IC-728

ICOM
IC-728

Specifications

Prices

The IC-728, a compact HF transceiver, covers all 9 amateur-radio bands from 160 to 10 meters with up to 100 Watt output power. Triple conversion receiver, 10 Hz display and tuning step, RF preamplifier and attenuator, passband tuning control (PBT), Noise Blanker, RIT, CW break-in, speech compressor, split frequency and cross mode operations, analog S/RF meter, 26 memories, three types of scanning. Ideated in Japan, year of introduction 1992.

Reference market : amateur-radio

IC-728 specifications

General

Frequency coverage
Receive	0.5000 ~ 30.0000 MHz
Transmit	1.8000 ~ 1.9999 MHz 3.5000 ~ 4.0000 MHz 7.0000 ~ 7.3000 MHz 10.1000 ~ 10.1500 MHz 14.0000 ~ 14.3500 MHz 18.0680 ~ 18.1680 MHz 21.0000 ~ 21.4500 MHz 24.8900 ~ 24.9900 MHz 28.0000 ~ 28.7000 MHz
Mode
CW / LSB / USB / AM [1] / FM [2]
Tuning step
10 / 20 / 50 Hz / 1 kHz 1 MHz

Receiver

Sensitivity
CW / SSB	<0.16 uV (1.8~30 MHz, 10dB S/N, pre ON)
AM	<13.0 uV (0.5~1.8 MHz, 10dB S/N) <2.0 uV (1.8~30 MHz, 10dB S/N, pre ON)
FM	<0.5 uV (28~30 MHz, 12 dB SINAD, pre ON)
Selectivity
CW-N [3]	250 Hz (-6dB)
CW-N [4]	500 Hz (-6dB)
CW / SSB	>2.1 KHz (-6dB) <4.0 KHz (-60dB)
AM	>6.0 KHz (-6dB) <20.0 KHz (-40dB)
FM	>12.0 KHz (-6dB) <30.0 KHz (-50dB)
RF preamplifier
~10 dB
RF attenuator
20 dB
Spurious rejection
>70 dB
PBT (Passband Tuning)
Yes
NB (Noise Blanker)
Yes
RIT (Receiver Incremental Tuning)
±1.2 kHz (10 Hz steps)
Frequency stability
±200 Hz from 1' to 60' after power on. ±30 Hz/hr with temperature +25°C after 60' power on. ±350 Hz with temperature from 0°C to +50°C. ±0.5 ppm with temperature from -30°C to +60°C [5]
IF (Intermediate Frequency)
1°	70.4500 MHz (AM / FM) 70.4506 MHz (CW) 70.4515 MHz (SSB)
2°	9.0100 MHz (AM / FM) 9.0106 MHz (CW) 9.0115 MHz (SSB)
3°	455 kHz (FM)

Transmitter

Output power
CW / SSB / FM	10 ~ 100 W
AM	10 ~ 40 W
Spurious emission
<-50 dBc
Carrier suppression (SSB)
>40 dB
Unwanted sideband suppression (SSB)
>50 dB
Microphone
600Ω
CW features
Semi break-in

Features

Memory
22 regular memories 2 split memories 2 for scan edge 2 VFO
Display
10 Hz frequency resolution
Selective calling
CTCSS [6]
Antenna
SO239 50Ω
Power supply
13.8 VDC (±15%)
Power consumption
1.3A RX (squelched) 1.6A RX (max audio) 20A TX (max RF power)
Audio power
2.6W on 8Ω
Audio output
Jack 6.35 mm (headphone) Jack 3.5 mm (4~16Ω external speaker)
Connections
Jack 8-pin (mic) Jack 3.5 mm (CI-V / PC) Jack 6.35 mm (CW key) RCA (SEND control) RCA (ALC input) 4-pin strip (AH3 or AT-160 antenna tuner) 7-pin DIN (ACC2) 8-pin DIN (ACC1)

Mechanical and environmental data

Operating temperature
from -10°C to +60°C
Dimensions
241 (W) x 94 (H) x 239 (D) mm, projections not included
Weight
4.6 kg

Optional UI-7 AM/FM unit is required for AM transmit.
Optional UI-7 AM/FM unit is required for FM transmit and receive.
With optional FL-101 filter.
With optional FL-100 filter.
With optional CR-64 high-stability crystal unit.
With optional UT-30 programmable tone encoder unit.

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IC-728 price

We have collected for your convenience the ICOM IC728 sale price (UK Pounds) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.

Price	Date	Condition
GBP 227.00 (275USD)	2022-may	Second Hand In nice shape. Comes with a microphone, power cord, manual and brochure, box
GBP 339.00	2021-apr	Second Hand In good condition
GBP 260.00 (369USD)	2009-may	Second Hand The cabinet is in good condition. Comes with the UI-7 AM/FM board and FL-101 CW filter installed

IC-728 review

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