Clear-Com KB111A Remote Speaker Station

The Clear-Com KB-lllA is a Remote Speaker Station that provides talk/ listen communications on one of two channels within our closed-circuit intercom system. It features a wide frequency response, high output speaker and the ability to operate with a carbon headset OR a dynamic headset, handset, or push-to-talk mic.

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:

• AMPLIFIER DESIGN: Solid-state, integrated-circuit amplifiers which include a mic preamp, headset/speaker power amplifier and signaling circuitry. Current limited with short-circuit and reverse-polarity protection.
• MIC PREAMPLIFIER:
  • Frequency Response: 200 Hz - 12 kHz with contoured response to enhance voice intelligibility.
  • Mic Input: 200 Ω
  • Mic Preamp Gain: 37 dB
• HEADPHONE AMPLIFIER:
  • Frequency Response: 100 Hz - 18 kHz, ±2 dB
  • Headset Impedance: 8 - 2,000 Ω
  • Output Level: +20 dB @ 600 Ω
  • Amp Gain: 37dB
• SPEAKER AMPLIFIER:
  • Speaker Type: 3" square
  • Power Output: 2 watts
  • Frequency Response: 100 Hz - l5 kHz
  • Distortion: 0.5% THD at 1 kHz
  • Speaker Level: 98 dB SPL at 3 feet
• GENERAL:
  • Signal-to-Noise: 75 dB
  • Line-to-Speaker Gain: 30.5 dB
  • Headset Level: >110 dB SPL with standard
  • ClearCom headsets
  • Line Level: -15 dBv nom*, 0 dBv max
  • Sidetone Adjustment: 35 dB null to full on
  • Signaling Voltage: 11 volts DC on audio line
  • Call Light Sensitivity: 4 volts
  • Station Bridging Impedance: >15 kΩ
• PROGRAM INPUT:
  • Impedance: 500 kΩ
  • Level: .7v for max output
• POWER REQUIREMENTS:
  • 20 mA quiescent, 60 mA average talk or signaling.
  • 150 mA maximum load.
  • Voltage Range: 12 - 32 volts, 28 volts nominal
• CONNECTORS:
  • Headset: 4-pin male XLR
  • Line: 5-screw terminal block
  • DIMENSIONS: 8.6" x 6.5" x 1.43" (218mm x 165mm x 36mm)
  • WEIGHT: 1.6 lbs. (.73kg)