TOA M-864D
Rack Mount Digital Mixer

OUR PART #:  M864D

The M-864D digital stereo mixer maintains the basic functionality and operability of its predecessor, the M-633D, but adds such versatile features as analog-feel fader operation...
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List Price: $3,573.00
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TOA M-864D
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The M-864D digital stereo mixer maintains the basic functionality and operability of its predecessor, the M-633D, but adds such versatile features as analog-feel fader operation, 8 monaural and 7 stereo input channels, remote controller operation and fine-tuning of settings with GUI software. For use in hotel banquet rooms, multipurpose halls and other facilities that host events of various types.

Optimal sound control features

  • Automatic Resonance Control (ARC) measurement and processing algorithm that optimizes speechand sound clarity for individual acoustic environments
  • Feedback Suppressor (FBS) function that eliminates feedback caused by carrying the microphone from place to place
  • Automatic stereo input mute (Auto Mute or Ducker) function that mutes stereo input automatically when detecting a monaural control signal

Easy, convenient operation functions

  • Analog-feel fine-tuning by slider control
  • Front-mounted stereo input allowing connection of digital audio player
  • Preset memory enabling operators to store user-specified settings in response to specific needs
  • Interconnection of up to five M-864D units in preset memory system via LAN
  • Optional remote control panels (ZM-9011/9012/9013/9014) permit convenient remote operation and featuring an assign function supporting assignment of such settings as volume control, channel ON/OFF, matrix switching and preset memory recall to specified buttons

Response to exacting user requirements

  • Dedicated GUI software facilitating higher-precision parameter setting adjustment on PC via Ethernet LAN

Flexible configuration choices

  • Stand-alone installation (4U rack-mountable)
  • Finer speaker setting possible when used in combination with optional Digital Speaker Processor DP-SP3


  • Frequency Response: 20Hz – 20kHz
  • Sampling Frequency: 48kHz
  • Dynamic Range: 100dB or more (IHF-A weighted)
  • Distortion: 0.03% or less, 1kHz, +4dB* input/output, 20Hz – 20kHz BPF
  • Crosstalk: -80dB or less, 1kHz
  • Input
    • 8 monaural input channels, removable terminal block (3P)
      • Phantom power (+24V DC, 10mA, ON/OFF switchable for each channel)
      • Gain setting (settable for each channel)
    • 7 stereo input (L, R) channels (1-A, 1-B, 1-C, 2-A, 2-B, 2-C, front mounted input)
      • RCA jack (stereo mini jack provided on the front panel)
      • : -10dB* (max. +10dB*), 10k
      • Trim gain for each individual channel: - to 0dB (except front mounted input)
  • Output:
    • 4 output channels, +4dB* (max. +24dB*), applicable load 600 or more, electronically-balanced, removable terminal block (3P)
    • 1 recording output (L, R) channel: -10dB* (max. +10dB*), applicable load
    • 1k or more, RCA jack
    • Gain is adjustable
  • Contact Input: 8 channels, open voltage: 24V DC, short-circuit current: 5mA, removable terminal block (10P)
  • Contact Output: 8 channels, no-voltage make contact, contactcapacity: 24V DC/100mA, removable terminal block (10P)
  • Remote Control Panel:
    • 2 channels, Maximum number of units: 8 units per channel
    • 24V DC input x 2, termination ON/OFF switch x 1, removable terminal block (10P)
    • Type of cable: Shielded CPEV cable (a pair of data cable and a pair of power supply cable) or shielded Cat 5 twisted pair cable for LAN (CAT5-STP)
  • Network:
    • Network I/F: 1 channel of 10BASE-TX (auto-negotiation),
      • RJ45 connector, connection via switching hub
    • Network protocol: TCP/IP
    • Connection cable: Shielded Cat. 5 or higher twisted pair cable for LAN (CAT5-STP or better)
    • Maximum cable length: 100m (between M-864D and switching hub)
  • Preset Memory 16
  • Signal Processing
    • Automatic Resonance Control (ARC) Function
    • Feedback Suppressor Function
    • Filter: 8 channels (each monaural input channel), high-pass filter: 20Hz – 20kHz
    • Tone Controller: BASS, MID, TREBLE
    • Paranetric Equalizer: 20Hz – 20kHz, 15dB, 4 channels (each output channel)
    • Matrix: 12 x 4
    • Crosspoint Gain: - to 0dB in 1dB steps
    • Auto Mute Function
  • Function: Input PAD control, Low cut control, Analog output attenuator control, front panel operation lock function, stereo summing function, function setting panel
  • Front Panel Section:
    • Input level indicator
    • Output level indicator
    • ARC measuring start switch: ON/OFF switch
    • Feedback Suppressor (FBS) function: ON/OFF switch
    • Low cut: ON/OFF switch, stereo summing: ON/OFF switch
    • Tone control: BASS/MID/TRWBLE, monaural input
    • Analog stting: gin setting, PAD ON/OFF, pantom power ON/OFF
    • Stereo input, analog setting: trim setting, REC OUT gain setting, preset memory switch, front panel operation lock switch, operation status indication, analog volume fader
  • Optional: Remote control panel: ZM-9011/9012/9013/9014, AC adapter: AD-246

Personal Computer Requirements

  • Requirements CPU: Pentium 4, 2GHz or faster/ Memory: 1.5GB or more (2GB recommended)
  • Display: 1024 x 768 resolution or higher
  • Free hard Disk Space: 16MB or more. however 600MB or more is required for the 32-bit version or 1.5GB or more for the 64-bit version when "NET Framework" is not yet installed
  • Optical Driver: CD-ROM drive, Network Adapter: 10BASE-T or faster connection
  • OS: Windows XP SP3 or later, Windows Vista (32/64-it) SP1 or later, Windows 7 (32/64-it edition)
  • Required Component: NET Framework 4 Client Profile

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