DX810 – 30
DX810 Specifications
INPUTS / OUTPUTS
Inputs 1-8: Balanced, Phoenix-type terminals
Bus A and B: Balanced, Phoenix-type terminals, Direct to
Mix Buses
Outputs A-J: Balanced, Phoenix-type terminals
Record Outputs A/B: Unbalanced, RCA
Direct Outputs 1-10: Unbalanced on DB15
(bottom row is signal return)
Logic Inputs: 10 Inputs on DB25
Series resistance:570Ω
Internal pull-up: 47 kΩ to +5 VDC
Input voltage: +5.5 VDC maximum
Active voltage: +1.0 VDC maximum
Logic Outputs: 10 open-collector Outputs on DB25
Series resistance:550 Ω
Internal pull-up: 10 kΩ to +5 VDC
Active current: 10 mA maximum
Active voltage: +0.8 VDC max @ 1 mA
Serial Ports: 2 RS-232C on DB9 (COMM PORTS)
PANEL CONTROLS
Input Trim: 8 Rotary Potentiometers
Input Gain: 2 Pushbuttons per Input
EQ: 2 Pushbuttons for Low, 2 for High
Master Output Gain: 2 Pushbuttons per Output
Mode Select: 1 Pushbutton
Power: Rocker Switch
Phantom Power Select: 8 DIP Switches
PANEL INDICATORS
Input Levels: 12-segment LEDs per ch.
Output EQ Levels: 12-segment LEDs per ch.
Mode Status: 3 LEDs; A/B/LOCK
Output Levels: 12-segment LEDs per ch.
Volume Setting: 12-segment LED Bar Graph
LED METER VALUES
1. Red (scale: OL): > –2 dB full-scale (> 16 dBu)
2. Yellow (scale: 2): > –4 dB full-scale (> 14 dBu)
3. Yellow (scale: 4): > –7 dB full-scale (> 11 dBu)
4. Yellow (scale: 7): > –10 dB full-scale (> 8 dBu)
5. Green (scale: 10): > –15 dB full-scale (> 3 dBu)
6. Green (scale: 15): > –20 dB full-scale (> –2 dBu)
7. Green (scale: 20): > –25 dB full-scale (> –7 dBu)
8. Green (scale: 25): > –30 dB full-scale (> –12 dBu)
9. Green (scale: 30): > –35 dB full-scale (> –17 dBu)
10. Green (scale: 35): > –40 dB full-scale (> –22 dBu)
11. Green (scale: 40): > –50 dB full-scale (> –32 dBu)
12. Green (scale: 50): > –60 dB full-scale (> –42 dBu)
SIGNAL PROCESSING
General: Five 32-bit floating-point DSPs
24-bit A/D and D/A converters
512Kx16 Flash ROM
128Kx32 SRAM (with battery backup)
Inputs: 3-band shelving EQ with parametric mid
Gain: ±15 dB
Corner Frequency:
LO: 20 Hz-500 Hz variable
HI: 500 Hz-20 kHz variable
Center Frequency:
MID: 20 Hz-20 kHz variable
Gate on each Input
Threshold: –60 dBFS to –1 dBFS
Hold: 0 ms to 2500 ms
Release: 10 ms to 2500 ms
Range: –100 dB to –1 dB
Outputs: Delay on each Output
Temp: –40ºF to 122ºF
(40ºC to 50ºC)
Coarse: 0 ms to 200 ms
Fine: 0 µs to 997 µs
Crossover
Polarity: 0º, 180º
Filter Type: High-Pass, Low-Pass,
Band-Pass
Alignment: Linkwitz-Riley,
Butterworth, Bessel
Filter Slope: 12 dB/oct, 18 dB/oct,
24 dB/oct (Butterworth only)
Frequency: 20 Hz-20 kHz
1/3-Octave Graphic EQ on each Output
Gain: ±15 dB
ISO-Centered Frequencies: 20, 25,
31.5, 40, 50, 63, 80, 100, 125, 160,
200, 250, 315, 400, 500, 630, 800, 1 k,
1.25 k, 1.6 k, 2 k, 2.5 k, 3.15 k, 4 k,
5 k, 6.3 k, 8 k, 10 k, 12.5 k, 16 k, 20 k
8-Band Parametric EQ on each Output
Gain: ±15 dB
Center Frequency:
20 Hz-20 kHz variable
Bandwidth: 0.1 octave to 6 octaves
Compressor/Limiter on each Input and Output
Threshold: –60.0 dB to –1.0 dB
Attack: 1 ms to 2500 ms
Release: 10 ms to 2500 ms
Ratio: 1:1 to 20:1
Output: 0 dB to +20.0 dB