KB-702 2-Channel Flush-Mount Speaker Station

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Description

KB-702 2-Channel Flush-Mount Speaker Station

 

2-Channel Select Flush Mount Headset/Speaker Station Mounts in V-Box, HelixNet S-Mount, or console.

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.

 

SPECIFICATIONS

 

Headset Microphone Input

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

Program Line Input

  • Maximum Level before Clipping: >= 20dBu
  • Input Impedance: >= 5KΩ

Headset Output

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

Speaker Output

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

Party-line Output

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

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 in. (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

  • 8.25 in. W x 4.5 in. H x 1.75 in. D
  • (210 mm x 114 mm x 44 mm)

Weight

  • 0.99 lbs. (0.45 Kg)

 

Product Spares List

Product Spare PartSpare Part Description
810492ZKB-702/KB-702GM MANUAL