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 C... Read More
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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.
One Rack Space
Four Inputs ” Eight Outputs
Outputs Assignable to Any Input
Crossover, EQ, Delay and Limiter
Linkwitz-Riley, Bessel and
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
Individual Input and Output
Balanced Inputs and Outputs
XLR Audio Connections
Password Protected System Security
Five Year Warranty
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, ±0.25 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
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