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Digital Signal Processing

Equalizer

2 x 16-band PEQ/notch/shelving/asymmetric

Latency analog and digital inputs

0.3 msec.

Delay setting

0.3 - 10000 msec.

Configurations

current d&b loudspeakers (except SL-Series, J-Series, M2) and linear mode

Function switches

d&b loudspeaker specific circuits

Frequency generator

Pink noise or Sine wave

Sampling rate

96 kHz/27 Bit ADC/24 Bit DAC

Controls and indicators

POWER

Mains power switch

SCROLL/EDIT

Digital rotary encoder

Display

Colour TFT touchscreen, 3.5"/320 x 240 pixel

ISP, GR, OVL A/B

Colour TFT

Connectors

INPUT ANALOG (A1 - A4)

3 pin XLR female

ANALOG LINK (A1 - A4)

3 pin XLR male

INPUT DIGITAL (D1/2, D3/4)

3 pin XLR female AES3

DIGITAL LINK (Output)

3 pin XLR male

Sampling Digital AES/EBU

48 kHz/96 kHz

Speaker outputs A/B/C/D

NL4

Mix TOP/SUB / 2-Way Active output A/B and C/D

NL4

4 Channel output

NL8

CAN

2 x RJ 45 parallel

ETHERNET

2 x etherCON®, 10/100 Mbit Ethernet

Mains connector

powerCON®

Data (linear setting with subsonic filter)

Maximum output power per channel (THD+N < 0.5%, all channels driven)
CF = 6 dB at 4 / 8 ohms
CF = 12 dB at 4 / 8 ohms



4 x 1000/800 W
4 x 1600/800 W

S/N ratio (unweighted, RMS)
Analog input
Digital input


> 104 dBr
> 106 dBr

d&b Auditechnik D20 4-Channel Amplifier With DSP

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