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Ashly Audio Inc., 847 Holt Road, Webster, NY 14580-9103, Toll Free (800) 828-6308, Telephone (585) 872-0010, FAX (585) 872-0739
Internet: http://www.ashly.com, email: info@ashly.com
Ashly manufactures a complete and comprehensive line of Graphic and Parametric Equalizers,
Electronic Crossovers, Power Amplifiers, Compressor-Limiters, Mixers, and
Amplifier Input Options. Please call, write or visit our web site for information on any of these Ashly Products.
General Specifications Protea System II 4.24C
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:
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 +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
Rear Panel Protea System II 4.24C
Applications:
Distributed Sound, Sound Masking, Multi-Room Installations for Lobby or Under Balcony Speaker Management, FOH Speaker
Management, Delay Towers and Side Fills, Monitor Systems (wedge and in-ear) Tuning and Protection
Misc:
Protea System Software for PC control of the Protea 4.24C may be downloaded free from our website. Use it to control the 4.24C,
4.24D, 4.24G, 4.24GS, 4.24PS, 2.24GS and 2.24PS. Download it now to preview the capabilities of the Protea System II Digital
Products. Protea System Software operates on Windows™ 95, 98, 2000, XP and NT platforms.