Ashly Audio Protea 4.24C Speaker Processor

The Ashly Protea 4.24C is a 4 input, 8 output speaker processor coupled with a user interface that is so easy you won't even need the manual to set up your system. The Protea System II 4.24C Digital Crossover/System Processor has all the audio processing tools needed for precise crossover and sound control. Each input allows you to control gain, delay and six parametric, low or high shelf filters. In addition to setting crossover frequencies, each output may be assigned to any one or a combination of inputs, allows you to program four parametric, low or high shelf filters, delay for time delay adjustments, output gain, reverse polarity and a compressor/limiter for speaker protection. All this in a one rack space with XLR input and output connections. You may also program and control the 4.24C with Ashly's Protea System Software (Windows™ 95, 98, 2000, XP and NT platforms), AMX NetLinx, MIDI or SIA Smaart software. In all, the Protea 4.24C is a powerful tool for use in fixed installation and live sound applications.

Ashly Audio Protea 4.24C Speaker Processor Specifications:

• Input: Active Balanced, 18 Kohms
• Max. Input Level: +20 dBu
• Output: Active Balanced, 100 ohms
• Max. Output Level: +20 dBu
• Frequency Response: 20 Hz 20KHz, ñ0.25 dB
• THD: <0.01% @1 KHz, +20 dBu
• Dynamic Range: >110 dB (20 Hz 20 kHz) unweighted
• Output Noise: < 90 dBu unweighted
  
  Eq Filters:
• Number: 6 per Input, 4 per Output Selectable
• As:
• Parametric
• Bandwidth: 1/64th Octave to 4 Octave
• Range: +15/ 30dB, 0.1 dB increments
• Resolution: 1/24th Octave
• High Shelf
• Slope: Selectable 6 or 12dB/Octave (1 High
• Shelf, 2 High Shelf)
• Frequency Range: 19.7Hz to 2KHz
• Range: +/ 15dB, 0.1dB increments
• Low Shelf
• Slope: Selectable 6 or 12dB/Octave (1 Low
• Shelf, 2 Low Shelf)
• Frequency Range: 3.1886KHz to 20.1587KHz
• Range: +/ 15 dB, 0.1dB increments
  
  Crossover Filters:
• High Pass Filter
• Type: Linkwitz Riley, Bessel, Butterworth
• Slope: 12, 18, 24 and 48dB/Octave
• Frequency Range: Off to 21.983.3KHz, 1/24 Octave
• Low Pass Filter
• Type: Linkwitz Riley, Bessel, Butterworth
• Slope: 12, 18, 24 and 48dB/Octave
• Frequency Range: Off to 21.983.3KHz, 245 step
• Increments
  
  Delay:
• Input Maximum Delay: 682.5ms
• Output Maximum Delay: 21.33ms
• Increment: 20_s
• INPUT And OUTPUT GAIN:
• Range: +12/ 40dB, 0.1dB increments
  
  Polarity
• 0 or 180 degrees (selectable in the Output Gain Stage)
  
  Compressor/Limiter:
• Threshold: 20dBu to +20 dBu, 1.0dB increments
• Ratio: 1.2 :1 to Infinity (1.2, 1.5, 2., 3, 4, 6,
• 10, 20, Infinite:1)
• Attack: 0.5 ms to 50 ms per dB
• Release: 10 ms to 1 sec. per dB
  
  Processor:
• Input A To D: 24 bit
• Output D To A: 24 bit
• Processor: 24 bit, 56 bit accumulator
• Sample Rate: 48 kHz
• Propagation Delay: 1.46 ms
  
  Other:
• SIGNAL AND CLIP Leds: Inputs: 20/Mute, 10, 0, +10, Clip
• (dBU or VU); Outputs: 20/Mute, 10, 0, Limit; Threshold, Clip (dBu or VU)
• Rs232 Cable Distance: 1300ft (Max)
• Midi Cable Distance: 500ft (Max)
• Power Requirements: 80 260VAC, 30W max
• Shipping Weight: 10lbs
• Dimensions: 19.0"L x 1.75"H x 6.0"D
• I/O Connectors: XLR
• Environmental: 40 120 deg. F, noncondensing
• Notes: 0dBu = 0.775V RMS

Ashly Audio Protea 4.24C Speaker Processor Features:

• One Rack Space
• Four Inputs — Eight Outputs
• Outputs Assignable to Any Input
• Crossover, EQ, Delay and Limiter
• Functions
• Linkwitz Riley, Bessel and
• Butterworth Filters
• 12, 18, 24 and 48dB/Octave Slopes
• Parametric EQ: Full Bandwidth, 1/64th to 4 Octave Range
• Input and Output Delay
• Limiter on Each Output
• Intuitive User Interface
• Programmable by Front Panel, PC or
• MIDI
• Individual Input and Output
• Metering
• Balanced Inputs and Outputs
• XLR Audio Connections
• Password Protected System Security
• Five Year Warranty

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