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ACOUSTICAL1
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Operating Frequency Range2
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30 Hz – 125 Hz
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Frequency Response3
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32 Hz – 115 Hz ±4 dB
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Phase Response
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40 Hz – 110 Hz ±30°
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Linear Peak SPL4
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133 dB with crest factor >10 dB (M-noise), 133 dB (Pink noise), 134.5 dB (B-noise)
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COVERAGE
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360° (single unit); varies with number of units and configurations
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TRANSDUCERS
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Low Frequency
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One 18-inch, dual-coil, long-excursion cone driver; 2Ω nominal impedance
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AUDIO I NPUT
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Type
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Differential, electronically balanced
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Maximum Common Mode Range
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±15 V DC, clamped to earth for voltage transient protection
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Connectors5
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XLR 5-pin female input with male loop output; XLR 3-pin female connectors available to accommodate only balanced audio (no RMS signals)
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Input Impedance
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10 kΩ differential between pins 2 and 3
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Wiring
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Pin 1: Chassis/earth through 1 kΩ, 1000 pF, 15 V clamped network to provide virtual ground lift at audio frequencies
Pin 2: Signal + Pin 3: Signal - Pin 4: RMS
Pin 5: RMS
Case: Earth ground and chassis
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Nominal Input Sensitivity
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6.0 dBV (2.0 V rms) continuous is typically the onset of limiting for noise and music
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Input Level
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Audio source must be capable of producing +20 dBV (10 V rms) into 600 Ω to produce the maximum peak SPL over the operating bandwidth of the loudspeaker
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AMPLIFIER
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Type
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Two-channel, open-loop, class D
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Total Output Power6
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3100 W peak
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THD, IM, TIM
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< 0.02%
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Cooling
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Convection
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AC POWER
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Connectors
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powerCON 20 input with loop output
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Automatic Voltage Selection
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90–265 V AC, 50–60 Hz
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Safety Rated Voltage Range
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100–240 V AC, 50–60 Hz
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Turn-on and Turn-off Points
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90 V AC turn-on, no turn-off; internal fuse-protection above 265 V AC
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CURRENT DRAW
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Idle Current
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0.60 A rms (115 V AC), 0.49 A rms (230 V AC), 0.63 A rms (100 V AC)
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Maximum Long-Term Continuous Current (>10 sec)
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4.9 A rms (115 V AC); 2.5 A rms (230 V AC); 5.2 A rms (100 V AC)
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Burst Current (<1 sec)7
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8.8 A rms (115 V AC), 4.7 A rms (230 V AC), 11.0 A rms (100 V AC)
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Maximum Instantaneous Peak Current
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18.2 A peak (115 V AC), 9.2 A peak (230 V AC), 20.6 A peak (100 V AC)
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Inrush Current
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< 20 A peak
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RMS NETWORK
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Equipped with two-conductor twisted-pair network, reporting all operating parameters of amplifiers to system operator’s host computer.
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