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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 & OMEGA; 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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