Specifications – TOA Electronics D-901 User Manual
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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