ครอสดิจิตอล Marani รุ่น MIR880F

ครอสโอเวอร์ 8 อินพุต 8 เอาต์พุต
การประมวลผลระบบดิจิตอล ใช้ Sample rate 96kHz
มีฟิลเตอร์ 3 แบบ คือ IIR, MIR และ FIR
EQ อินพุต 27 แบนด์

 
Input impedance
20KΩ
Output impedance
150Ω
A/D dynamic range
123dB
D/A dynamic range
129dB
Maximum input level
+20dBu
Maximum output level
+20dBu
Total harmonic distortion
<0.0015% (+21dBu 1KHz)
Frequency response
20Hz~45kHz
Number of Dante channels
4×4@48kHz  2×2@96kHz  Ultimo/Brooklyn optional
Crosstalk
≦-98dB
Signal-to-noise ratio
≧116dB  +20dBu 1KHz
Noise floor
≦-96dB (A weighting)
Common Mode Rejection Ratio
65dB
Number of analog input channels
4
Number of analog output channels
8
Rs485 control port
2
Network control port
1
 
 
DSP & Processing
 
Input & output gain
-18 dB ~ +12 dB, 0.1dB step
Noise gate
Threshold range: -80dBu~-45dBu attack time: 1ms~1000ms; Release time: 1ms~1000ms
Dynamic loudness filter
Gain range: 0dB-10dB attack : fast/medium/slow
Parametric equalizer
Input channels up to 27 optional types of PEQ, output channels up to 8 optional types of PEQ
Optional types include
 Bell, 1st order high Shelf filter, 2nd order high Shelf filter Variable Q, high Shelf filter, 1st order low Shelf filter, 2nd order low Shelf filter Variable Q low Shelf filter, 1st-order low-pass filter, 2nd-order low-pass filter Variable Q low pass filter, 1st order high pass filter, 2nd order high pass filter, Variable Q high pass filter, notch filter， 1st order all-pass filter, 2nd order all-pass filter with variable Q value
The center frequency
adjustable within the frequency range of 20Hz~20kHz with a 1Hz step
Q value/bandwidth
The Q value range of Bell filter is 0.4~128, the step is 0.01 The range of the Q value of the Chevron/high-pass/low-pass filter is: 0.1~5.1, and the step is 0.01 The value range of bandpass/notch filter Q is: 4~104, step is 1
Equalizer gain range
-15dB～+15dB
IIR crossover filter
Butterworth slope: 6/12/18/24/36/48dB per octave
Bessel slope: 12/24dB per octave Linkwitz-Riley slope: 12/24/36/48dB per octave NXF slope is 40/45/50/50/55/60/65/70/75dB per octave
MIR linear phase filter
Butterworth slope: 6/12/18/24/36/48dB per octave
Bessel slope: 12/24dB per octave Linkwitz-Riley slope: 12/24/36/48dB per octave NXF slope is 40/45/50/50/55/60/65/70/75dB per octave
FIR crossover filter
type; high pass/low pass/band pass/external import Taps range: 256 ~ 512,
slope range 21 ~ 120dB per octave Time window type: Rect / Sinc / Keiser /Hanning / Hamming / Blackman /Blackman-Harris/ Blackman-Nuttal / Nuttal/Keiser -Bessel/Sine
RMS compressor
Threshold range: -10dBu~ +20dBu; attack time:0.1ms~1000ms; Release time: 10ms~15000ms Ratio range:2~32: 1                            Soft knee: 0~100%  Make up:Maximum 12dB
Peak limiter
Threshold range: -10dBu~ +20dBu
attack time: 1ms~1000ms; Release time: 10ms~3000ms
Hard limiter
Threshold range: -10dBu~ +20dBu
Delay
The adjustable delay time of each input channel + output channel is 452ms, 0.0104ms (10.4us) Step
FIR filter
Each input channel and output channel can import 48kHz sampling rate 512 tap FIR filter currently, the FIR filter in the plug-in can be switched to 96kHz sampling rate, up to 4096Taps@48k/3600Taps@96k tap number to achieve full frequency linear phase.
 
 
General
 
Dimensions
482x44x253(mm) 1RU

Weight
3.0 Kg

Preset number
50