Clear-Com KB211 Communication Speaker Station Clear-Com

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Description

Clear-Com KB211 Communication Speaker Station Clear-Com

The Clear-Com PL-Pro™ KB-211 is a two-channel speaker station designed for use in theatres, live performances, industrial environments, and small television facilities. It features speech intelligibility, even in high noise levels, and can be customized through its programmable options.

Features:

  • Allows selectable two-channel communications
  • Wide frequency response speaker with on/off switch
  • Intercom volume control
  • Operates with carbon or dynamic headsets
  • Mic on/off switch and adjustable sidetone
  • Visual Call Signaling
  • Portable or permanent installation
  • Solid 3/16" machined aluminum front pane

Specifications:

  • Headset Microphone Pre-Amp
    • Input Type: Dynamic
    • Impedance: 1k ohm
    • Input Level: -55 dBV nominal; -10 dBV max.
    • Gain from headset mic to intercom line: +41 dB
  • Pre-Amp Response Curve
    • Frequency Response: 250 Hz to 12 kHz, contoured for intelligibility
    • Limiter Range: 20 dB
  • Headphone Amplifier
    • Load Impedance Range: 50 ohm to 2k ohm
    • Output Level: at least +20 dBV across 600 ohm
    • Distortion: < 0.5% THD at 1 kHz
    • Frequency Response: 200 Hz to 15 kHz, ±3 dB
    • Gain from intercom line: +37 dB
    • Power Output: 110 dB SPL
  • Speaker Amplifier
    • Speaker Type: 2.5 in. round, 16 ohm
    • Power Output: 2 W into 16 ohms
    • Frequency Response: 200 Hz to 15 kHz, ±3 dB
    • Signal-to-Noise: 75 dB
    • Gain from intercom line: +37 dB
    • Distortion: < 0.5% THD at 1 kHz
    • Speaker Level: 98 dB SPL at 3 ft.
  • Program Amplifier
    • (Transformerless, balanced differential input)
    • Input Level: -20 dBV
    • Input Impedance: > 100k ohm
    • Frequency Response: 150 Hz to 15 kHz, ± 3 dB
  • Power Requirements
    • Voltage: 30-VDC standard unit; 16 to 18 VAC with 4-Wire Option Module
    • Current: 100 mA average
  • Internal Connectors
    • Intercom: five-position, plug-on screw terminals
    • Program: three-position, plug-on screw terminals
    • AC Power
    • (4-Wire Option Module): two-position, plug-on screw terminals
  • Internal Controls
    • (1) Call Signal jumper; (3) Option switches; (1) Tone Alert Volume control
  • Front Panel Connectors
    • Headset: (1) XLR-4M
  • Front Panel Controls & Indicators
    • (1) Program Level control; (1) Intercom volume control; (1) Sidetone control; (1) Talk button; (1) Call button; (1) VOX control (KB211GM only); (1) Channel selector; (1) Speaker On-Off switch; (1) Talk LED; (1) Call LED
  • Environmental
    • 32 to 122 F (0 to 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
    • 1.22 lbs. (0.56 kg)

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