Friday, April 30, 2021

Icom IC-R8500

General
Frequency Coverage:
0.10000 - 823.99999 MHz
849.00001 - 868.99999 MHz
894.00001 - 1999.99999* MHz (*guaranteed: 0.1 - 1000 and 1240 - 1300 MHz)
Mode: SSB (USB,LSB); AM (Normal, Wide, Narrow); WFM; FM (Normal, Narrow); CW (Normal, Narrow*) (*optional filter required)
Number of memory channels: 1000 (plus 20 scan edges and 1 priority channel)
Antenna connector:
Below 30 MHz: SO-239 (50 ohms/Phono [RCA (500 ohms)])
Above 30 MHz: Type-N (50 ohms)
Usable Temperature Range: -10°C ~ +50°C; +14°F ~ +122°F
Frequency stability (in FM mode):
Below 30 MHz: ±100 Hz (optional ±20 Hz)
Above 30 MHz: ±3 ppm (optional ±0.6 ppm)
Tuning steps: 10, 50, 100 Hz; 1, 2.5, 5, 9, 10, 12.5, 20, 25, 100 kHz; 1 MHz or programmable (0.5 - 199.5 kHz/0.5 kHz steps)
Power Supply Requirement: 13.8 V DC ±15% (negative ground) or 117/220/240 VAC (with AD-55/A/V)
Current drain (at 13.8 V DC):
Standby: 1.8 A
Maximum audio output: 2.0 A
Dimensions: 287(W) x 112(H) x 309(D) mm; 11.3(W) x 4.4(H) x 12.2(D) in
Weight: 7.0 kg; 15.4 lb.
Receive system: Superheterodyne
Intermediate frequencies:
1st: 48.8 MHz (0.1-29.99999 MHz); 778.7 MHz (30.0-499.99999 MHz); 266.7 MHz (500.0-1024.99999 MHz)
2nd: 10.7 MHz (0.1-29.99999 MHz); 10.7 MHz (30.0-499.99999 MHz); 10.7 MHz (500.0-1024.99999 MHz)
3rd*: 455 kHz (0.1-29.99999 MHz); 455 kHz (30.0-499.99999 MHz); 455 kHz (500.0-1024.99999 MHz) (*except WFM)

Sensitivity (typical):

Frequency band (MHz) SSB/CW AM AM-N AM-W FM WFM
0.1-0.49999 1.0 µV 6.3 µV - - - -
0.5-1.79999 2.0 µV 13.0 µV - - - -
1.8-1.99999 0.25 µV 3.2 µV 2.5 µV - - -
2.0-27.99999 0.2 µV 2.5 µV 2.0 µV - - -
28.0-29.99999 0.2 µV 2.5 µV 2.0 µV - 0.5 µV -
30.0-999.99999 0.32 µV 2.5 µV 2.0 µV 3.2 µV 0.5 µV 1.4 µV
1240.0-1300.00000 0.32 µV 2.5 µV 2.0 µV 3.2 µV 0.5 µV 2.0 µV

Squelch sensitivity (threshold/tight):
1.8-29.99999 MHz:
SSB, CW, AM-N: 10 µV/320 mV
AM, AM-W: 0.5 µV/320 mV
28-29.99999 MHz:
FM: 0.5 µV/320 mV
30-1000, 1240-1300 MHz:
FM, AM, AM-W: 0.4 µV/320 mV
WFM, SSB, CW, AM-N: 4.5 µV/320 mV
Selectivity:
WFM: More than 150 kHz/-6 dB
FM, AM-W: More than 12 kHz/-6 dB
AM, FM-N: More than 5.5 kHz/-6 dB
AM-N, SSB, CW: More than 2.2 kHz/-6 dB
Spurious and image rejection ratio:
1.8-29.99999 MHz: More than 60 dB
30-1000/1240-1300 MHz: 50 dB (typical)
Audio Output Power (at 13.8 V DC): More than 2.0 W at 10% distortion with an 8 ohms load.
IF shift variable range: More than ±1.2 kHz
External speaker connector: 2-conductor 3.5 mm (1/8 in)/4-8 ohms

Options
AH-7000 SUPER WIDEBAND OMNI DIRECTIONAL ANTENNA: Frequency coverage: 25 to 1300 MHz.
SP-7 EXTERNAL SPEAKER: Style and size are matched with the IC-R8500. Input impedance: 8 ohms. Max. input power: 5 W
SP-21 EXTERNAL SPEAKER: Input impedance: 8 ohms. Max. input power: 5 W
TV-R7100 TV/FM ADAPTER: Adds capability to receive TV broadcasts and FM broadcasts in stereo.
IC-MB12 MOBILE MOUNTING BRACKET: Receiver mounting bracket for mobile operation.
MB-23 CARRYING HANDLE: For easy portable operation.
CR-293 HIGH STABILITY CRYSTAL UNIT: Frequency stability: ±0.5 ppm at 0°C to +60±C
FL-52A CW NARROW FILTER: Center freq: 455 kHz; Bandwidth: 500 Hz/-6 dB
UT-102 VOICE SYNTHESIZER UNIT: Provides audible confirmation of an accessed band's frequency.
AD-55/A/V AC ADAPTER: Allows you to power the transceiver via domestic AC.

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