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Ashly Audio Protea 4.24C Speaker Processor

Item #: 
12747416283618064
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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 C... Click To Read More About This Product

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Overview

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.

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
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, ±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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