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ACOUSTICAL1
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Operating Frequency Range2
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13–35 Hz
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Frequency Response3
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13–30 Hz ±4 dB
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Phase Response
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13–30 Hz ±30°
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Linear Peak SPL4
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125.5 dB with crest factor >10.5 dB (M-noise), 125.5 dB (Pink noise)
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COVERAGE
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360° (single unit); varies with number of units and configuration
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TRANSDUCERS
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Low Frequency
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Two 18‑inch long‑excursion low‑resonance cone drivers; 8 Ω nominal impedance
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AUDIO INPUT
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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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Connectors
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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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Wiring5
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Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp 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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0 dBV (1.0 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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2‑channel complementary MOSFET output stages (Class AB/H bridged)
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Total Output Power6
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5600 W peak
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THD, IM, TIM
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< 0.02%
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Cooling
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Three ultra high‑speed primary fans; three ultra high‑speed reserve fans
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AC POWER
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Connectors
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powerCON 32 input
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Automatic Voltage Selection
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208–235 V AC, 50/60 Hz
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Safety Rated Voltage Range
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208–235 V AC, 50/60 Hz
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Turn‑on and Turn‑off Points
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165 V AC turn‑on; 264 V AC turn‑off
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CURRENT DRAW
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Idle Current
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0.6 A rms (230 V AC)
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Maximum Long‑Term Continuous Current (>10 sec)
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10.5 A rms (230 V AC)
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Burst Current (<1 sec)7
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18 A rms (230 V AC)
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Maximum Instantaneous Peak Current
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53 A peak (230 V AC)
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Inrush Current
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< 30 A peak
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RMS NETWORK
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Equipped with 2‑conductor, twisted‑pair network, reporting all amplifier operating parameters to host computer
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