Ashly NE8250 - Detailed DSP Specifications; Dynamics and Level Control Specs; Equalization, Crossover, and Routing Specs

15
Operating Manual - NE Multi Channel Power Amplier
DSP Specications
Input . . . . . . . . . . . . . . . . . . . .Active Balanced, 10 kohms
Max Input Level . . . . . . . . . . .+21 dBu
Dynamics
Brick Wall Limiter
Threshold . . . . . . . . . . . . . . . .-20dBu to +20dBu
Ratio. . . . . . . . . . . . . . . . . . . .innite
Attack . . . . . . . . . . . . . . . . . . .0.2ms/dB to 50 ms/dB
Release . . . . . . . . . . . . . . . . . .5ms/dB to 1000ms/dB
Compressor
Threshold . . . . . . . . . . . . . . . .-20dBu to +20dBu
Ratio. . . . . . . . . . . . . . . . . . . .1.2:1 to innite
Attack . . . . . . . . . . . . . . . . . . .0.2 to 50ms
Release . . . . . . . . . . . . . . . . . .5ms/dB to 1000ms/dB
Detector . . . . . . . . . . . . . . . . .Peak/Average
Autoleveler
Target Level . . . . . . . . . . . . . .-40dBu to +20dBu
Action . . . . . . . . . . . . . . . . . . .gentle, normal, aggressive, user dened
Maximum Gain. . . . . . . . . . . .0dB to +15dB
Ratio. . . . . . . . . . . . . . . . . . . .1.2:1 to 10:1
Threshold Below Target . . . . .-30dB to 0dB
Gain Increase Rate. . . . . . . . .5ms/dB to 1000ms/dB
Hold Time. . . . . . . . . . . . . . . .0-6 sec
Ducker
Ducking Type high/low priority, trigger, libuster,
ducked program
Trigger Threshold . . . . . . . . . -80dBu to +20 dBu
Ducking Release. . . . . . . . . . .5ms/dB to 1000ms/dB
Ducking Depth . . . . . . . . . . . .0dB to -30dB
Gate
Threshold . . . . . . . . . . . . . . . .-80dBu to +20dBu
Range . . . . . . . . . . . . . . . . . . .off, 100dB to 0dB
Attack . . . . . . . . . . . . . . . . . . .0.2ms/dB to 50 ms/dB
Release . . . . . . . . . . . . . . . . . .5ms/dB to 1000ms/dB
Gain
Gain . . . . . . . . . . . . . . . . . . . .off, -50dB to +12dB
Gain w/VCA . . . . . . . . . . . . . .off, -50dB to +12dB
WR-5 Remote Gain . . . . . . . .off, -50dB to +12dB
Equalization
FIR Filter (Output only, 48kHz only, 2-384 Taps)
File types . . . . . . . . . . . . . . . .*.csv, *.r
31 Band Graphic
Filter Type . . . . . . . . . . . . . . .constant Q or proportional
Bandwidth . . . . . . . . . . . . . . .0.499oct to 0.25oct
2, 4, 6, or 10 Band Parametric
Filter Types
Parametric:
Frequency. . . . . . . . . . . . . . . .20-20kHz
Level. . . . . . . . . . . . . . . . . . . .-30dB to +15dB
Q Value. . . . . . . . . . . . . . . . . .0.016oct to 4oct
Hi/Low Shelf 6/12 dB
Frequency. . . . . . . . . . . . . . . .20Hz-20kHz
Level. . . . . . . . . . . . . . . . . . . .-15dB to +15dB
All Pass
Frequency 20Hz-20kHz
Variable Q HP/LP
Frequency. . . . . . . . . . . . . . . .20Hz-20kHz
Q Value. . . . . . . . . . . . . . . . . .3.047 to 0.267
Notch/Bandpass
Frequency. . . . . . . . . . . . . . . .20Hz-20kHz
Q Value. . . . . . . . . . . . . . . . . .92.436 to 0.267
Crossover
2 Way, 3 Way, 4 Way Crossover
High Pass/Low Pass Filters
Filter Types:
Bessel . . . . . . . . . . . . . . . . . . .12/18/24/48 dB/oct
Butterworth . . . . . . . . . . . . . .12/18/24/48 dB/oct
Linkwitz . . . . . . . . . . . . . . . . .12/24/48 dB/oct
Frequency. . . . . . . . . . . . . . . .off, 20Hz-20KHz
Delay
@ 48kHz Sampling Rate
Speaker Delay . . . . . . . . . . . .0-21ms
Delay . . . . . . . . . . . . . . . . . . .0-682ms
@ 96kHz Sampling Rate
Speaker Delay . . . . . . . . . . . .0-10.6ms
Delay . . . . . . . . . . . . . . . . . . .0-341ms
Tools
Audio Meter
Range . . . . . . . . . . . . . . . . . .-60dBu to +20dBu
Increments . . . . . . . . . . . . . .1dB
Peak Hold Indicator. . . . . . .yes
Signal Generator . . . . . . . . . .pink noise, white noise, sine wave
Sine Wave Frequency . . . . . .20Hz-12kHz
Signal Level . . . . . . . . . . . . .off, -50dBu to +20dBu
Cross Point Mixer
Gain . . . . . . . . . . . . . . . . . . . .Off., -50dB to +12dB
0.5dB increments with Mute at -50dB
Linking
All functions can be linked to 1 of 16 link groups
Processors
Input A/D . . . . . . . . . . . . . . . .24 bit (Burr Brown PCM4204)
Output D/A. . . . . . . . . . . . . . .24 bit (Burr Brown PCM4104)
DSP Processors . . . . . . . . . . .32-bit oating point (Sharc ADSP-21262)
Sample Rates . . . . . . . . . . . . .48kHz, 96kHz
Propagation Delay @ 48kHz 1.42 ms
Propagation Delay @ 96kHz 0.71 ms
Four or Eight Channel AES3 Digital Audio Input Option
Type . . . . . . . . . . . . . . . . . . . .110 ohm transformer balanced XLR
Sample Rates . . . . . . . . . . . . .48kHz, 96kHz
Max Cable Length . . . . . . . . .100 meters
Network Audio Option
Available Types . . . . . . . . . . .Dante
®
, CobraNet
®