Operating Manual - PROTEA SYSTEM II 4.24C Crossover / System Processor
16
8. SPECIFICATIONS
Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Active Balanced, 18K
Ω
Max. Input Level . . . . . . . . . . . . . . . . . . +20dBu
Input Gain Range . . . . . . . . . . . . . . . . . . -40dB to +12dB
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . Active Balanced, 112
Ω
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
