| Power Source | |
| Power Consumption | 30 W |
| Frequency Response | 20 Hz - 20 kHz, ±1 dB |
| Sampling Frequency | 48 kHz |
| Dynamic Range | 100 dB or more (IHF - A weighted) |
| 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 (3 P)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) |
| Output | 4 channels, +4 dB* (max. +24 dB*), applicable load 600 ohms or more, electronically-balanced, removable terminal block (3 P), REC OUT (L, R): –10 dB* (max. +10 dB*), applicable load 1 kOhms or more, RCA jack, gain is adjustable |
| A/D Converter | 24-bit |
| D/A Converter | 24-bit |
| Presets | 16 |
| Signal Processing | Automatic Resonance Control (ARC): Automatic EQ curve creation by ARC, 4 channels (each output channel), settable independently on each channelFeedback 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) |
| Front Panel | 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 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 |
| Control Section | Contact Input: 8 channels, open voltage: 24 V DC, short-circuit current: 5 mA, removable terminal block (10 P)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) |
| Operating Temperature | 0 to 40 ºC (32 to 104 ºF) |
| Operating Humidity | 90 %RH (no condensation) |
| Finish | Panel: Aluminum, hairline, black, Case: Surface-treated steel plate |
| Dimensions | 19 x 6.97 x 6.19" (482.6 x 177.1 x 157.2 mm) |
| Weight | 11.24 lb (5.1 kg) |