Paulkitson DAP4008 4In 8Out Professional Processor Digital 32Bit DSP 13Band EQ Equalizer with FIR audio equipment effects

DPA-4008R Product introduction:

This device is a high-performance digital audio processor. The highest sampling rate is supported to 96KHz, and the audio is collected and processed by a 24-bit AD/DA analog-to-digital/digital-analog conversion chip and a high-speed processing DSP chip. Supports up to 4 analog or AES/EBU inputs and 8 analog outputs. Each input and output channel supports 13-band parametric EQ, additionally equipped with high and low pass filters, signal generator, noise gate, gain control, input compression, output limiter, scene preset and adjustable up to 2000ms per channel Delay and other powerful functions, equipped with 100M dual network ports, RS-232 can realize rapid configuration and debugging, and support cascading between multiple devices. Carry out a series of optimization and adjustment for high-quality sound reinforcement system.

Features:

● 32-bit DSP chip processing, the highest sampling rate supports up to 96KHz, 24bit AD/DA conversion;
● The input processing part includes: signal generator, noise gate, support 13-band equalization (including all-pass filter),high and low filter
Wave filter, gain control, mute, phase, 2000ms adjustable delay, linkage adjustment and other processing functions;
● The output processing part includes: 13-band equalization (including all-pass filter),high and low cut filter, gain control, mute, phase
Bit, 2000ms adjustable delay, linkage adjustment and other processing functions;
● All inputs and outputs can be freely assigned by matrix, and the name of each input and output channel can be changed;
● All input and output channels have independent phase curve adjustment function;
● All input and output channels have high and low pass filters, and the type of crossover can be selected: Butterworth, Bessel, Linkwich
- Rayleigh, slope selectable from -6dB/Oct to -48dB/Oct;
● All input channel voltage limiters have adjustable threshold, ratio, start-up time, recovery time and compensation gain;
● All output channels have thresholds and adjustable recovery time;
● Adjustable delay of all input and output channels with delay time up to 2000ms;
● Parameter settings between any channel can be copied freely, and any channel can be adjusted in linkage;
● You can see the PEQ curve adjustment graph of all current input or output channels at any input or output channel;
● Built-in test signal generator, the input and input methods can be selected from pink noise, white noise, sweep frequency and 20Hz-20kHz sine wave adjustable,
The signal amplitude is adjustable;
● Front panel with input and output level indicators, USB control port, rear panel with RS232 and RS485 control ports,
One-button connection makes the user's operation easier and faster;
● Supports up to 64 preset scenes, the state of the whole machine and each preset can be stored and recalled separately, and also has a password protection function to make the device more secure;
● Application occasions: professional performances, conference rooms, courts, auditoriums, multi-purpose halls and other scenes.

Technical parameter:

Sampling rate: 96KHz
Analog Inputs: 4 XLR balanced
Input impedance: 10KΩ balanced
Input impedance: 20KΩ unbalanced
Analog outputs: 8 XLR balanced
Output Impedance: 50Ω Balanced
Output impedance: 100Ω unbalanced
Frequency Response: 20Hz – 20KH±0.33dB
Default output level: 0dBu
AD & DA conversion: 24 bit
Maximum input level: 22dBu
Maximum output level: 22dBu
THD+N Distortion: <0.0025% @ 4dBu 20Hz-20KHz
Frequency Response: 20Hz – 20kH±0.33dB
System delay: 2.2ms
Noise floor: -91dBu (no record)
Input to output dynamic range: ≥110dBu
S/N signal-to-noise ratio: ≥110dBu

DSP: Using TI's OMAP-L138 high-performance DSP, the computing power is up to 3648 MIPS and 2746 MFLOPS per second, multiple audio algorithms are built in, and the highest sampling rate is supported to 96KHz
Parametric EQ: 13-band EQ on both input and output channels
12 filter types: Peak, Notch, High Shelf, Low Shelf, High Pass, Low Pass, 2nd Order Allpass, 1st Order Allpass, Butterworth Highpass, Butterworth Lowpass, Bessel Highpass, Bessel Low pass optional
Filter gain range: -15dB ~+15dB, step accuracy: 0.1dB
Input and output gain range: -72dB ~ +12dB, step accuracy: 0.1dB
Center frequency: adjustable in 20Hz~20kHz frequency band with 1Hz step accuracy
Filter Q value/Broadband: peak, notch, second-order all-pass Q value: 0.01～5
High and low pass filtering: Butterworth Slope: 6/12/18/24/30/36/42/48dB/Oct
Bezier slope Bezier slope: 6/12/18/24/30/36/42/48dB/Oct
Linkwich-Rayleigh: Linkwich-Rayleigh: 12/24/36/48dB/Oct
Input noise gate: threshold range: -84dBFS ~ 0dBFS;
Start control time: 1ms ~ 1000ms;
Recovery time: 1ms ~ 1000ms
Input compression: Threshold range: -84dBu ~ 0dBu
Ratio: 1 to 20
Startup time: 1ms ~ 1000ms
Recovery time: 1ms ~ 1000ms
Compensation gain: -24 ~ 30
Output limiter: Threshold range: -84dBu ~ 0dBu
Recovery time: 100ms ~ 1000ms;
Delay: up to 2000 ms adjustable delay for each input and output channel