Sonifex CM-TB8T Talkback Control Unit CM-TB8 with CM-TBT Dual PSTN Telephone Hybrid

SKU: CM-TB8T

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Description

Sonifex CM-TB8T Talkback Control Unit CM-TB8 with CM-TBT Dual PSTN Telephone Hybrid

FEATURES

  • 8 Channel talkback control unit in a 1U rackmount package.
  • Separate microphone and headset inputs with phantom power and individual gain settings.
  • Microphone talk levels can be instantly adjusted or preset.
  • Talk level LEDs and built-in limiter.
  • Configurable ‘Group Talk’ function.
  • Interruptible Foldback and direct 4-Wire operation selectable on each channel with optional talkback-microphone mix function.
  • 2 external IFB (Interruptible Foldback) inputs are available to each channel.
  • Optional telephone hybrid or GSM ports allow direct connection to a telephone line for remote communications.
  • Individual monitor level control for each channel.
  • Microphone output feed which is gain adjusted & level limited.
  • Ethernet connection for remote configuration with the built-in web server.
  • 6 stored configuration templates with 4 user-editable sets.
  • Front panel loudspeaker with separate feed for an external loudspeaker.
  • Loudspeaker mute and dim controls, also available on remote input.
  • Remote ‘tally’ outputs indicating when each channel is active.
  • Remote inputs providing a call indication on each channel.
  • Built-in tone generator for channel identification.

The CM-TB8 8 Channel Talkback Control Unit is ideal in an OB truck or small studio. The CM-TB8 is a talkback control unit providing 8 channels of 4-wire communication, housed in a 1U rack mount enclosure.

The unit has individual connections for both a headset on 5 pin XLR and microphone/headphones on XLR/stereo TRS jack, with the current selection indicated on the front panel. The gain setting for each input type can be individually set between +6dB and +68dB allowing for a wide range of microphone types and +48V phantom power is also available. Small talk level adjustments can be made quickly, using the front panel rotary control with a maximum adjustment range of ±12dB. This adjustment can be disabled if required to stop inadvertent changes. A level limiter automatically adjusts the microphone gain if the signal level exceeds a preset level, and the current talk level is indicated on the front panel when it exceeds 0dB and +8dB. A separate output on the rear panel provides a balanced, gain adjusted and level limited microphone signal on 3 pin XLR.

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