Clear-Com KB-702 Encore 2-Channel Remote Speaker Station

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 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.

Clear-Com KB-702 Features

• Four modes of operation that are internally programmable via dip switches
• Balanced local program input with separate level control
• Visual and audible call signaling
• Optional 4-wire daughter board for flexibility
• Wall or console mountable, or optional V-Box for portable or desktop use
• Built-in speaker

• KB-702 Encore 2-Channel Remote Speaker Station1

• 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
• Frequency Response
  • 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
  • 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%
• Noise
  • Headset Mic – Partyline: < -70dBu
  • Program Input – Headset Out: < -60dBu
  • Program Input – Speaker Out: < -60dBu
  • Partyline – Headset Out: < -50dBu
  • Partyline- Speaker Out: < -50dBu
• Max Gain
  • Headset Mic – Partyline: 41dB ± 2dB
  • Program Input – Headset Out: >= 18dB
  • Program Input – Speaker Out: >= 24dB
  • Partyline- Headset Out: >= 34dB
  • Partyline- 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
• Environmental32° – 122°F (0° – 50°C)
• Dimensions (HxWxD)4.5x8.25x1.75" (114x210x44mm)
• Weight0.99 lbs (0.45kg)