4in 8out Audio Sound Processor DSP Digital Signal Processors Prokustk DP48

Model

DP48

Input Channel Jacks:

 4 Female XLR

Output Channel Jacks:

8 Male XLR

Input Impedance :

Balanced 20K ohm

Output Impedance :

Balanced 100 ohm 

PC port :

Front Panel with 1 USB interface ( USB3.0 control interface can be expanded to Wifi control interface) Rear panel with 2 RS485 interface (RJ-45 seat )

CMRR :

> 70 dB (1khz)

Input range : 

≤+16.3dBu

Frequency Response :

19.7hz ~20Khz ( ±0.5dB)

S/N Ratio:

> 100 dB(1khz)

THD

< 0.01% Output = 0dBu/1Khz

Channel Separation

>100dB (1khz)

Input Channel Function 

Input noise gate :

Each input channel has a noise gate function , the threshold level is -120dBu - 0dBu, Stepover : 1dBu 

Input mute :

Each channel has independent mute control 

Input Gain:

Input range : -80dB- +12dB , Stepover : 0.1 dB

Input Delay :

Each input channel has independent delay control . The adjustable range is 0-1000ms . the fine adjustable stepover is 21us, the coarse adjustable stepover is 1ms .

Input Polarity :

same phase (+) or reversed phase (-)

Input EQ :

Each input channel has 6 parametric equalizer , equalization mode can choose PEQ / Lo-shelf/Hi-shelf /APF 1st /APF 2nd
A. Adjust the parameters in PEQ state : Center frequency point : 19.7hz-20Khz, 241 frequency points in total

Bandwidth :0.05oct -3oct , stepover is 0.01 oct , Gain: -20dBu~20dBu , stepover is 0.1dBu

B: Adjust the parameters in Lo-shelf and Hi-shelf state: Center frequency 19.7hz-20Khz ,241 frequency points in total , Slope :6dB/12dB,Gain:-20dBu~20dBu,stepover is 0.1dBu

C. In the APF 1st state , the center frequency is 19.7-20Khz and 241 frequency points are selectable

D. Adjust the parameters in the APF 2nd state : Center frequency point :19.7-20Khz , 241 frequency points in total. Bandwidth : 0.05oct ~3oct , Stepover is 0.01oct 

Input Dynamic Equalization :

These are 2 Dynamic Equalizations for each input channel, and adjustable parameters are as followed : Frequency turning point : 19.7-20Khz, 241 frequency points in total. Bandwidth : 0.05oct ~3oct , Stepover is 0.01oct 
Target Level Value :-45dBu ~ +15dBu, Threshould -45dBu ~ +15dBu, Ratio :1.0:1~20:1 , 1.0:1~1:2 step 0.1, 1:2 to 1:20 step 0.5, Attack time: 0.3ms~200ms , less than 1ms , the step is 0.1ms; when it is greater than 1ms , Release time :50ms~5000ms step 1ms

Input Compression

Each input channel has a separate input compression setting, the adjustableparameter are as followed : compression level : -40dBu~+20dBu, stepover is 0.1dBu , compression ratio: 1.0:1~20:1 , 1.0:1~1:2 step 0.1, 1:2 to 1:20 step 0.5 , Attack time :0.3ms~200ms, less than 1ms, the step is 0.1ms ; when it is greater than 1ms , the step is 1ms , Release time : 50ms ~5000ms step 1ms

Input Automatic gain

Each channel has a separate input with automatic gain function , the adjustableparameters are as followed : threshold : -80dBu~+20dBu, step is 0.1dBu, Target level :-80dBu~=20dBu, Ratio : 1:1~1:20; Step 1:1 between 1:1 and 1:2 ; step 1:0.5 from 1:2 to 1:20 , Attack time :0.3~200ms , if less than 1ms , step is 0.1ms , when it is greater than 1ms, step is 1ms . Release time :50-5000ms , step 1ms

Output Channel function:

Output mute

Separate mute control for each channel

Input selection

Each output channel can be separately selected for different input channels.Or any combination of input channels can be selected

Output gain

Adjustment range : -80dB to +12dB, step size is 0.1dB

Output delay

Each output channel has separate delay control , the adjustment range is 0~1000ms, the fine adjustment step is 21us; the coarse adjustment step is 1ms

Output phase

same phase (+) or reversed phase (-)

Divider setting

A low-pass filter (LPF) and high pass filter (HPF) can be set separately for each output channel . The adjustable parameters are : Filter type: Lin-Ril/ Bessel /Butter
Frequency turning point : 19.7~20Khz , a total of 241 frequency points :
A. Attenuation slopes in the Bessel and Butter sates :12dB/oct , 18dB/oct , 24db/oct , 30db/oct ,36db/oct , 42db/oct , 48db/oct
B. Attenuation slopes in the Lin-oil state : 12 db/oct , 24db/oct, 36db/oct , 48db/oct

Limiter setting

The limiter can be set separately for each output channel . The adjustable parameters are : limiter level : -40 dBu~+20 dBu, stepover is 0.1 dBu, Attack time : 0.3ms~200ms , when it is less than 1ms , the step is 0.1ms , when it is greater than 1ms ,the step is 1ms , release time : 50ms ~5000ms step 1ms

Compressor setting

Each output channel has a separate outputcompression setting , the adjustable parameters are as following : Compression level :-40dBu~+20dBu, step over is 0.1dBu, Compression ratio : 1.0:1~20:1,1.0:1 to 1:2 step 0.1, 1:2 to 1:20 step 0.5 , Attack time :0.3ms~200ms, less than 1ms , the step is 0.1ms; when it is greater than 1ms, the step is 1ms. Please time :50ms ~5000ms step 1ms

Output EQ

6 Equalization per output channel , PEQ/Lo-shelf /Hi-shelf/APF 1st /APF 2nd
A. Adjust the parameters in PEQ state : Center frequency point : 19.7Hz~20khz, a total of 241 frequency points Bandwidth:0.05oct ~3oct , step size is 0.01 oct , Gain: -20dB~+20dB, step distance is 0.1dBu
B. Adjustable parameters in Lo-shelf and Hi-shelf state : Center frequency point : 19.7-20kHz , a total of 241 frequency points slope: 6dB/12dB , Gain -20dBu~_20dBu, stepover is 0.1dBu
C. In the APF 1st state, the center frequency is 19.7-20kHz , and a total of 241 frequency points are selectable
D. Adjust the parameters in the APF 2nd state: Center frequency point : 19.7-20kHz , a total of 241 frequency points bandwidth: 0.05oct ~3oct, stepover is 0.01oct

Processor

96kHz sampling frequency, 32-bit DSP processor , 24-bit A/er D and D/A convert

Display

2*24 LCD blue backlight display setting , 5-band LED display input/output accurate digital level meter, mute and editing status

Power Consumption

≤25W

Power

AC 110 / 220V 60/50Hz selectable

Product size

482*190*44 mm

Net Weight

3.6Kg

Shipping size

1pcs : 562*296*98mm

Gross Weight

4.5 Kg