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Icom IC-R8500
Wideband Receiver


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Icom R8500

The Icom IC-R8500-32K government receiver produces performance, coverage and sophistication rarely seen in other models. Covering 100 kHz to 1999.99 MHz, this receiver does cover it all; and more importantly; it does it well throughout this extraordinary range. Most wideband receivers tend to perform only modestly below 30 MHz. The R8500 (and R9500) are clear exceptions to this rule, combining the performance of the popular HF IC-R75 and venerable VHF/UHF IC-R7100. Reception modes include:  AM, LSB, USB, CW, FM-N and FM-W. This receiver is equipped with IF Shift and Auto Peak Filter functions ... a first for receivers in this class. The IF shift effectively rejects nearby signals in the SSB modes. The APF can select between two bandwidths and serves as a tone control in the FM mode and can also selectively boost signals in the CW mode.

Triple conversion and advanced RF circuits achieve an improved dynamic range of 107 dB and an intercept point of 27.5 dBm. Separate band pass filters minimize cross modulation and provide high sensitivity in the 0.1 to 30 MHz range. The R8500 employs a PLL circuit which provides tuning and readout resolution to an amazing 10 Hz. A host of tuning steps are featured:  10, 50, 100 Hz, 1, 2.5, 5, 9, 10, 12.5, 20, 25, 100 kHz and 1 MHz. In addition you can program your own tuning step (0.5-199.5 kHz). Direct keypad frequency entry is available. And what a memory system! 1000 channels are available organized in 20 banks of 40 channels, plus 100 skip channels and 100 Auto Write Memories. Other refinements include:  Noise Blanker, S and Center Tune Meter, RF Attenuator, LCD Dimmer, Clock-Timer, Record Jack and Recorder Activation Jack, Selectable AGC [Fast/Slow] and Main Dial Tension adjustment. Attenuation may be set for 0, 10, 20 or 30 dB. The LCD display is large and crisp. The rear panel features three separate antenna inputs (covering two ranges: 0.1-30 MHz SO239/RCA and 30-2000 MHz N). Other rear panel jacks include:  IF Output (10.7 MHz), Remote Jack, AGC Out Jack, External Speaker and RS-232C (DB25) Jack. The R8500 is supplied with an AD-55 AC adapter or may be run from 12 VDC with the supplied OPC-023C DC cord.
The IC-R8500 was reviewed in the April 1997 issue of QST magazine.
The Icom IC-R8500-32K could be purchased by the Federal government or for export only.

The IC-R8500-02 model is the same as above, but with the 824-849 / 869-894 MHz cellular bands blocked. This blocked, consumer version was discontinued by Icom.

Order # Photo Item Description List Price Your Price Order
    AD-55A External 110 VAC 60 Hz to 16 VDC 1.5 Amp power supply. Discontinued
    AD-55E External 220 VAC 50 Hz to 16 VDC 1.5 Amp power supply adapter. Discontinued
    AD-55S-22 External 100-240 VAC to 15 VDC 2 Amp power supply. USA plug. Discontinued
    AD-55S-23 External 100-240 VAC to 15 VDC 2 Amp power supply. Round tip Euro plug. Discontinued
  AH-7000 AH-7000 This discone antenna receives 25 to 1300 MHz. It can also be used for transmit on 50, 144, 430, 900 and 1200 MHz ham bands (under 100W). The discone design offers the best performance possible in an omni-directional antenna. 5.5 feet With preassembled 50 foot cable with an N connector at each end. INFO Discontinued
   AH-8000 AH-8000 Outdoor omni-antenna with 49 feet lead-in covering 100-3300 MHz. It can also be used for transmit on 144, 430, 1200 and 2400 MHz ham bands (under 200W). INFO Discontinued
  CR-293 CR-293 This high stability option virtually eliminates drift. 0.5 ppm at 0C to +60C. Discontinued
  CT-17 CT-17 CI-V Level Converter for connection of up 4 receivers/transceivers to a PC RS-232C port. INFO Discontinued
  Filter 455 FL-52A This 500 Hz filter is great for CW or narrow shifted RTTY. Discontinued
  MB-12 MB-12 Mobile mounting bracket Discontinued
  MB-23 MB-23 Carry handle. Not in stock
    OPC-023C DC fused power cable (3 Amp, 4 pin). Length 9.8 ft (3 m). Discontinued
    RS-R8500 Remote control CD software with virtual front panel, band scope and scan controller. Includes serial cable to PC. Requires Windows™ 3.1/95. Click here to view screens. Discontinued
  SP-7 SP-  7 External speaker on stand. INFO Discontinued
  SP-20 SP-20 External speaker with built-in audio filters. Includes audio cable. (Matches: R7000 or R7100). Discontinued
  SP-21 SP-21 External speaker. Includes audio cable to mini plug. Discontinued
  SP23 SP-23 External Speaker with dual inputs, audio filtration, speaker switch and headphone jack. INFO Not in stock
  TVR7100 TV-R7100 This TV/FM adapter adds TV video reception (external optional video monitor required) plus provides FM stereo output. INFO Discontinued
  UT-102 UT-102 This voice synthesizer announces the displayed frequency. INFO Discontinued

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#1850 99-15 D[2400] 1900/1800 Q===/=== JP 01/21