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  Products >> Peripheral
 

    DP28



Function
96kHz sample frequency; 24-bit DSP processor; conversion of 32-bit A/D and D/A.
Multiple model choice of 2 input 6 output, 2 input 8 output, 4 input 6 output, 4 input 8 output etc. composes to various frequency division mode flexibly, which up to high and low frequency division spot from 20Hz to 20KHz.
Computer controls USB and RS485 interface. RS485 interface connects up to 250 pieces of machines, of which computer control distant in excess of 1500 meters.
Convenient, concise and intuitive of function set-up by function key and  puller sheave, or control by PC control software.
Memorizing of 30 types of users procedure.
Password set-up to lock panel control function, avoids mis-operation of non-operator destroying operating mode.
Each input and output has 6 segments of parameter equalization; of which gain adjustable range up to 20dB, as well as equalization of output channel.
Sloping pattern of Lo-shelf and Hi-shelf are optional.
Function set-up of 224 LCD blue back lighting display; precise digital level meter , mute and editing condition of 8 segments LED display of input\ output
Delay, phase control and mute set-up of each input and output, of which delay up to 1000ms. Ms, m and ft are optional as delay unit.
Output channel can control gain and voltage limit, choose channel signal and adjust all parameters synchronously of choosing multiple output channel simultaneously.
 

Technical Parameter

Mode

DP28

Input channel and socket

2 paths XLR female canon socket

Output channel and socket

8 paths XLR female canon socket

Input resistance balance

20K

Output resistance balance

100

PC interface

1 USB socket on panel, 2 RS485 sockets on back plate

common mode rejection ratio

>70dB(1KHz)

Input range

+25dBu

Frequency response

20Hz-20KHz(-0.5dB)

Signal to clutter ratio

>110dB

Distortion

<0.01% OUTPUT=0dBu/1KHz

Channel separation

>80dB(1KHz)

Input channel function

 

Input mute

Independent mute control of each channel

Input delay

Independent delay control of each input channel, of which ranges from 0 to 1000ms, 21us step of less than 10ms; 84us step of 10ms-20ms; 0.5ms step of more than 20ms.

Input polarity

In-phase(+); out-phase(-)

Input equalization

6 parameters equalization is optional for setup of each input channel. Parameters are adjustable to 20Hz-20KHz central frequency spot, total 239 frequency spots, 0.05/oct-3/oct bandwidth, 0.05/oct step; -20dB-+20dB gain, 0.1dB step, in the status of parameter.

Output channel function

Output mute

Independent mute control of each channel

Input choice

Various input channels are optional for each output channel, or disposable combination of input channels.

Output gain

Adjusting range-12dB-+12dB; step 0.1dB

Output delay

Independent delay control of each input channel, of which ranges from 0 to 1000ms, 21us step of less than 10ms; 84us step of 10ms-20ms; 0.5ms step of more than 20ms.

Output polarity

In-phase(+); out-phase(-)

Frequency divider set-up

LPF and HPF are optional for each output channel setup independently. Parameters are adjustable to: filter type: Linkwitz-Riley/Bessel/Butterworth; frequency turning point: 20Hz-20KHz; total 239 frequency spots; reduction slope: 12dB/oct, 18dB/oct, 24dB/oct, 48dB/oct

Limiter set-up

Limiter setup for each output channel independently, of which parameter is adjustable to: -20dBu-+20dBu threshold value, 0.5dBu step, 03ms-100ms start-up time: 0.1ms step on condition of less than 1ms, 1ms step on condition of more than 1ms. Start-up time can be set up to 2, 4, 6, 8, 16 and 32 times.

Output equalization

6 parameters equalization is optional for setup of each input channel, and Parameter/Lo-Shelf/Hi-Shelf is optional of equalization mode. Parameters are adjustable to 20Hz-20KHz central frequency spot, total 239 frequency spots, 0.05/oct-3/oct bandwidth, 0.05/oct step; -20dB-+20dB gain, 0.1dB step, in the status of parameter. 20Hz-20KHz central frequency spot, total 239 frequency spots, 6dB/12dB slope, -20dB-+20dB gain, 0.1dB step, in the status of Lo-Shelf and Hi-Shelf.

Processor

96kHz sample frequency; 24-bit DSP processor; conversion of 32-bit A/D and D/A.

Display

Function set-up of 224 LCD blue back lighting display; precise digital level meter , mute and editing condition of 8 segments LED display of input\ output

Power

20W

Power supply

AC 115V/230V 50Hz/60Hz

Size / transportation size

1PC:482*232*44/605*310*110(mm)

5PCS:620*325*630(mm)

Net weight / gross weight(kg)

1PC:4.1/5(kg) 5PCS:25(kg)

 

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