User manual Toa Electronics M-864D Digital Stereo Mixer M-864D CU

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

Gain Setting (settable for each channel) :

PAD ON gain min., +4 dB* (max. +24 dB*), 10 kOhms, electronically-balanced, gain max., −14 dB* (max. +6 dB*), 10 kOhms, electronically-balanced

PAD OFF gain min., −10 dB* (max. +10 dB*), 7 kOhms, electronically-balanced, gain max., −56 dB* (max. −36 dB*), 7 kOhms, 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* (max. +10 dB*), 10 kOhms, 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)

Feedback Suppressor (FBS): Feedback suppressor filter creation, 8 channels (each monaural input channel), settable independently on each channel

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, TREBLE, 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 x 4

Crosspoint Gain: −∞ to 0 dB in 1 dB steps

Automatic Mute: 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,  system lock function, stereo summing function, Control knobs (3 rotary encoders)

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

Auto Resonance Control (ARC) Measurement: ARC switch x 1, ARC operation indicator x 1

Feedback Suppressor (FBS) Function: Feedback Suppressor switch x 8, Feedback suppressor indicator x 8

Low Cut Filter: Low cut switch x 8, Low cut indicator x 8

Summing Output: Monaural summing switch x 2, Monaural summing indicator x 2

Tone Control: BASS, MID, TREBLE/Settable with control knobs, 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 with control knobs, 8 channels (each monaural input channel)

Stereo Input, Analog Setting: Trim setting, Settable with control knobs, 6 channels (1-A, 1-B, 1-C), (2-A, 2-B, 2-C)

REC OUT, Gain Setting Gain Setting: Settable with control knobs, 2 channels (REC OUT L, REC OUT R)

Preset Memory Switching: Preset memory key x 4, Preset memory indicator x 4

System Lock: System lock key x 1, System lock indicator x 1

Operation Status Indication: Operation status indicator x 3

Function Setting Section: Control knob x 3, 10-point position indication LED x 3, Tone control mode indicator x 1, Gain control mode indicator x 1, Trim control mode indicator x 1

Analog Volume Fader: Input volume fader x 10, Output volume fader x 4, 2 faders linkable with supplied gang bar

Contact Output: 8 channels, no-voltage make contact, contact capacity: 24 V DC/100 mA, removable terminal block (10 P)

Remote Control Panel: 2 channels

Maximum Number of Units: 8 units per channel 24 V DC input x 2, termination switch x 1, removable terminal block (10 P)

Maximum Total Cable Length (Star Wiring): 800 m or 870 yd (total for 2 channels)

Maximum Cable Length (Daisy Chain Wiring): 400 m or 435 yd 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 or 110 yd (between M-864D and switching hub)