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

BH #AUATDMM828 • MFR #AT-DMM828
Audio-Technica
Audio-Technica AT-DMM828 SmartMixer - Eight-Channel Digital Matrix Mixer
Key Features
  • Eight Balanced Mic or Line Inputs
  • +48 VDC Phantom Power
  • Individual Gain and Volume Controls
  • Adjustable Gate Attenuation
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.
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Audio-Technica AT-DMM828 Overview

  • 1Description
  • 2SmartMixer Software
  • 3Linking Multiple Units
  • 4Contact Enclosures
  • 5Number of Open Mics Attenuated Circuitry
  • 6Selectable Last Mic On
  • 7Eight Balanced Audio Outputs
  • 8Rack Mount

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

Audio-Technica AT-DMM828 Specs

PC RequirementsWindows
I/O8x balanced selectable microphone or line level audio inputs via Phoenix connectors
8x balanced audio outputs via Phoenix connectors
Computer I/OUSB
RS232
Input ImpedanceMic level: 6600 Ω
Line level: 8500 Ω
Output ImpedanceBalanced: 200 Ω
Maximum Input Level-42 dBU (gain at max)
Maximum Output Level24 dBm (THD+N at 1%)
Maximum Gain64 dB
Frequency Response20 to 20,000 Hz (± 3 dB)
Equivalent Input Noise-120 dBu
Phantom Power+48 VDC
Control Voltage Out3.3 VDC
Power Supply100/240 VAC auto select 50/60 Hz
Power Requirements20 W
Operating Temperature32 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
Weight5 lb 5 oz (2.4 kg)
Packaging Info
Package Weight5 lb
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