Ashly Audio Protea 2.24PS 2-Channel Parametric EQ Sys Processor  

Item #: 
12747416286118194
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The Protea 2.24PS 2-Channel Parametric EQ allows for the installation of multiple channel parametric equalizers where tamperproof, precise audio equalization is required. Ashly's exclusive Protea Syst... Click To Read More About This Product

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Overview

The Protea 2.24PS 2-Channel Parametric EQ allows for the installation of multiple channel parametric equalizers where tamperproof, precise audio equalization is required. Ashly's exclusive Protea System Software running on a PC or a MIDI controller can easily control and program the processor. The Protea 2.24PS is housed in an all-steel, 1RU chassis, and has two independent channels of fully programmable 12-band parametric EQ with with limiter, high- and low-pass filter, and time delay functions.

Each parametric band allows for 1/25th to 3.3 octave Q, a 24-step/octave frequency adjustment from 20Hz to 20KHz and level control of +10/-20dB in 0.5dB increments. High and low shelf filters are adjustable from 1.6kHz to 20kHz and 20Hz to 240Hz, respectively. High and low pass filters are 24dB/octave adjustable from20Hz to 10.6kHz and 33Hz to 20kHz, respectively. Time delay is adjustable up to 1.364 seconds.

Other features include 24-bit A/D-D/A conversion, 24-bit/100MHz digital processing, RS-232, and MIDI interface, linkable channels, +6dB/-infinity master gain, and 128 preset locations. Both units display individual channel numbers using 7-segment displays. Signal present and signal clip levels are indicated by discrete LEDs.

Features
  • 24 Bit A/D - D/A Audio Resolution
  • 24 Bit/100MHz (x2) Digital Signal Processing
  • 2 - 12-band channels of parametric
  • Programmable Compressor/Limiter
  • Programmable Delay up to 1.364 Seconds
  • Programmable High and Low Pass Filters
  • Programmable High and Low Shelf Filters
  • Control from or MIDI
  • Contact Closure for External Recall of 6 Scenes
  • Balanced XLR and 1/4" Inputs and Outputs
  • Linkable Channels
  • Constant Q/Reciprocal Filter Design
  • +10/-20dB Boost and Cut, 0.5dB increments
  • 128 Preset Locations, 50 Scenes
  • RS-232 Computer Interface
  • Full MIDI Implementation
  • 5-Year Worry-Free Warranty
Specifications
  • Input:
    Type: Active Balanced
    Impedance: 18 K ohms
    Max. Level: +20dBu

    Output:
    Type: Pseudo-Balanced
    Impedance: 200 ohms
    Max. Level: +20dBu

    Frequency Response: ±.25dB 20Hz-20kHz
    THD (20Hz-20kHz: <.01% @ 1KHz, +20dBu
    Dynamic Range: >110dB (20Hz-20KHz) unweighted
    Output Noise: <-90dBu unweighted

    Filters:
    Type: Parametric
    Number: 2 X 12
    Bandwidth: 1/25 Octave to 3.3 Octave
    Frequency Resolution: 1/24 Octave
    Range: +10/-20dB, 0.5dB Increments

    Power Requirements: 90-125VAC, 50-60Hz, 27W
    180-250VAC 50-60Hz, 27W

    Shipping Weight: 14 lbs
    Dimensions: 19"L x 1.75"H x 8"D
    I/O Connectors: XLR, 1/4"
    Environmental: 40-120 deg. F Noncondensing

    Compressor/Limiter:
    Threshold: -20dBu to +20 dBu, 1dB increments
    Ratio: 1.2:1 to Infinity
    (1.2:1, 1.5:1, 2:1, 3:1, 4:1, 6:1, 10:1, 20:1, inf:1)
    Attack: 0.5ms to 50ms per dB
    (.5, 1, 2, 5, 10, 20, 50ms)
    Release: 10ms to 1 sec per dB
    (10, 20, 50, 100, 200, 500ms, 1 Sec)

    HPF: 24dB/Octave
    Range: 20Hz to 10.6Khz
    LPF: 24dB/Octave
    Range: 33Hz to 20.1KHz

    Delay:
    Maximum Delay: 1.364 seconds
    Increment: 20us

    Processor:
    Input A to D: 24 Bit
    Output D to A: 24 Bit
    Processor: 24 Bit, 56 Bit Accumulator
    Sample Rate: 48KHz
    Propagation Delay: 1.46ms
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