Martin-audio DX2 数字处理器

The DX2 embraces the very latest advances in technology to meet the ever increasing demand and expectations placed on professional audio systems. Based on a completely new processing platform, running at 96kHz, the DX2 sets a new standard in terms of performance, flexibility and ease of use.

The DX2 is a comprehensive, 4 input 8 output, digital
loudspeaker management system, capable of being easily configured to meet the most demanding applications in both fixed installation and live touring environments.

FEATURES

4 input 8 output loudspeaker management

Analogue or AES digital inputs and outputs

Parametric, low and high shelf EQ

Bessel, Butterworth and Linkwitz-

Riley crossover filters

Gain, delay and limiter functions

Fully configurable routing matrix

RS485 interface

Audiocore compatibility

TECHNICAL SPECIFICATIONS

INPUTS：4 electronically balanced analogue plus industry standard AES/EBU digital via XLR connectors

IMPEDANCE ：> 10k ohms analogue

CMRR：>65dB 50Hz - 10kHz

OUTPUTS：8 electronically balanced analogue plus industry standard AES/EBU digital via XLR connectors

SOURCE IMP：<60 ohms analogue

MIN. LOAD：600 ohm analogue

MAX. LEVEL：+20dBm (+20dBu into 600 ohms)

FREQUENCY RESP.：20Hz - 20kHz ±0.5dB, -3dB @ 32 kHz

DYNAMIC RANGE：>116dB 20Hz -20kHz unweighted

DISTORTION：<0.02% @ 1kHz, +18dBm

MAXIMUM DELAY：650 ms

MIN STEP SIZE：0.3µS

INPUT GAIN：+6dB to -40dB in 0.1dB steps

OUTPUT GAIN：+15dB to -40dB in 0.1dB steps plus mute

PARAMETRIC EQUALISATION
FILTERS：8 per input / 9 per output
FILTER GAIN：+15dB to -30dB in 0.1dB steps
FREQUENCY RANGE：19.7Hz - 32kHz, 1/36 octave steps
FILTER Q / BW：0.4 to 128 / 2.5 to 0.008
               (Sections switched to shelving response)
LOW FREQUENCY：19.2Hz - 1kHz
HIGH FREQUENCY：1kHz - 32kHz
SHELF GAINS：±15dB in 0.1dB steps

HIGH AND LOWPASS FILTERS
FREQUENCY RANGE (HPF)：10Hz - 16kHz, 1/36 octave steps
FREQUENCY RANGE (LPF)：35Hz - 22kHz, 1/36 octave steps

RESPONSES
1ST ORDER：6dB/Oct
Bessel / Butterworth /Linkwitz-Riley：12, 24 and 48dB/Oct
Bessel / Butterworth：18dB/Oct

LIMITERS
THRESHOLD：+22dBu to -10dBu
ATTACK TIME：0.3 to 90 milliseconds
RELEASE TIME：2/4/8/16/32 x attack time
DISPLAY：2 x 24 character blue LCD
INPUT METER：2 x 4 point, -24dB to +4dB into limit
OUTPUT METER：8 x 4 point, -24dB to +4dB into limit

CONNECTORS
INPUTS：3 pin female XLR
OUTPUTS：3 pin male XLR
EXTERNAL：9 pin D-type connector (RS232)
RS485：3 pin male XLR (out) 3 pin female XLR (in)
POWER：3 pin IEC
POWER：60 to 250V ±15% @ 50/60Hz
CONSUMPTION：<30 watts
LATENCY：1.5ms (analogue in – analogue out @ 96kHz)
SIZE：(W) 482mm x (H) 44mm x (D) 305mm
      (W) 19ins x (H) 1.75ins (1U) x (D) 12ins
WEIGHT：3.5kg (7.7 lbs)