Protea Digital Processors

Protea 3.24CL Speaker Processor

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General 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

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