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Last modified 2014-05-12

Icom IC-756 Pro

SPECIFICATIONS
GENERAL
Type:Amateur HF/VHF transceiver
Frequency range:TX: 10-160 m + WARC/50-54 MHz
RX: 0.03-60 MHz
Tuning steps:1 Hz, 0.1 / 1 / 5 / 9 / 10 / 12.5 / 20 / 25 KHz
Mode:AM/FM/SSB/CW/RTTY
Channels/memory management:99 regular
2 scan edges
Repeater shift/offset:0 to 4 MHz in 1 Hz steps
Power supply:13.8 VDC +/- 15%
Current drain/power consumption:RX: 3-3.5 A
TX: Max 23 A
Antenna impedance/connector:50 ohms / 2*SO-239 + 1 phono/RCA
Dimensions (W*H*D):340*111*285 mm (13.4*4.37*11.22")
Weight:9.6 Kg (21.2 lbs)
Other features:CTCSS/PL, IF-DSP. Built-in auto-AT (HF: 16.7-150 ohms / 6 m: 20-125 ohms)
Spectrum scope. CI-V interface. Built-in keyer and RTTY demodulator




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 (Pre-amp 1 on)
50-54 MHz: 1 uV
FM (12 dB SINAD)
28-30 MHz: 0.5 uV (Pre-amp 1 on)
50-54 MHz: 0.32 uV (Pre-amp 2 on)
SSB/CW/RTTY (10 dB S/N)
1.8-30 MHz: 0.16 uV (Pre-amp 1 on)
50-54 MHz: 0.13 uV (Pre-amp 2 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/RTTY (BW=2.4 KHz)
>2.4 KHz (-6 dB), <2.8 KHz (-60 dB)
CW (BW=500 Hz)
>500 Hz (-6 dB), <700 Hz (-60 dB)
Image rejection:>70 dB
AF output power/speaker:2 W at 10% distortion / 8 ohms
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power (all bands):AM: 5-40 W
FM/SSB/CW/RTTY: 5-100 W
Modulation system:AM: Low power modulation
FM: Phase modulation
SSB: PSN modulation
Max FM deviation:? KHz
Spurious emissions:HF: Less than -50 dB
6 m: Less than -60 dB
Microphone impedance/connector:600 ohms / 8-pin




MISCELLANEOUS
Manufactured:Japan, 2000-2001 (Discontinued)
Additional info:
Related documents:User manual (1.6 MB)
Service manual (17.7 MB)
Schematics (4.5 MB)
Pre-driver: 2SC1971
Drivers: 2*2SC1972
Finals: 2*2SC5125
Modifications:
Options/Accessories:
AH-2B
AH-4
CT-16
CT-17
EX-627
HM-36
IC-AT500
IC-PW1
IC-2KL
SM-20
SP-20
SP-21
UT-102
Mobile antenna element, 10-80 m with AH-4
External automatic antenna tuner, HF/6 m, 120 W
Satellite interface unit
CI-V level converter
Automatic antenna selector
Hand microphone with up/down buttons
External automatic antenna tuner, HF, 500 W
1 KW linear amplifier, HF/6 m
500 W linear amplifier, HF
Desk microphone
External speaker with filters, 8 ohms/5 W
External speaker, 8 ohms/3 W
Voice synthesizer unit