Audio Technica AT-DMM828 8Ch Digital Matrix Mixer

The AT-DMM828 SmartMixer® latest addition to Audio-Technica’s family of automatic mixers. This digital automatic 8 channel matrix mixer is designed to provide automatic mixing functions for installed sound, house of worship, broadcast and conference applications. Engineered with intuitive, easy-to-use software GUI, the AT-DMM828 automatically keeps the number of open microphones to a minimum, bringing background noise and feedback under control and providing increased clarity and audio quality.

Features:

• Eight balanced inputs allow use with both mic- and line-level signals
  • Each Input provides:
  • -Phantom power (48V), individually selectable
  • -Individual gain and volume controls
  • -Gate attenuation (adjustable)
  • -Low-cut filter (individually selectable via SmartMixer Software)
• RS232 and USB data ports provide a connection point for a PC with included SmartMixer Software
• Compatible with Crestron® and AMX® systems
• External control capability enables the SmartMixer to activate other devices
  • Force-On – allows an external contact closure to force its associated Input to turn on
  • Force-Off – allows an external contact closure to force its associated Input to turn off
  • VCA Control – Volume up/down
• Selectable NOMA (Number of Open Mics Attenuated) circuitry helps control feedback
• Priority pre-select feature allows priority of each microphone to be independently assigned
• Last Mic On selectable for continuous room ambiance
• Linking capability for 16 units (up to 128 channels)
• Equipped with eight balanced audio outputs to drive amplification systems or other equipment
• Detailed settings controlled through SmartMixer Software
• Mounts in a single 19" rack space via integral rack mount

Specifications:

• Input Impedance:
  • Mic Level: 6600 ohms
  • Line Level: 8500 ohms
• Output Impedance: Balanced: 200 ohms
• Maximum Input Level: -42 dBu (gain at Max)
• Maximum Output Level: 24 dBm (THD+N at 1%)
• Maximum Gain: 64 dB
• Frequency Response: 20 to 20K Hz (±3 dB)
• Equivalent Input Noise: -120 dBu*
• Microphone Phantom Power: +48V DC
• Control Voltage Out: 3.3V DC
• Power Supply: 100/240V AC (auto-select), 50/60 Hz, 20W
• Operating Temperature: 32° to 104° F (0° to 40° C)
• Dimensions:
  • 18.98" (482 mm) W x
  • 9.05" (230 mm) D
  • 1.75" (44 mm) H

  (not including feet, knobs and connectors)