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Audio Technica SmartMixer AT-MX381 User Manual
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Audio Technica SmartMixer AT-MX381 User Manual

Audio Technica SmartMixer AT-MX381 User Manual

8 channel automatic mixer
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Download this manual See also: Operation & Installation Manual
AT-MX381 SmartMixer
®
8 Channel Automatic Mixer

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Summary of Contents for Audio Technica SmartMixer AT-MX381

  • Page 1 AT-MX381 SmartMixer ® 8 Channel Automatic Mixer...

  • Page 3: Installation Place

    8 Channel Automatic Mixer Installation and Operation Warning To prevent fire or shock hazard, do not expose the unit to rain or moisture. To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only. Caution CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,...
  • Page 4 All audio connections terminate in block screw con- nectors. Up to 16 AT-MX381 SmartMixers (a total of 128 channels) can be daisy-chained via the included Link Cable, which carries control bus, audio, and configuration data between mixers. Multiple mixers linked in this way will operate as if they were a single mixer.
  • Page 5 Turn clockwise to increase threshold; counterclockwise to decrease threshold. Manual/Auto Mode Indicator This LED lights green when AT-MX381 is in automatic mode; it lights red when the mixer is in manual mode; it blinks when the mixer is locked (Key- Lock on).
  • Page 6 Output Level Indicator (Pre/Post Master) Lock Mode (Control Lockout) Out of the box, the AT-MX381 comes configured for most common applica- tions. Here are some basic SmartMixer setup tips to help quickly get up and running: (Items in brackets [ ] refer to control locations on the diagram.) Note an audio line level source may be substituted for any “microphone”.

  • Page 7: Preamplifier Gain

    (opened), the increased system gain can be a potential source of feedback. The NOMA system helps control feedback by compensating for the increase in system gain. A built-in matrix in the AT-MX381 recognizes how many micro- phones are “on” and automatically adjusts the system gain accordingly.
  • Page 8 When more than eight microphones are needed, it is possible to daisy chain multiple AT-MX381 SmartMixers together through the Link In/Out connectors on their back panels (Fig. 2). Each AT-MX381 is supplied with a Link Cable that carries control bus, audio, and configuration data between mixers. When linked, all microphones in a multi-mixer system can be controlled by one microphone connected to any mixer.
  • Page 9 “open disclosure communications protocol”. Refer to information from control system manufacturer regarding using this feature. In a system with multiple linked AT-MX381’s, connect the PC or control system to the first (Master) unit in the chain. This will allow access to all of the linked units for configuration and control programming.
  • Page 10 Figure 1 - AT-MX381 Front Panel - Control Layout ① ② Input Input Input Input Input Input P48/ P48 / P48 / GATE GATE GATE AT T. T. ATT. T. ATT. T. LEVEL GAIN LEVEL GAIN LEVEL GAIN ③ ④...