DX8 SPECIFICATIONS

INPUTS / OUTPUTS

Inputs 1-8:

Balanced, Phoenix-type terminals

Bus A and B:

Balanced, Phoenix-type terminals, Direct to

 

Mix Buses

 

Master Outputs:

Balanced, Phoenix-type terminals

Record Outputs A/B:

Unbalanced, RCA

 

Direct Outputs 1-8:

Unbalanced on DB15

 

(bottom row is signal return)

Logic Inputs:

10 Inputs on DB25

 

Series resistance: 570

 

Internal pull-up:

47kto +5V DC

 

Input voltage:

+5.5V DC maximum

 

Active voltage:

+1.0V DC maximum

Logic Outputs:

10 open-collector Outputs on DB25

 

Series resistance: 550

 

Internal pull-up:

10kto +5V DC

 

Active current:

10mA maximum

 

Active voltage:

+0.8V DC max @ 1mA

Serial Ports:

2 RS-232C on DB9 (COMM PORTS)

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

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/peaking EQ

 

Gain: ±15 dB

 

Frequency:

 

LO Shelving: 20Hz-500Hz variable

 

MID Peaking: 20Hz-20kHz variable

 

HI Shelving: 500Hz-20kHz variable

 

Automatic Level Control (ALC)

 

Range: 0 dB to –20 dB

 

Automix

 

NOM On/Off

 

Gate Attenuation Depth: 0 dB to –60 dB

 

Gate Release Time: 0.5 s or 1.5 s

Outputs:

Automatic Level Control (ALC) on each Output

 

Range: 0 dB to –20 dB

 

Automix MAX NOM: 1-8

 

Automix Last Mic On: None, Last, Input 1

 

2-band shelving EQ on each Output

 

Gain: ±15 dB

 

Corner Frequency:

 

LO: 20Hz-500Hz variable

 

HI: 500Hz-20kHz variable

 

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, 1k,

 

1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k,

 

6.3k, 8k, 10k, 12.5k, 16k, 20k

 

5-Band Parametric EQ on each Output

 

Gain: ±15 dB

 

Center Frequency:

 

20Hz-20kHz variable

 

Bandwidth: 0.1 octave to 6 octaves

 

Compressor/Limiter on each 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

AUDIO

Noise

(20Hz-20kHz bandwidth, Master Out, channel Trims @ unity gain, channel EQs flat, all odd channels panned left, even channels panned right):

Master level @ unity, channel levels @ unity: –82 dBu

Single channel to Master Out:–100 dBu (referenced to 1% THD+N)

Total Harmonic Distortion (THD+N)

(1kHz @ +10 dBu (unity level) 20Hz-20kHz):

Mic in to Master Out:

< 0.005%

DX8 – 31

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Image 31
EAW instruction manual DX8 Specifications, Inputs / Outputs