Ashly Protea DSP Audio Matrix Processor 8-In x 8-Out

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Input Active Balanced, 18k Ohms
Input Gain Range -50dB - +12dB, Selectable Polarity
Output Active Servo Balanced, 112 Ohms
Input/Output Level +20dBu (Max)
Output Gain Range -50dB - +12dB, Selectable Polarity
Frequency Response 20 Hz—20kHz, ±0.25 dB
THD <0.01% @ 1kHz, +20 dBu
Dynamic Range >110dB (20Hz-20kHz) Unweighted
Output Noise <-90 dBu Unweighted
Environmental 40-120 deg. F, (4-49 deg, C) noncondensing
Rear Panel
Controls Remote level control, Data In/Out ports, Preset Recall, Logic Inputs, On/Off switch
Connections 10/100 Ethernet port, RS-232, Euroblock In/Out
Power Cord 3-Prong, Detachable
Weight, Dimensions & Power
Dimensions 19"L x 3S"H x 8.5"D (483mm x 89mm x 216mm)
Unit Weight 8.9lbs (4.04kg)
Shipping Weight 12lbs(6kg)
Power Requirements 90 - 240VAC, 50/60Hz, 40W

Threshold -20dBu to +20dBu
Ratio 1.2:l-oo
Attack 0.2 to 50ms
Release 5ms/dBto lOOOms/dB
Detector Peak/Average
Attenuation Bus 1 available
Metering In, Out, Attenuation, Graphical
Autoleveler Controls
Target Level -40dBu to +20dBu
Action Gentle, normal, aggressive, user defined
Maximum Gain OdB to +27dB
Metering Attenuation
Ratio 1.2:1 to 10:1
Threshold Below Target -30dB to OdB
Gain Increase/Decrease Rate 5ms/dBto 1000ms/dB
Hold Time 0-6 sec
Ducking: High/Low Priority, Trigger, Filibuster, Ducked Program
Trigger Threshold -80dBu to+20 dBu
Ducking Release 5ms/dBto 1000ms/dB
Ducking Depth 0dBto-30dB,-°°
Enable Ducking at Matrix Mixer Yes
Metering Input
Threshold -80dBu to +20dBu
Range off, lOOdB to OdB
Attack 0.2ms/dBto50 ms/dB
Release 5ms/dBto 1000ms/dB
Metering Gate LED, Graphical

Gain -50dB to +12dB, off, polarity invert
Remote Level Control 8 available, OdBto-oo
Remote RD8C Gain Enable per channel, OdB to -oo
WR-5 (neWR-5) Remote Gain 0 to -50dB, Mute
EQ: Parametric 15 Band
Frequency 20*20kHz
Level -30dB to +15dB
Q Value 0.016 to 3.995 Octave
EQ: Hi/Low Shelf 6/12 dB/oct
Frequency 20Hz—20kHz
Level -15dB to +15dB
EQ: All Pass
Frequency 20Hz—20kHz
EQ: Variable QHP/LP
Frequency 20Hz—20kHz
Q Value 3.047 to 0.267
EQ: 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
Bessel & Butterworth Filters 12/18/24/48dB/oct
Unkwitz-Riley Filter 12/24/48 dB/oct
Frequency Off, 20Hz-20KHz
Delay: § 48kHz Sampling Rate (Input Time, Distance & Temperature)
Speaker Delay 0-21ms
Delay 0-682ms

Delay: @ 96kHz Sampling Rate (Input Time, Distance & Temperature)
Speaker Delay 0-10.6ms
Delay 0-341ms
Audio Metering Tool
Range -60dBu to +20dBu
Increments ldB
Peak Hold Indicator Yes
Signal Generator Tool: Pink noise, White noise, Sine wave
Signal Level Off, -50dBu to +20dBu
Sine Wave Frequency 20Hz—12kHz
Matrix Mixer
Gain (0.5dB increments) Off, -50 to +12dB
Mute Per channel
Enable Ducking at Mixer Yes
Ducking LED Per channel if enabled
Input A/D, Output D/A 24-bit
DSP Processors 24-bit signal, 48-bit filters, 56-bit accumulator
Sample Rate 48kHz
Propagation Delay @ 48kHz: 1.46ms

This listing is for ne24.24M 8x8 Processor only. Use description below as a general reference.

Whether you are designing or installing a system for corporate boardrooms, restaurants, courtrooms, houses of worship, left/center/right high output speaker systems in performance spaces, auditoriums or conference centers, our widely-popular Protea™ ne24.24M Matrix Processor will more than satisfy your requirements for any zoned system. When your install requires input/output matrixing with signal processing it doesn't get much easier than programming your channels using Protea™ ne Software on your PC.

The ne24.24M uses modular expansion cards to provide up to 24-channels of audio matrixing and processing. The base unit offers a 4-input/4-output configuration. Each input and output expansion card has an individual DSP processor allowing you to expand the total input or output 4 channels of DSP processing at a time.

These cards are easily installed in the field without the need to reprogram the device.

Matrixing allows you to route any input to any output and control individual levels once they have been assigned. Fixed path architecture and extensive processing power per channel will reduce the amount of time it takes to set up your system. An optional GPO Logic Card allows the ne24.24M to trigger projection screens, curtains or lights. The logic card is installed in place of a 4-input or 4-output card and occupies one of the four expansion slots.


  • 10/100 Ethernet & RS-232 computer interface standard
  • Extensive DSP available
  • Easy and intuitive user interface
  • Mic/line inputs
  • 24-bit A/D–D/A audio resolution
  • Up to 24-channels of audio processing
  • 4x4 base unit configuration
  • Expand inputs or outputs 4-channels per module
  • Modules easily field installable
  • Euroblock connectors for audio, preset recall, DC remote level control and data in/out
  • 31 preset locations
  • Remote controls for level, preset recall and programmable functions
  • Third-party control-friendly
  • Input and output metering viewable in dBu
  • Multi-level security
  • Safety/Compliance: cTUVus, FCC, CE, RoHS

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