system: AM: Low power modulation
FM: Phase modulation
SSB: PSN modulation
Max FM deviation:Max 5 KHz
Spurious emissions:HF: Less than -50 dB
VHF: Less than -60 dB
Microphone impedance/connector:600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 2001-2009 (Discontinued)
Additional info:See also the european version IC-7400
Related documents:User manual (5.9 MB)
Modifications and fixes:
Reviews:
Options/Accessories:
AH-2b
AH-4
CR-338
CT-17
HM-36
IC-PW1
OPC-025D
PS-125
SM-8
SM-20
SP-20
SP-21
UT-102
Antenna element for mibile operation, 3.5-28 MHz with AH-4
External automatic antenna tuner, HF
High stability crystal unit (0.5 ppm)
CI-V level converter
Standard hand microphone
HF-6 m linear amplifier, 1 KW
DC power cable
Power supply. 13.8 VDC, 25 A
Desk microphone with dual line out and up/down buttons
Desk microphone, unidirectional electret
External speaker with filters
External speaker. 8 ohm, 5 W
Voice synthesizer unit