ClearCom KB-702GM 2-Channel Encore Intercom System Flush Mount Remote Speaker Station w/Gooseneck Mic Input

ITEM #: CC-KB702GM MFG #: KB-702GM

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    KB-702GM - Overview

    The ClearCom KB-702GM is a two-channel intercom system speaker station with a gooseneck mic input and VOX circuitry. Ideal for theater, live performances, industrial applications, and small TV facilities this remote speaker station allows you 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 integral 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.

    The KB-702GM features a gooseneck-mic iput and VOX circuitry, for hands-free full-duplex communications without a headset. A switch allows you to choose between the optional GM-9 or GM-18 microphone (sold separately) and the headset connector. The adjustable close-in VOX feature automatically detects the user's voice at the mic and dips the level of the integral speaker while increasing the gain of the microphone, performing in the opposite manner when listening. The potential for acoustic feedback is minimized while permitting natural conversation levels and dynamics.

    Microprocessor-controlled logic and switching yields a feature-rich intercom station in a compact format. Electronic switching for the talk button, blue-color LED (on), amber color LED (o), permits momentary or latching operation. For call signaling, a bright LED lights when a call is activated on a connected intercom channel. A defeatable audible call signal, with level control, is also provided. Separate level controls supply intercom level and a balanced program input. A local program source may be fed to the station, allowing the user to monitor that source while remaining in contact on the intercom system. The balanced program input can also be used in conjunction with the stage-announce output of a main station to provide a paging interrupt, allowing paging at the KB station even if the intercom volume control is turned down. A set of option dip switches is located at the top of the circuit board. Switches are provided for mic-latch disable (momentary-only talk), long-line operation, channel selection, call signal tracking, and audible call signaling. This versatile station can be wall or console mounted in a standard U.S. 4-gang electrical box.

    Please Note! This item is just one component of a larger system. Please refer to the diagram for ideas and recommendations for your Clear-Com intercom system. Diagram shown is a recommendation for a small broadcast station with simple partyline.

    • Features:

      • Selectable two-channel, full-duplex operation
      • Microprocessor-controlled logic and switching
      • Momentary/latching talk button
      • Visual and audible call signaling, with bright LED indicator
      • Balanced local program input with separate level control
      • Internal controls for call signal tracking, mic latch disable, and other functions
      • Use with headset or handset, with integral speaker for monitoring
      • KB-702GM adds mic jack for gooseneck mic plus VOX circuitry
      • Optional TW and 4-Wire daughter boards provided additional exibility
      • Wall or console mount, or optional V-Box for portable or desktop use
      • LED buttons for talk, listen, call, announce, link, all talk, or mic on
    • Specifications:

      • Panel Microphone Input
      • Input Type: Electret
      • Input Impedance: >=2K
      • Mic Limiter Threshold: -2dBu ±3dB
      • Mic Limiter Range: >= 15dB

        Headset Microphone Input
      • Input Type: Dynamic
      • Input Impedance: >= 1K
      • Mic Limiter Threshold: -2dBu ± 3dB
      • Mic Limiter Range: >= 15dB

        Program Line Input
      • Maximum Level before Clipping: >= 20dBu
      • Input Impedance: >= 5K

        Headset Output
      • Load Impedance: >= 8
      • Output Impedance: <= 25
      • Output Limiter Threshold: +5dBu ± 3dB
      • Maximum Output Level before Distortion: >= 17dBu

        Speaker Output
      • Load Impedance: >= 4
      • Max Output Level before 1% Distortion: 20dBu ± 2dBu

        Partyline Output
      • Off Noise: < -74dBu
      • Output Impedance: >10K

        Partyline Input
      • Crosstalk: < -60dB
      • Max level before Clipping: >= 12dBu
      • Sidetone Null Capability: > 25dB

        Frequency Response
      • Panel Mic - Partyline: 300 - 16kHz ± 3dB
      • Mic - Partyline: 300 - 15kHz ± 3dB
      • Program Input - Headset Out: 200 - 18kHz ± 3dB
      • Program Input - Speaker Out: 200 - 18kHz ± 3dB
      • Partyline- Headset Out: 200 - 18kHz ± 3dB
      • Partyline- Speaker Out: 200 - 18kHz ± 3dB

        Max Distortion
      • Panel Mic - Partyline: <= 0.5%
      • Headset Mic - Partyline: <= 0.5%
      • Program Input - Headset Out: <= 0.2%
      • Program Input - Speaker Out: <= 0.5%
      • Partyline- Headset Out: <= 0.2%
      • Partyline - Speaker Out: <= 0.5%

      • Panel Mic - Partyline: < -65dBu
      • Headset Mic - Partyline: < -70dBu
      • Program Input - Headset Out: < -60dBu
      • Program Input - Speaker Out: < -60dBu
      • Partyline - Headset Out: < -50dBu
      • Partyline- Speaker Out: < -50dBu

        Max Gain
      • Panel Mic - Partyline: >= 37dB
      • Headset Mic - Partyline: 41dB ± 2dB
      • Program Input - Headset Out: >= 18dB
      • Program Input - Speaker Out: >= 24dB
      • Partyline- Headset Out: >= 34dB
      • Partyline- Speaker Out: >= 40dB

      • Input Voltage Range: 20-30V DC
      • 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 Jumper 3: Three sets of options jumpers
      • Call Alert Tone Level Control: Level adjustment control

      • 32 - 122°F (0 - 50°C)
    • GTIN:


    KB-702GM - Required Accessories

      California Residents:
      Cancer and Reproductive Harm -