Audio-Technica AT-DMM828 SmartMixer - Eight-Channel Digital Matrix Mixer

Audio-Technica AT-DMM828 SmartMixer - Eight-Channel Digital Matrix Mixer

Audio-Technica AT-DMM828 SmartMixer - Eight-Channel Digital Matrix Mixer

B&H # AUATDMM828 MFR # AT-DMM828
Audio-Technica AT-DMM828 SmartMixer - Eight-Channel Digital Matrix Mixer

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Product Highlights

  • Eight Balanced Mic or Line Inputs
  • +48 VDC Phantom Power
  • Individual Gain and Volume Controls
  • Adjustable Gate Attenuation
  • SmartMixer PC Software Control via USB
  • Crestron and AMX Compatible
  • Select Number of Open Mics Attenuated
  • Link Up to 16 Units for 128 Channels
  • Eight Balanced Audio Outputs
  • Force On and Off With Contact Closures
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  • 1Description

The Audio-Technica AT-DMM828 SmartMixer is designed for automatic mixing within installed sound applications such as for houses of worship, broadcast companies, and conferencing. The 1 RU rackmountable mixer is controlled through a Windows software GUI and will automatically keep the number of open microphones being mixed down to a minimum to reduce background room noise and feedback.

The mixer features eight balanced inputs over phoenix connectors that can use either microphone or line level signals. Each input offers +48 VDC of individually selectable phantom power, individual gain and volume controls, adjustable gate attenuation, and an individually adjustable low-cut filter. The mixer can connect to a Windows PC via RS232 and USB data points for use with Audio-Technica's SmartMixer Software.

The system includes select-able Number of Open Mics Attenuated (NOMA) circuitry that helps control feedback and features a priority pre-select setting that lets the priority of each microphone be independently assigned. The last mic on can also be selected to maintain continuous room ambiance. The mixing software also enables the use of the device's external contact closures to force connected devices to turn on or off. A VCA control enables the volume to be adjusted up or down.

The mixer features eight balanced audio outputs on phoenix connectors to drive amplification systems and other equipment. The unit is compatible with both Crestron and AMX systems, and up to sixteen units can be linked together for a total of 128 channels.

SmartMixer Software
Enables control over automatic digital mixer using Windows PC connected via RS232 or USB
Linking Multiple Units
Enables up to sixteen units to be connected for a total of 128 channels
Contact Enclosures
Forces connected devices to turn on or off
Number of Open Mics Attenuated Circuitry
Helps control feedback
Selectable Last Mic On
Provides continuous room ambiance
Eight Balanced Audio Outputs
Drive amplification systems or other equipment
Rack Mount
Enables installation of mixer into a 19" rack
UPC: 042005182596
In the Box
Audio-Technica AT-DMM828 SmartMixer - Eight-Channel Digital Matrix Mixer
  • Power Cord
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    PC Requirements Windows
    I/O 8x balanced selectable microphone or line level audio inputs via Phoenix connectors
    8x balanced audio outputs via Phoenix connectors
    Computer I/O USB
    RS232
    Input Impedance Mic level: 6600 Ω
    Line level: 8500 Ω
    Output Impedance Balanced: 200 Ω
    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 20,000 Hz (± 3 dB)
    Equivalent Input Noise -120 dBu
    Phantom Power +48 VDC
    Control Voltage Out 3.3 VDC
    Power Supply 100/240 VAC auto select 50/60 Hz
    Power Requirements 20 W
    Operating Temperature 32 to 104° F (0 to 40° C)
    Dimensions (W x D x H) 18.98 x 9.05 x 1.75" (482 x 230 x 44.0 mm)
    Not including feet, knobs, and connectors
    Weight 5 lb 5 oz (2.4 kg)
    Packaging Info
    Package Weight 5.0 lb

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