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PROTEA 3.24CL DIGITAL CROSSOVER/SYSTEM PROCESSOR
Three inputs and six outputs coupled with an incred-
ibly easy front panel user interface, the Ashly Protea
System II 3.24CL Digital Crossover/System Processor
has all the audio processing tools you need for pre-
cise crossover, system sound control and superior
sonic quality.
Each input allows you to control gain, delay and six
filters (each of them your choice of parametric, low
or high shelf). Each output permits you to set your
crossover frequencies and may be assigned to any
one or a combination of inputs. Additionally, you can
program four filters (each of them your choice of
parametric, low or high shelf), control delay for time
delay adjustments, adjust output gain, reverse polar-
ity and control a compressor/limiter for speaker pro-
tection. All this in one rack space with XLR input and
output connections.
• Three Inputs - Six Outputs
• Extremely Intuitive User Interface
• Programmable by Front Panel
• Superior Sonic Quality
• One Rack Space
• 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: 1/64th to 4 Octave Range
• Input and Output Delay
• Limiter on Each Output
• Individual Input and Output Metering
• Balanced Inputs and Outputs
• XLR Audio Connections
• Factory Loaded/Editable Presets
• Four Levels of Security
Common Applications
Conventional PA Systems
Stereo 3-way low-mid-high system
Up to three 2-way monitor mixes
Up to six single monitor mixes
Portable and Small Club Venues
Stereo 2-way for full range, compact, portable loud-
speakers and aux fed sub
Houses of Worship
L-C-R configurations
Multi-zoned systems
Product Information
SPECIFICATIONS:
Input:
Active balanced, 18kOhms
Max. input level:
+20dBu
Output:
Active balanced, 100Ohms
Max. output level:
+20dBu
Frequency response:
20Hz-20kHz, ±0.25dB
THD:
<0.01% @1kHz, +20dBu
Dynamic range:
>110dB (20Hz-20kHz) unweighted
Output noise:
<-90dBu unweighted
EQ filters:
Number:
6 per Input, 4 per output
Parametric
Bandwidth:
1/64th octave to 4 octave
Range:
+15/-30dB, 0.1dB increments
Frequency 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:
+/-15dB, 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, 245 step increments
Low pass filter
Type:
Linkwitz-Riley, Bessel, Butterworth
Slope:
12, 18 and 24dB/octave
Frequency range:
Off to 21.983.3kHz, 245 step increments
Delay
Input maximum delay:
682.5ms
Output maximum delay:
21.33ms
Increment:
20µs
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 +20dBu, 1dB
increments
Ratio:
1.2 :1 to Infinity
(1.2, 1.5, 2., 3, 4, 6, 10, 20, Infinite:1)
Attack:
0.5ms to 50ms per dB
Release:
10ms to 1 sec. per dB
Range:
20Hz to 10.6kHz
Processor:
Input A/D:
24 bit
Output D/A:
24 bit
Processor:
24 bit, 56 bit accumulator
Sample rate:
48kHz
Propagation delay:
1.46ms
Other:
Power requirements:
80–260VAC, 30W
Shipping weight:
10 lbs
Dimensions:
19.0" L x 1.75" H x 6.0" D
I/O connectors:
XLR
Environmental:
40–120 deg. F, non-condensing