ICOM IC-7851

HF/50MHz Transceiver

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The ICOM IC-7851 is a HF/50MHz transceiver. It covers a frequency range of 0.03-60 MHz for reception and 160-6 m for transmission. The rig features a double conversion superheterodyne receiver system with IF frequencies of 1st: 64.455 MHz (MAIN band), 64.555 MHz (SUB band) and 2nd: 36 kHz. It has an RF output of 5-200 W and an audio output of 2.6 W at 10% distortion with an 8 Ω load. The IC-7851 includes a 7-inch display, waterfall/scope, USB, Ethernet, SP/DIF, SD Card, and antenna tuner. Dimensions are 149 × 425 × 435 mm. It weighs 23.5 kg.

General characteristics

HAM bands: 160m 80m 60m 40m 30m (WARC) 20m 17m (WARC) 15m 12m (WARC) 6m 10m
Frequency stability: ≥ ±0.05 p.p.m.
Tuning steps: 1 Hz minimum
Memories: 101 channels in bank(s)

Receiver

RX-range: 0.03-60 MHz
Modulations: AM FM CW USB LSB RTTY PSK31/63
Sensitivity: SSB, CW, RTTY, PSK (BW=2.4 kHz, 10 dB S/N)
0.100–1.799 MHz 0.5 µV (pre-amp 1 ON)
1.800–29.990 MHz 0.16 µV (pre-amp 1 ON)
50.000–54.000 MHz 0.13 µV (pre-amp 2 ON)
AM (BW=6 kHz, 10 dB S/N)
0.100–1.799 MHz 6.3 µV (pre-amp 1 ON)
1.800–29.990 MHz 2 µV (pre-amp 1 ON)
50.000–54.000 MHz 1 µV (pre-amp 2 ON)
FM (BW=15 kHz, 12 dB SINAD)
28.000–29.990 MHz 0.5 µV (pre-amp 1 ON)
50.000–54.000 MHz 0.32 µV (pre-amp 2 ON)
Selectivity: SSB, RTTY (BW=2.4 kHz)
More than 2.4 kHz/–3 dB
Less than 3.6 kHz/–60 dB
CW/RTTY/PSK (BW=500 Hz)
More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
AM (BW=6 kHz)
More than 6.0 kHz/–3 dB
Less than 15.0 kHz/–60 dB
FM (BW=15 kHz)
More than 12.0 kHz/–6 dB
Less than 20.0 kHz/–60 dB
Filters: 15 / 6 / 3 / 1.2 kHz
Receiver system: Double conversion superheterodyne
IF-frequencies: 1st: 64.455 MHz (MAIN band), 64.555 MHz (SUB band)
2nd: 36 kHz
Image rejection: ≥ 70 dB
Audio output: 2.6 W at 10% distortion with an 8 Ω load

Transmitter

TX-range: 160-6 m
Modulations: AM FM CW USB LSB RTTY PSK31/63
RF-output: 5-200 W

Connections

Antenna: BNC + SO-239
Impedance: 50Ω
Other: -

Electrical

Power requirements: Mains (85-265 V AC)
Current drain RX: 200 VA
TX: 800 VA max

Physical

Dimensions (w×h×d): 425 × 149 × 435 mm (16.73 × 5.87 × 17.13 in)
Weight: 23.50 kg (51.8 lbs)
Form factor: Base Station
Manufactured: Between 2014 and 201x in Japan

Other features

Usage: Amateur / Ham radio operators
Features + options: 7-inch display
Waterfall / scope
USB, Ethernet, SP/DIF
SD Card
Antenna tuner
Accessories: -
RigReference ID: 6315
MPN: ICOM-IC-007851

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Manuals, diagrams and brochures

: Product review from QST PDF - 3.42 MB, submitted by RigReference

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Reviews

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New and second-hand prices

Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of a used ICOM IC-7851. Just bought or sold this model? Let us know what you traded it for and help other ham operators!

Based on historic price data, today's estimated value of the ICOM IC-7851 in Good condition is around:

EUR 5,263

Price History Chart

These estimates are based on the following prices:

Year	Historic price	Condition	Submitted by
2019	EUR 7000.00	Used / Mint	Helmut

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