DP44/DP48
Introduction:

DP44 is a high-end 4 in 4 out audio processor. 4 input level indicators comprise 5 level, 1 clip and 1 limit; 4 output level indicators comprise 5 level, 1 clip and 1 limit. This processor includes 24bit AD/DA converter that features 4 analog input, 1 stereo input and 4 analog output. The powerful M716 DSP manages analog output and can run as high as 96kHz process. This processor supports 2 different full matrix mixing modes: 1) input channel can mix output channel at any ratio; 2) each output channel can mix other output channel at any ratio.


DP48 is a cost effective 4 in 8 out digital audio processor, suitable for live show, fixed installation and many other applications. 4 analog input and 8 analog output are processed by the powerful M716 DSP. Besides the high performance 24bit AD/DA converter, each channel features 30-band PEQ, gain control, RMS limiter and adjustable delay. Each output provides maximum 7-band PEQ whose slope ranges from 6dB/Octave to 48dB/Octave. Each output can select peak compressor and adjustable delay. In addition, high and low pass filter is also available. 


Application:
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Features
Specification

DP44
Analog input24 x XLR bal
Analog output4 x XLR bal
Min load150 ohm
THD+N0.001% at 1kHz 0dBu
S/N>110dBA
Frequency response20Hz - 20kHz;-0.5dBu at 20Hz and 20kHz
AD/DA converter1×AK5388 24bit,2×AK4396 24bit-96kHz
DSPM716, 24x32bit filter processing, 54bit accumulator register, 96bit precision intermediate data calculation
PEQ13-band EQ input; 11-band EQ output
Filter typeEach equalising filter can be set as Bell, Shelving, high/low pass, band pass, notch or all pass filter
Filter gain -15dBu~+15dBu, step: 0.5dBu 
Center frequency1Hz per step adjusting within 20Hz~20kHz
Q value/band widthBell filter: 0.4~128, step: 100; Shelving/high/low pass filter:0.1~5.1, step:100; band pass/all pass/notch filter: 4~104, step:100
High/low pass filterButterworth slope: 6/12/18/24/36/48dB per octave; Bessel slope: 12/24dB per octave; Linkwitz-Riley slope: 12/24/36/48dB per octave
RMS limiterThreshold: 20dBu~-10dBu; adjustable ratio: 2:1~32:1; knee: 0~100%

Fill: -12dBu~+12dBu; control start time: 5ms~200ms; release time: 0.1s~3s
Delay400ms, step: 21us




DP48
Analog input4 x XLR bal
Analog output8 x XLR bal
Min load150 ohm
THD+N0.001% at 1kHz 0dBu
S/N>110dBA
Frequency response20Hz - 20kHz;-0.5dBu at 20Hz and 20kHz
AD/DA converterCS42528 24bit -48kHz
DSPM716, 24x32bit filter processing, 96bit precision intermediate data calculation
PEQ30 filters for input; 7 filters for output
Filter typeBell, high/low Shelving, high/low pass, band pass, notch or all pass filter as optional
Filter gain-15dBu~+15dBu, step: 0.5dBu 
Input&output gain-18dB~+12dB, step: 0.1dBu
Center frequency1Hz per step adjusting within 20Hz~20kHz
Q value/band widthShelving/high/low pass filter: 0.1~5.1; Bell filter: 0.4~128

Band pass/all pass/notch filter: 4~104
High/low pass filterButterworth slope: 6/12/18/24dB per octave; Bessel slope: 12/24/48dB per octave; Linkwitz-Riley slope: 12/24/48dB per octave
Noise gateThreshold: -80dBu~-50dBu; control start time: 1ms~1,000ms; release time: 10ms~1,000ms
RMS limiterThreshold: -14dBu~+16dBu; bypass adjustable ratio: 2:1~32:1; knee: 0~100%; fill: -12dBu~+12dBu; control

 start time: 5ms~200ms; release time: 0.1s~3s
Peak compressorThreshold: -14dBu~+16dBu; bypass control start time: 1ms~900ms; release time: 0.1s~5s
Input/output channel polarityPositive (0°)/negative (180°) as optional
Input/output channel mutingON/OFF
DelayMax 420.998ms delay for each input; max 128.998ms delay for each output


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