Lectrosonics DM84 8x4 Digital Automatic Matrix Mixer

OUR PART #: DM84 MFR #: DM84

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The DM84 is an 8-in, 4-out digital matrix processor with the capability to route any combination of inputs to any combination of outputs with extremely low throughput latency. ...Read more

Lectrosonics DM84 8x4 Digital Automatic Matrix Mixer Image 1
Lectrosonics DM84 8x4 Digital Automatic Matrix Mixer
Our Price: $2,544.41
List Price: $3,234.00
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Product Overview

The DM84 is an 8-in, 4-out digital matrix processor with the capability to route any combination of inputs to any combination of outputs with extremely low throughput latency. Automatic microphone mixing is accomplished via a patented Adaptive Proportional Gain algorithm. Sophisticated filtering is offered on each input and output. A compressor is available on each input, a compressor and limiter on each output. In addition, each input and output can be configured with a delay setting of up to 100 ms for inputs, 250 ms for outputs. The DM84 runs on the latest-generation DSP architecture and can be integrated as part of a larger system by connecting other DM units (like the DMTH4) via the Digital Audio Network Interface (DANI) bus.

The DM84 has enhanced expandibility - up to a limit of three, combining multiple DM84 units expands not only the number of the mic inputs, but also the number of distinct outputs/mix busses in the system. Stacking 2 units creates a 16x8 mixing matrix; stacking 3 units creates a 24x12 mixing matrix. While individual outputs/mix busses are normally treated as independent NOM busses for microphone mixing, the DM84's "phantom" mix mode capability allows multiple mix busses to be combined into a single NOM bus for mix-minus sound reinforcement applications.

The DM84 offers eight mic/line inputs with four mic/line outputs; switchable phantom power to handle condenser microphones; programmable front-panel control knobs for easy input and output gain adjustment; front panel indicators for input and output channel activity; and auto mic mixing with Proportional Gain and AutoSkew. The unit is AMX® and CRESTRON® compatible with USB and RS-232 interfaces for setup and control. Also, a programmable I/O interface allows control using contact closures or voltage levels as well as system status monitoring.

Features

  • 8-in/4-out digital matrix architecture
  • Stackable with enlarged matrix up to 24-in/12-out
  • Front panel level controls with activity LEDs
  • 6 filters plus compressor on each input
  • 9 filters plus compressor/limiter on each output
  • USB and RS-232 interfaces for setup and control
  • Fully balanced audio signal flow through entire system
  • Digital I/O ports for connection to other LecNet 2 devices
  • Proportional gain auto mixing algorithm with AutoSkew™ - US Patent 5,414,776
  • Simultaneous LecNet2 and Third-Party control

Specifications

  • Input Dynamic Range: 96 dB at -50 dBu input level 102 dB at all other levels (unweighted 20 - 20 kHz)
  • Output Dynamic Range: 105 dB (unweighted 20 - 20 kHz)
  • Power requirements: 100-240 VAC, 47-63 Hz
  • Power consumption: 15 Watts
  • Audio Inputs
    • Gain: -10 dB to +60 dB, programmable in 1 dB steps
    • Input impedance: 2.5 k Ohm
    • Phantom voltage: 15 V, programmable
    • Connector: 5-pin Phoenix
  • Audio Outputs - Floating balanced, either side can be grounded
    • Nominal level: 0 dBu all outputs, -40 dBu selectable on outputs 9 through 12
    • Output impedance: 450 Ohms differential programmable outputs at line level; 5 Ohm differential programmable outputs at microphone level
  • Audio Performance
    • IMD + noise: 0.1% max. 0.02% nominal input level
    • THD + noise: 0.1% (worst case) 0.02% nominal input level
    • EIN: -126 dBu
  • Connectors
    • Audio I/O: 5-pin Phoenix
    • Expansion: RJ45
    • Logic I/O: DB25
    • Serial: Standard USB and mini TRS
  • Digital Audio Network Interface (DANI)
    • Physical level: LVDS (Low Voltage DIfferential Signal)
    • Connector: Four RJ-45
    • Cable quality: Shielded CAT-5
    • Transmission speed: 50 Mbits/s
  • Programmable Control Inputs
    • Number of inputs: 11
    • Analog voltage range: 0-5V
    • Logic input: TTL, LVTTL, CMOS, LVCMOS
  • Programmable Control Outputs
    • Number of logic outputs: 8
    • Logic control: active low
    • Max sink current: 100 mA
    • Max supply voltage: 40 V
    • Supply voltage for control I/O: 5 V
    • Max current: 750 mA

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Product Documents

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