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ACOUSTICAL1
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Operating Frequency Range2
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55 Hz – 18 kHz
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Frequency Response3
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61 Hz – 16.5 kHz ±4 dB
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Phase Response
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80 Hz – 18 kHz ±45°
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Linear Peak SPL4
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138 dB with 19 dB crest factor (M-noise), 134.5 dB (Pink noise), 137 dB (B‑noise)
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COVERAGE
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50° horizontal x 50° vertical (‑6 dB)
60° horizontal x 60° vertical (‑10 dB)
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TRANSDUCERS
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Low Frequency
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One high‑power 15‑inch cone driver with neodymium magnet; 2 Ω nominal impedance
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High Frequency
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One 4‑inch diaphragm compression driver; 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 3‑pin female input with male loop output; optional 5‑pin connectors to accommodate both balanced audio and 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 220 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies
Pin 2: Signal + Pin 3: Signal ‑
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 of +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, Class‑D
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Total Output Power5
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2250 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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Connector
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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 Agency 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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0.27 A rms (115 V AC); 0.25 A rms (230 V AC); 0.29 A rms (100 V AC)
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Maximum Long‑Term Continuous Current (>10 sec)
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2.0 A rms (115 V AC); 1.0 A rms (230 V AC); 2.3 A rms (100 V AC)
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Burst Current (<1 sec)6
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3.6 A rms (115 V AC); 1.8 A rms (230 V AC); 4.1 A rms (100 V AC)
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Maximum Instantaneous Peak Current
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7.8 A pk (115 V AC); 4.0 A pk (230 V AC); 9.1 A pk (100 V AC)
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Inrush Current
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< 20 A peak
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RMS NETWORK (OPTIONAL)
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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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