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Last modified 2023-09-19

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Icom IC-703 Plus

A picture of Icom IC-703 Plus

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF transceiver
Frequency range: TX: 10-160 m + WARC / 6 m
RX: 0.03-60 MHz
Tuning steps:1 / 10 / 100 Hz, 1 / 5 / 9 / 10 / 12.5 / 20 / 25 / 100 KHz
Frequency stability:±0.5 ppm @ 0 to 50°C (32 to 122°F)
Mode:AM / FM / SSB / CW / RTTY
Channels / memory management: 99 regular
6 scan edges
Non-volatile EEPROM storage
Repeater shift / offset:±0-9.999 KHz (Quick split)
Power supply:9-15.9 VDC
Current drain / power consumption:RX: 300 to 450 mA @ 9.6 VDC
TX: Max 3 A @ 13.8 VDC
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):167*58*200 mm (6.57*2.28*7.87")
Weight:2 Kg (4.41 lb)
Other features: CTCSS/PL with tone scan. Built-in memory keyer and auto-ATU.
CI-V, AF-DSP.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 64.455 MHz
2nd IF: 455 KHz
Sensitivity: AM (10 dB S/N)
0.5-1.8 MHz: 13 uV
1.8-29.7 MHz: 2 uV
50-54 MHz: 1 uV
FM (12 dB SINAD)
28-29.7 MHz: 0.5 uV
50-54 MHz: 0.25 uV
SSB/CW (10 dB S/N)
1.8-29.7 MHz: 0.16 uV
50-54 MHz: 0.13 uV
Selectivity: AM/NFM
9 KHz (-6 dB)
20 KHz (-50 dB)
FM
15 KHz (-6 dB)
30 KHz (-50 dB)
SSB/CW
2.4 KHz (-6 dB)
4.0 KHz (-60 dB)
Image rejection:Better than 70 dB
AF output power / speaker:500 mW at 10% distortion / 8 ohm @ 9.6 VDC
1 W at 10% distortion / 8 ohm @ 13.8 VDC
External speaker connector:3.5 mm, 8 ohm (mono)




TRANSMITTER SECTION
RF output power:

@ 9.6V@ 13.8V
AM:0.1-2 W0.1-4 W
FM:0.1-5 W0.1-10 W
SSB (PEP):0.1-5 W0.1-10 W
CW/RTTY:0.1-5 W0.1-10 W
Modulation system:AM: Low level modulation
FM: Variable reactance modulation
SSB: Balanced modulation
Max FM deviation (Factory set):±? KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:600 ohm / 8-pin (Modular)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 2003-20xx (Discontinued)
Additional info:New price 2008 in Sweden: SEK 10500:-
Related documents: User manual (8.1 MB)
Service manual (9.2 MB)
Two RD07MVS1 finals
Modifications and fixes:
Reviews:
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Mobile antenna element. 7-54 MHz. 2.5 m long
Automatic antenna tuner, HF, 150 W
Automatic antenna tuner, HF/6 m
NiCd battery pack. 9.6 V, 2800 mAh
500 Hz narrow CW filter. IF: 455 KHz
250 Hz CW/RTTY super-narrow filter. IF: 455 KHz
1.8 KHz super narrow filter. IF: 455 KHz
3.3 KHz SSB wide filter. IF: 455 KHz
Standard hand microphone
Multi-bag with controller case
Mobile mounting bracket
Front panel mounting bracket
Mounting base
Carrying handle
Separation cable. 3.5 m (11.5 ft)
Separation cable. 5 m (16.4 ft)
Microphone adapter cable
13-pin ACC cable
13-pin ACC connector to 7-pin + 8-pin ACC connectors
CD power adapter cable
DC power supply. 13.8 VDC, 25 A
Desktop microphone. Up/down switches and lo-cut
External speaker. 5 W, 8 ohms
External speaker. 5 W, 8 ohms
Slim-type external speaker. 3 W, 8 ohms
Voice synthesizer unit
DSP unit
A rear picture of Icom IC-703 Plus