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20. SPECIFICATIONS
20.1. D-901 Digital Mixer
Power Source 100 – 120 V, 230 V AC, 50/60 Hz
Power Consumption 40 W
Frequency Response 20 – 20,000 Hz, ±1 dB (±4 dB* input)
Input Max. 12 channels, modular construction (modules optional)
Output Max. 8 channels, modular construction (modules optional)
Feedback Suppression 12 filters (auto/dynamic)
Function
Auto Mixing Function Ducker (auto muting), NOM attenuation
Auto Mixing Group 4 groups
Equalizer/Filter Parametric equalizer: 20 – 20,000 Hz, ±15 dB, Q: 0.267 – 69.249
Filtering: High-pass filter 20 – 20,000 Hz, 6 dB/oct, 12 dB/oct
Low pass filter 20 – 20,000 Hz, 6 dB/oct, 12 dB/oct
Notch filter 20 – 20,000 Hz, Q: 8.651 – 69.249
All-pass filter 20 – 20,000 Hz, Q: 0.267 – 69.249
High shelving filter 6 – 20,000 Hz, ±15 dB
Low shelving filter 20 – 500 Hz, ±15 dB
Horn equalizer 20 kHz, 0 to +18 dB (1 dB steps)
Crossover filter: 20 – 20,000 Hz, 6 dB/oct, 12 dB/oct, 18 dB/oct, 24 dB/oct
Compressor (Compressor mode)
/Auto-Leveler Threshold: –20 to +20 dB (1 dB steps)
Ratio: 1:1, 2:1, 3:1, 4:1, 8:1, 12:1, 20:1, ∞:1
Attack time: 0.2 ms – 5 s
Release time: 10 ms – 5 s
Gain: –∞ to +10 dB
(Auto-leveler mode)
Target level: –20 to +20 dB (1 dB steps)
Maximum gain: 0 to +20 dB (1 dB steps)
Attack time: 10 ms – 10 s
Release time: 100 ms – 10 s
Delay Delay time: 0 – 682.6 ms (0.021 ms steps)
Matrix 12 x 8
Crosspoint Gain –∞ to 0 dB (1 dB steps)
Preset Memory 16
Auxiliary Function Protect function
Control RS-232C, D-sub connector (9 pins), Remote control module (option)
Front Panel Section Preset memory selector key: 8
LCD screen, screen shift key (up/down/left/right), setting knob
Input level indicator: Dual color LED
Output level indicator: Dual color LED
Channel selector key: 12 (input channel selection)
8 (output channel selection)
Channel volume control: 1 (input channel selection)
1 (output channel selection)
Rear Panel Input module slot: 6 (input/output module slot: 2)
Output module slot: 2
Remote control module slot: 1
Operating Temperature +5 to +40 °C
Finish Panel: Aluminum, hair-line finish, black
Others: Pre-coated steel plate, black (30% glossy)
Dimensions 482.6 (w) x 132.6 (h) x 320 (d) mm (excluding projection)
Weight 6.9 kg
Signal Processing
* 0 dB = 0.775 V
Note: The design and specifications are subject to change without notice for improvement.
• Accessories
AC power cord (2 m) ............................................. 1
Rack mounting screw (5 x 12) ............................... 4
Fiber washer for M5 ............................................... 4
Rack mounting bracket (preinstalled on the unit) .. 2
Module mounting screw (spare) ............................ 4
Blank panel (preinstalled on the module slot) ........ 9