Protea DSP Audio Matrix Processor 8-In x 8-Out. Connecting and controlling an audio processor for networked systems has now been simplified with Ashly’s NE-Series Protea ne24.24M digital signal processor. This Network Enabled (NE) processor offers ease of use, setup and control using standard 10/100 Ethernet protocol and Protea NE Software. No special outboard control units are needed. The ne24.24M Matrix Processor uses modular expansion cards to provide up to twenty-four channels of audio matrixing and processing. The base unit offers a four-input/four-output configuration. Each input and output expansion card has an individual DSP processor allowing you to expand the base unit’s total inputs or outputs four channels 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. All programming is accomplished using Ashly’s Protea NE Software on a PC platform. No front panel controls and multi-level software security assures you a tamperproof audio system. Input channel processing blocks include Mic Preamp with Phantom Power, Gain, Delay, fifteen EQ Filters, Gate, Autoleveler and Ducker. Inputs may be configured as either mic or line level. Output channel processing blocks consist of a Cross Point Mixer, HPF/LPF, Delay, fifteen EQ Filters, Gain and Limiter. The cross point mixer in the output section allows you to route any input to any output at any level and mute any input at any output without affecting the true input configuration. The HPF/LPF block offers Bessel, Butterworth and Linkwitz-Riley filters with 12, 18, 24 and 48dB/octave slopes. Whether you are designing or installing a system for corporate boardrooms, restaurants, courtrooms, houses of worship, left/center/right theatres, auditoriums or conference centers, the Protea ne24.24M will more than satisfy your requirements for any zoned system requiring input/output matrixing with signal processing. Ashly ne24.24M Features: 10/100 Ethernet and RS-232 computer interface is standard Extensive DSP Available Easy and intuitive user interface Mic/Line inputs 24-bit A/D–D/A audio resolution 24-bit/150 MHz DSPs 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 Four dedicated remote controls for Level, Preset Recall and Programmable Functions Third Party Control Friendly Input and output metering viewable in dBu Multi-level Security Five year worry-free warranty Safety/Compliance: (FCC, CE, RoHS) Rear panel: 10/100 Ethernet port RS-232 Port Euroblock inputs Euroblock outputs Remote level control Preset Recall Data in and out ports Ashly ne24.24M Specifications: Input: Active Balanced, 18 kohms Max Input Level: +20dBu Input Gain Range -50dB to +12dB, selectable polarity Output: Active Servo Balanced, 112 ohms Max Output Level: +20dBu Output Gain Range: -50dB to +12dB, selectable polarity Frequency Response: 20 Hz-20kHz, ±0.25 dB THD: < 0.01% @1 kHz, +20 dBu Dynamic Range: >110 dB (20 Hz-20 kHz) unweighted Output Noise: < -90 dBu unweighted Power Requirements: 90 - 240VAC, 40W Shipping Weight: 13lbs (Maximum) Dimensions: 19.0”L x 3.5”H x 8.5”D Connections: Euroblock Environmental: 40-120 deg. F, (4-49 deg, C) non-condensing Mic Preamp Gain: 0dB, +20dB, +40dB, +60dB Mic Preamp: Phantom Power +48VDC (9.6ma/input) Mic Preamp EIN: -128dBu, 20-20KHz, 50 ohm source Parametric EQ Bandwidth: 1/64th Octave to 4 Octave Parametric EQ Range: +15/-30dB, 0.1 dB incr Parametric EQ Resolution: 1Hz Low-Shelf EQ Slope: 6 or 12dB/Octave Low-Shelf EQ Frequency Range: 20Hz to 2KHz Low-Shelf EQ Range: +/-15dB, 0.1dB incr High-Shelf EQ Slope: 6 or 12dB/Octave High-Shelf EQ Frequency Range: 3.886KHz to 20KHz High-Shelf EQ Range: +/-15 dB, 0.1 dB incr All Pass Filter Type: Second-Order (-180 degrees) All Pass Filter Frequency Range: 20Hz to 20KHz Crossover High Pass Filter Type: Linkwitz-Riley, Bessel, Butterworth Crossover High Pass Filter Slope: 12, 18, 24 and 48dB/Octave Crossover High Pass Filter Range: Off to 20KHz, 1Hz incr Crossover Low Pass Filter Type: Linkwitz-Riley, Bessel, Butterworth Crossover Low Pass Filter Range: Linkwitz-Riley, Bessel, Butterworth Crossover Low Pass Filter Slope: 12, 18, 24 and 48dB/Octave Maximum Input Delay: 682.5ms, 20uS incr Maximum Output Delay: 682.5ms, 20uS incr Gate Threshold: -80 to +20dBu, 1dBu incr Gate Floor: Off, -80 to 0dBu, 1dBu incr Gate Attack: .2, .5, 1, 2, 5, 10, 20, 50ms/dB Gate Release: 5, 10, 20 50, 100, 200, 500, 1000ms/dB Autoleveler Target Level: -40 to +20dBu, 1dBu incr Autoleveler Ratio: 1.2:1, 1.5:1, 2:1, 3:1, 4:1, 6:1, 10:1 Autoleveler Hold Time: 0, 1, 2, 3, 4, 5, 6 Sec Autoleveler Threshold Below Target: -30 to 0dB, 1dB incr Autoleveler Gain Increase Rate: 5, 10, 20, 50, 100, 200, 500, 1000ms/dB Autoleveler Gain Decrease Rate: 5, 10, 20, 50, 100, 200, 500, 1000ms/dB Ducker Trigger Threshold: -80 to +20dBu, 1dBu incr Ducker Depth: -30 to 0dBu, 1dBu incr Ducker Release: 5, 10, 20 50, 100, 200, 500, 1000ms/dB Compressor/Limiter Threshold: -20dBu to +20dBu, 1dB incr Compressor/Limiter Ratio: 1.2, 1.5, 2., 3, 4, 6, 10, 20,:1 Compressor/Limiter Atack: 0.5ms to 50ms per dB Compressor/Limiter Release: 10ms to 1sec. per dB Cross Point Mixer: Gain -50 to +12dB, 1dB incr with Mute Sample Rate: 48kHz Input A/D | Output D/A: 24 bit DSP: 24-bit Freescale Propagation Delay: 1.46ms
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