104 dBr > 106 dBr Power supply   Type Universal range switch mode power supply with active PFC Rated mains voltage 100 - 240 V, 50 - 60 Hz Dimensions, weight   Dimensions (H x W x D) 2 RU x 19" x 460 mm Weight 10.8 kg Application information is presented for guidance only. d&b reserves the right to make any necessary changes to the products and the published specifications. As part of the ongoing development program d&b tries to maintain the highest degree of product compatibility."> d&b audiotechnik D20 | Adam a syn
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d&b audiotechnik D20

The 2 RU four channel D20 amplifier is ideally suited to mobile and installation applications which require low to medium Sound Pressure Level (SPL) capabilities. The D20 features the same Digital Signal Processing (DSP) platform as the latest generation of d&b amplifiers, containing configurations for all d&b loudspeakers except the J-Series and the M2 monitor, plus a linear mode.
The signal delay capability enables user definable settings of up to 10 s (= 3440 m/11286 ft), which can be applied independently to each channel. The same applies to the two 16-band equalizers, providing optional parametric, asymmetric, shelving or notch filtering.
The D20 incorporates a colour TFT touchscreen, offering quick access to the menu structure, while the rotary encoder can be used for fine adjustment. The front panel and the integrated touchscreen are tilted up for easy operation when the amplifier is below eye level.
The equal ratio of signal input to amplifier output channels increase...s application flexibility particularly for monitor, frontfill or effect channel use. The LoadMatch function integrated within the D20 amplifier electrically compensates for the properties of loudspeaker cable used.
The D20 incorporates Class D amplifiers utilizing a power supply with active Power Factor Correction (PFC) suitable for mains voltages 100 V - 240 V, 50 - 60 Hz and maintains a stable output when used with weak or unstable mains supplies. An NL8 provides all outputs on a single connector for loudspeaker multicores. Dual channel mode is driven through four individual NL4 connectors, while Mix TOP/SUB and 2-Way Active mode output configurations for applicable d&b loudspeakers are available via two central NL4 connectors. etherCON and RJ 45 connectors enable access to the d&b Remote network through OCA/AES70 via Ethernet and through CAN-Bus respectively.
Data
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
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 J-Series and M2 monitor) 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
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 AES 3
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
Power supply  
Type
Universal range switch mode power supply with active PFC
Rated mains voltage
100 - 240 V, 50 - 60 Hz
Dimensions, weight  
Dimensions (H x W x D)
2 RU x 19" x 460 mm
Weight
10.8 kg
Application information is presented for guidance only. d&b reserves the right to make any necessary changes to the products and the published specifications. As part of the ongoing development program d&b tries to maintain the highest degree of product compatibility.


VIAC

D20
Na objednávku

584590
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