Ashly 4.24C manual Specifications, Delay, Crossover, Limiter

Operating Manual - PROTEA SYSTEM II 4.24C Crossover / System Processor

8. SPECIFICATIONS

Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Active Balanced, 18KΩ

Max. Input Level . . . . . . . . . . . . . . . . . . +20dBu

Input Gain Range . . . . . . . . . . . . . . . . . . -40dB to +12dB

Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . Active Balanced, 112Ω

Max. Output Level . . . . . . . . . . . . . . . . . +20dBu

Output Gain Range . . . . . . . . . . . . . . . . -40dB to +12dB

EQ

EQ Filter Types . . . . . . . . . . . . . . . . . . . . 1st or 2nd Order High or Low Shelf, Parametric Shelving Filter Boost/Cut Range . . . . . ±15dB

Shelving Filter Frequency Range . . . . Low Shelf 19.7Hz to 2kHz, High Shelf 3.8kHz to 21.9kHz Parametric Filter Boost/Cut Range . . +15dB/-30dB

Parametric Filter Frequency Range . . 19.7Hz to 21.9kHz, 1/24 Octave Steps Parametric Filter Bandwidth . . . . . . . . Four Octaves to 1/64 Octave

Delay
Input Delay	0-682 milliseconds
Output Delay	0-21.3 milliseconds

Crossover

HPF and LPF Frequency Range . . . . . 19.7Hz to 21.9kHz, Off

Available Filter Types . . . . . . . . . . . . . . 12dB/Oct Butterworth, 12dB/Oct Bessel, 12dB/Oct Linkwitz-Riley 18dB/Oct Bessel, 18dB/Oct Linkwitz-Riley

24dB/Oct Butterworth, 24dB/Oct Bessel, 24dB/Oct Linkwitz-Riley 48dB/Oct Butterworth, 48dB/Oct Bessel, 48dB/Oct Linkwitz-Riley

Limiter

Threshold Range . . . . . . . . . . . . . . . . . . . -20dBu to +20 dBu

Ratio Range . . . . . . . . . . . . . . . . . . . . . . . 1.2:1 to INF:1

Attack Time Range . . . . . . . . . . . . . . . . . 0.5ms to 50ms

Release Time Range . . . . . . . . . . . . . . . . 10ms to 1 Second

Frequency Response	20Hz to 20KHz, ±0.25dB
THD	<0.01% @ 1KHz, +20dBu
Dynamic Range	>110dB 20Hz - 20KHz unweighted
Audio Sampling Rate	48KHz
Propagation Delay	1.46mS
Signal LEDs & Clip	Inputs: -20/Mute, -10, 0, +10, Clip (dBu or VU)
	Outputs: -20/Mute, -10, 0, Limit Threshold, Clip (dBu or VU)

RS232 Cable Distance . . . . . . . . . . . . . . Up to 1300 ft (using high qualtiy cable)

MIDI Cable Distance . . . . . . . . . . . . . . . Up to 500 ft (using high quality cable)

AC Requirements . . . . . . . . . . . . . . . . . . Universal Power Supply, 80-260VAC, 50/60Hz, 30W max Environmental . . . . . . . . . . . . . . . . . . . . . 40°F - 120°F (4°C-49°C) Non-condensing

4.24C Weight . . . . . . . . . . . . . . . . . . . . . . 9 Lbs

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