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Ashly Audio Protea 4.24GS 4-Channel Graphic EQ Sys Processor

Item #: 
12747416283778072
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The Ashly Proteo 4.24GS allows for the installation of multiple channel graphic equalizers where tamperproof, sound shaping equalization is required. Easily control and program the 4.24GS from the 4.2... Click To Read More About This Product

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Overview

The Ashly Proteo 4.24GS allows for the installation of multiple channel graphic equalizers where tamperproof, sound shaping equalization is required. Easily control and program the 4.24GS from the 4.24G Main Unit, 4.24RD Remote Control, with a MIDI controller, or with Ashly's exclusive Protea System Software running on a PC. The Protea 4.24GS is housed in an all-steel, 2RU chassis, and has two independent channels of fully programmable 28-band graphic EQ with with limiter, high- and low-pass filter, and time delay functions.

Each channel allows for 28 bands of 1/3-octave, ISO centered, constant Q filters, ranging from 31Hz to 16kHz. High and low pass filters are 24dB/octave adjustable from 20Hz 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. The 4.24GS displays individual channel numbers with 7-segment displays. Discrete LEDs indicate signal present and signal clip levels. Rear-panel connections include balanced XLR and 1/4" ins/outs for each channel, RS-232, MIDI In, Out/Thru, and Ashly's exclusive digital remote control protocol via two standard XLR connectors.

FEATURES

24 Bit A/D ” D/A Audio Resolution
24 Bit/100 MHz (x2) Digital Signal
Processing
Four 28-Band 1/3 Octave Channels of EQ
Programmable Compressor/Limiter
Programmable Delay up to 1.364 Seconds
Programmable High and Low Pass Filters
Control From 4.24G, 4.24RD, PC 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
±15dB 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: Constant Q, Reciprocating
Number: 4 X 28
Filter Spacing: 1/3 Octave
Range: ± 15dB, 0.5dB Increments
Q: Fixed, 3.2

Power Requirements: 90-125VAC, 50-60Hz, 30W, 180-250VAC 50-60Hz, 30W
Shipping Weight: 14 lbs
Dimensions: 19"L x 3.5"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; 1.2:1, 1.5:1, 2:1, 3:1, 4:1, 6:1, 10:1, 20:1, inf:1) (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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