Clear-Com KB702
KB-702

OUR PART #  KB702


The Clear-Com KB-702 is a 2-channel select flush mount headset/speaker station that can be mounted in a V-Box or accessory enclosure (8.25" X 4.5")

The KB-702 remote speaker station permits the user to select between two channels of party-line communications, with the ability to talk and/or listen on the selected channel. The user can listen via the integrated speaker, or may use a headset or telephone-style handset - and can talk via a headset mic, a telephone handset, or a push-to-talk microphone.

Clear-Com KB-702 Specifications:

  • Headset Microphone Input:
    • Input Type:  Dynamic
    • Input Impedance:  >= 1 kOhm
    • Mic Limiter Threshold:  -2dBu ± 3dB
    • Mic Limiter Range:  >= 15dB
  • Program Line Input:
    • Maximum Level before Clipping:  >= 20dBu
    • Input Impedance:  >= 5 kOhms
    • Headset Output:
    • Load Impedance:  >= 8 Ohms
    • Output Impedance:  <= 25 Ohms
    • Output Limiter Threshold:  +5dBu ± 3dB
    • Maximum Output Level before Distortion:  >=17dBu
  • Speaker Output:
    • Load Impedance:  >= 4 Ohms
    • Max Output Level before 1% Distortion:  20dBu ± 2dBu
    • Party-line Output:
    • Off Noise:  < -74dBu
    • Output Impedance:  >10 kOhms
  • Party-line Input:
    • Crosstalk:  < -60dB
    • Max level before Clipping:  >=12dBu
  • Frequency Response:
    • Headset Mic - Party-line:  300 - 15KHz ± 3dB
    • Program Input - Headset Out:  200 - 18KHz ± 3dB
    • Program Input - Speaker Out:  200 - 18KHz ± 3dB
    • Party-line - Headset Out:  200 - 18KHz ± 3dB
    • Party-line - Speaker Out:  200 - 18KHz ± 3dB
  • Max Distortion:
    • Headset Mic - Party-line:  <= 0.5%
    • Program Input - Headset Out:  <= 0.2%
    • Program Input - Speaker Out:  <= 0.5%
    • Party-line - Headset Out:  <= 0.2%
    • Party-line - Speaker Out:  <= 0.5%
  • Noise:
    • Headset Mic - Party-line:  < -70dBu
    • Program Input - Headset Out:  < -60dBu
    • Program Input - Speaker Out:  < -60dBu
    • Party-line - Headset Out:  < -50dBu
    • Party-line - Speaker Out:  < -50dBu
  • Max Gain:
    • Headset Mic - Party-line:  41dB ± 2dB
    • Program Input - Headset Out:  >= 18dB
    • Program Input - Speaker Out:  >= 24dB
    • Party-line - Headset Out:  >= 34dB
    • Party-line - Speaker Out:  >= 40dB
  • Power:
    • Input Voltage Range:  20-30 VDC
    • Input Current (Idle):  <= 90mA
    • Input Current (Max):  <=110mA
  • Internal Adjustments and Connections:
    • Intercom:  Line Five terminal connector
    • Program Input:  Three terminal connector
    • Option Switches:  Three DIP switches
    • Call Signal Jumper3:  Three sets of options jumpers
    • Call Alert Tone Level Control:  Level adjustment control
  • Front Panel Connectors:
    • Panel Mic (KB-702GM only):  (1) 1/4" (0.64 cm) panel mounting jack
    • Headset:  (1) XLR-4M
  • Front Panel Controls & Indicators:
    • (1) Program monitor level control
    • (1) Sidetone null control
    • (1) Talk button
    • (1) Call button
    • (1) Speaker ON-OFF switch
    • (1) Channel select switch
    • (1) Speaker volume control
  • Environmental:  32 - 122°F (0 - 50°C)
  • Dimensions (WxHxD):  8.25" x 4.5" x 1.75" (210mm x 114 mm x 44 mm)
  • Weight:  0.99 lbs. (0.45 Kg)

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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