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Operating Manual - NE Multi Channel Power Amplifier

DSP Specifications

Input

. . . . . . . . . . . . . . . . . . . .Active Balanced, 10 kohms

Max Input Level . . . . . . . . . . .+21 dBu

Dynamics

Brick Wall Limiter

Threshold . . . . . . . . . . . . . . . .-20dBu to +20dBu

Ratio. . . . . . . . . . . . . . . . . . . .infinite

Attack . . . . . . . . . . . . . . . . . . .0.2ms/dB to 50 ms/dB

Release . . . . . . . . . . . . . . . . . .5ms/dB to 1000ms/dB

Compressor

Threshold . . . . . . . . . . . . . . . .-20dBu to +20dBu

Ratio. . . . . . . . . . . . . . . . . . . .1.2:1 to infinite

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 defined

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, filibuster,

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, *.fir

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 floating 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

Содержание Protea NE4250

Страница 1: ...5 872 0739 www ashly com 2016 by Ashly Audio Corporation All rights reserved worldwide All Trademarks referred to herein are the property of their respective owners ne4250 ne4250 25 ne4250 70 ne4250 10 Operating Manual Network Enabled Multi Channel Power Amplifiers ne8250 ne8250 25 ne8250 70 ne8250 10 ...

Страница 2: ... to rain or moisture does not operate normally or has been dropped 1 Lisez ces instructions 2 Conservez ces instructions 3 Observez les avertissements 4 Suivez ces instructions 5 Pour réduire le risque de feu ou la décharge électrique ne pas exposer cet appareil pour pleuvoir ou l humidité 6 Ne pas utiliser l appareil près de l eau 7 Le nettoyer à l aide d un tissus sec 8 Ne pas bloquer les ouvert...

Страница 3: ...ote Standby 8 Preset Recall 8 WR 1 Remote Level Control 9 WR 2 Remote Preset Recall Switch 9 WR 1 5 Remote Level Control and Preset Switch 9 RD 8C and RW 8C Remote Fader Control 10 WR 5 Remote Programmable Button Control 10 neWR 5 Networked Remote Programmable Button Control 11 FR 8 and FR 16 Networked Programmable Fader Control 11 Ashly Remote App for iPad 11 5 Proteane SOFTWARE 12 Overview 12 Am...

Страница 4: ...conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation 2 UNPACKING As a part of our system of quality control every Ashly product is carefully inspected before leaving the factory to ensure flaw less appearance After unpacking please inspect for any physical damage Save the shipping c...

Страница 5: ...the amplifier Using AES3 2 channels of digital audio are sent over a single mic cable maintaining a completely digital signal path until just before the power amplification stage 48kHz 96kHz data rates are supported AES3 can be installed with or without DSP 3 Network Audio Dante or CobraNet network audio modules can be factory installed with or without installed DSP Note that amplifiers without DS...

Страница 6: ...nfirms that the amplifier output is delivered to a speaker load 9 Channel Attenuators These control the input signal level to the amplifier They can be disabled from software 10 Factory Reset To reset all internal configurations including passwords back to their original factory settings press and hold this recessed front panel momentary switch during power up until all channel LEDs are lit Upon r...

Страница 7: ...c application setup and settings on the amplifier When setting up and testing your system please take special care to double check all connections and settings Refer to the specifications section of this manual for spe cific input output and other figures Constant Voltage Models 25V 70V and 100V and High Pass Filters Amplifiers that are factory configured as constant voltage models 25V 70V or 100V...

Страница 8: ...fter the amp is unplugged from AC Preset Recall The preset recall connections on the back panel allow different presets to be loaded from amplifier memory when one of the contacts is closed to the provided ground pin Device presets are configured from software and can include gain settings mute status polarity and DSP functions if the amp has DSP installed The NE amplifier stores up to 35 internal...

Страница 9: ... to the wiper Do not connect the WR 1 remote level control ground to any other external grounds WR 2 Remote Preset Recall Switches The WR 2 shownatright allowsselectionofoneoffourpresetsviainterlock ingpushbuttonswitches Eachpushbuttonswitchcanbeconnected to a Preset Recall Pin on the back panel of the amplifier The ter minal numbers correspond to the first 4 device presets stored in the amplifier...

Страница 10: ...ora cover plate not included can be purchased at hardware stores to cover the WR 5 electrical box and satisfy the aesthetic needs of the installation The WR 5 is phantom powered from the amplifier Up to four different WR 5 remotes can be phantom powered from one amplifer and more can be added by purchasing an Ashly RPS 18 remote power supply WR 5 buttons are programmed from software after the WR 5...

Страница 11: ...meters such as gain or preset number and are indicated by the LED display Without DSP installed in the amplifier neWR 5 functions are limited to preset recall and mute Note To use the neWR 5 as a remote level control a ne WR 5 Remote Gain tool must be placed in one of the DSP processing blocks of the channels s There is also a hard wired Lock Out feature on the neWR 5 where the closing of a switch...

Страница 12: ...mplete amplifier and software settings whereas device presets are limited to commonly used functions Sub Presets Sub Presets are user defined groups of DSP functions within one channel or across multiple channels Sub Presets allow the user to instantly recall a pre determined set of DSP parameters to quickly address changing environmental conditions without the risk of making undesirable or irreco...

Страница 13: ...ers FIR filter outputs only 4 Crossover functions Four Way Three Way and Two Way Crossovers are available on outputs only HPF and LPF filters are available on both inputs and outputs 5 Delay Speaker Delay at 48kHz sampling rate is 21mS and Delay is 682mS At 96kHz 10 6mS and 341ms 6 Metering 60dBu to 20dBu display 7 Signal Generator Pink noise White Noise Sine Wave from 20Hz to 12kHz Extensive onli...

Страница 14: ... ohm load 10dB below rated power 0 5 Distortion THD N typical 8 ohm load 10dB below rated power 20Hz 20kHz 0 5 Frequency Response 20Hz 20kHz 1dB Damping Factor 8 ohm load 1kHz 250 Input Impedance 20K Ohm balanced Maximum Input Level 21dB Cooling temperature controlled fan cool air is drawn in from the sides and blown out the front Control Network Standard 100MB Ethernet Front Panel Indicators per ...

Страница 15: ...etric 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 4...

Страница 16: ...DSP or Network Audio 2 With Protea DSP 3 With Protea DSP and Network Audio or AES3 Input 4 With Network Audio or AES3 Input but Without DSP factory installed DAC converter required Remote Control Options Vary With Configuration DSP is Required for Most Programmable Remote Control Functions Protea NE Software Control Factory Options bypassed if not installed Protea DSP DSP Processing Load Impedance...

Страница 17: ...efaced or removed ASHLYAUDIO INC reserves the right to make changes in design or make additions to or improvements upon this product without any obligation to install the same on products previously manufactured Any implied warranties which may arise under the operation of state law shall be effective only for FIVE years from the original date of purchase of the product ASHLY AUDIO INC shall be ob...

Страница 18: ...Operating Manual NE Multi Channel Power Amplifier 18 This page intentionally left blank ...

Страница 19: ...19 Operating Manual NE Multi Channel Power Amplifier This page intentionally left blank ...

Страница 20: ... 585 872 0010 Fax 585 872 0739 Toll Free 800 828 6308 www ashly com Ashly Audio is a division of Jam Industries Ltd 2016 by Ashly Audio Inc All rights reserved worldwide All features specifications and graphical representations are subject to change or improvement without notice Printed in USA r11 0416 ...

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