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M-864D CE   Digital Stereo Mixer 22 input

The M-864D is a 4U rack mountable Digital stereo mixer having 22 input channels including 8 monaural input channels and 7 stereo input channels, 6 output channels including 4 monaural output channels and 1 stereo recording output channel, and 4 bus channels. It is equipped with digital signal processing functions such as Automatic resonance control function (ARC(*1)), Feedback suppressor function (FBS), Automatic stereo input mute function (AUTO MUTE or Ducker), and Equalizer. Advanced acoustic compensation can be automatically performed without using an acoustic measuring instrument. Furnished with various function setting buttons and 14 analog volume faders, the M-864D can be operated without need for use of a PC. However, it can also be operated by connecting the PC or optional Remote control panel. It can be mounted in an EIA component rack (4U size). (*1) Automatic Resonance Control function automatically creates the filter curve to improve sound clarity by measuring the acoustic characteristics inherent in architectural space.

Power Source 220-240 V AC, 50/60 Hz

Power Consumption 30 W

Frequency Response 20 Hz – 20 kHz, ±1 dB

Sampling Frequency 48 kHz

Dynamic Range 100 dB or more

Distortion 0.03 % or less, 1 kHz, +4 dB(*2) input/output, 20 Hz – 20 kHz BPF

Crosstalk -80 dB or less, 1 kHz

Input Monaural input, 8 channels, removable terminal block (3P)

Phantom power (+24 V DC, 10 mA, ON/OFF switchable for each channel)

Gain setting (settable for each channel)

:PAD ON Gain min., +4 dB(*2) (max. +24 dB(*2)), 10 kΩ, electronically-balanced

Gain max., -14 dB(*2) (max. +6 dB(*2)), 10 kΩ, electronically-balanced

:PAD OFF Gain min., -10 dB(*2) (max. +10 dB(*2)), 7 kΩ, electronically-balanced

Gain max., -56 dB(*2) (max. -36 dB(*2)), 7 kΩ, electronically-balanced

Stereo Input (L, R), 7 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)

: -10 dB(*2) (max. +10 dB(*2)), 10 kΩ

” Trim gain for each individual channel: – to 0 dB (except front-mounted input)

※ 1-A (L), 1-B (L), and 1-C (L) are mixed after passing through each trim gain circuit

(the same applies to R channel)

※ 2-A (L), 2-B (L), and 2-C (L) are mixed with front-mounted input after passing

” through each trim gain circuit (the same applies to R channel)

Output Output, 4 channels, +4 dB(*2) (max. +24 dB(*2)), applicable load 600 Ω or more,

electronically-balanced, removable terminal block (3P)

REC OUT (L, R): -10 dB(*2) (max. +10 dB(*2)), applicable load 1 kΩ or more, RCA jack

Gain is adjustable.

AD Converter 24 bits

DA Converter 24 bits

Preset Memory 16

Signal Processing Section

Automatic Resonance Control (ARC) Function Automatic EQ curve creation by ARC, 4 channels (each output channel),

settable independently on each channel,

ARC measuring start switch ×1, ON/OFF LED ×1

Feedback Suppressor Function Feedback suppressor filter creation, 8 channels (each monaural input channel),

settable independently on each channel,

ON/OFF switch ×8, ON/OFF LED ×8

Filter 8 channels (each monaural input channel), settable independently on each channel,

high-pass filter: 20 Hz – 20 kHz

Tone Controller BASS, Low-shelving filter: 20 – 500 Hz, ±15 dB

MID, parametric equalizer: 20 Hz – 20 kHz, ±15 dB

Q: 0.267 – 69.249

TREABLE, high-shelving filter: 6 – 20 kHz, ±15 dB

10 channels (each monaural input channel, each stereo mixing input channel),

settable independently on each channel

Equalizer Parametric equalizer: 20 Hz – 20 kHz, ±15 dB, Q: 0.267 – 69.249

4 channels (each output channel)

Matrix 12×4

Crosspoint Gain – to 0 dB in 1 dB steps

Automatic Mute Function Stereo input section matrix, independent control

Function Input PAD (-16 dB) control, low cut (cutoff frequency: 100 Hz) control,

analog output attenuator (-6 dB, -12 dB, -18 dB, -24 dB, -36 dB, -42 dB) control,

front panel operation lock function, stereo summing function,

function setting panel (3 rotary encoders)

Front Panel Section

Input Level Indicator 3-point LED, 12 channels (each monaural input channel, stereo 1L, 1R, 2L, 2R)

Output Level Indicator 8-point LED, 4 channels (each output channel)

Auto Resonance Control (ARC) Measurement ARC measuring start switch ×1, ON/OFF LED ×1

Feedback Suppressor (FBS) Function ON/OFF switch ×8, ON/OFF LED ×8

Low Cut ON/OFF switch ×8, ON/OFF LED ×8

Stereo Summing ON/OFF switch ×2, ON/OFF LED ×2

Tone Control BASS, MID, TREBLE/Settable on the function setting panel, 10 channels

(each monaural input channel, stereo 1L, 1R, 2L, 2R)

Monaural Input, Analog Setting Gain setting, PAD ON/OFF, Phantom power ON/OFF

Settable on the function setting panel, 8 channels (each monaural input channel)

Stereo Input, Analog Setting Trim setting

Settable on the function setting panel, 6 channels (1-A, 1-B, 1-C), (2-A, 2-B, 2-C)

REC OUT, Gain Setting Gain setting

Settable on the function setting panel, 2 channels (REC OUT L, REC OUT R)

Preset Memory Switching Preset selection switch ×4, ON/OFF LED ×4

Front Panel Operation Lock Operation lock switch ×1, ON/OFF LED ×1

Operation Status Indication Operation status LED ×3

Function Setting Panel Rotary encoder ×3, 10-point position indication LED ×3, Function mode LED ×3

Analog Volume Fader Input volume fader ×10, Output volume fader ×4,

2 faders linkable with supplied gang bar

Control Section

Contact Input 8 channels, open voltage: 24 V DC, short-circuit current: 5 mA,

removable terminal block (10P),

Contact output 8 channels, no-voltage make contact, contact capacity: 24 V DC/100 mA,

removable terminal block (10P),

Remote Control Panel 2 channels, Maximum number of units: 8 units per channel

24 V DC input ×2, termination ON/OFF switch ×1, removable terminal block (10P)

Maximum total cable length (star wiring): 800 m (total for 2 channels)

Maximum cable length (daisy chain wiring): 400 m per channel

Note: In daisy chain wiring, the number of units differs depending on the cable length.

Star wiring and daisy chain wiring cannot be used together.

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-T/100BASE-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

(Cat. 5-STP or better)

Maximum cable length: 100 m (between M-864D and switching hub)

Operating Temperature 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)

Operating Humidity 90 %RH (no condensation)

Finish Panel: Aluminum, hairline, black, Case: Surface-treated steel plate

Dimensions 482.6 (W) × 177.1 (H) × 157.2 (D) mm (19 × 6.97″ × 6.19″)”

Weight 5.1 kg (11.24 lb)

Accessories Power supply cord (2 m (6.56 ft)) ×1, removable terminal plug (3P) ×12,

large type removable terminal plug (10P) ×2, small type removable terminal plug (10P) ×1,

fader gang bar ×4, protective cover ×1, rack mounting screw ×4,

CD-ROM (containing setup software) ×1

Option Remote control panel: ZM-9011/9012/9013/9014

AC adapter: AD-246(*3)(When using the Remote Control Panel)

(*3) Consult your TOA dealer when using an equivalent adapter

Personal Computer Requirements

Requirements CPU: Pentium 4, 2 GHz or faster

Memory: 1.5 GB or more (2 GB recommended)

Display: 1024 × 768 resolution or higher

Free Hard Disk Space: 16 MB or more, however 600 MB or more is required for the 32-bit

version or 1.5 GB or more for the 64-bit version when

“.NET Framework“ is not yet installed

Optical Drive:CD-ROM drive, Network Adapter:10BASE-T or faster connection

OS Windows 7 (32/64-bit edition)

Windows 10 Pro (32/64-bit edition)

Required Component .NET Framework 4 Client Profile

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