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ACOUSTICAL1
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Operating Frequency Range2
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55 Hz – 20 kHz
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Frequency Response3
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66 Hz – 18 kHz ±4 dB
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Phase Response
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750 Hz – 18 kHz ±45 degrees
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Linear Peak SPL4
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125 dB with 18 dB crest factor (M-noise), 122.5 dB (Pink noise), 125 dB (B‑noise)
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COVERAGE5
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50° x 80° or 80° x 50° (rotatable horn)
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TRANSDUCERS
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Low Frequency
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One 10‑inch cone driver; 4 Ω nominal impedance
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High Frequency
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One 3‑inch diaphragm compression driver; 16 Ω 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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Connectors
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Phoenix 5‑pin Male; SwitchCraft 5‑pin Male; ECO‑M 7‑pin Male (two pins for 48 V DC power, three pins for balanced audio)
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Input Impedance
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10 kΩ differential between positive (+) and negative (–) audio pins
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Wiring6
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Phoenix 5‑pin Male Pin 1: DC Power (‑) Pin 2: DC Power (+)
Pin 3: Chassis/earth through
1 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies
Pin 4: Audio (‑)
Pin 5: Audio (+)
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SwitchCraft EN3 5‑pin Male Pin 1: DC Power (‑)
Pin 2: DC Power (+)
Pin 3: Chassis/earth through
1 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies
Pin 4: Audio (‑)
Pin 5: Audio (+)
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ECO‑M 7‑pin Male5 Pin 1: DC Power (‑) Pin 2: DC Power (+)
Pin S: Chassis/earth through 1 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies
Pin 5: Audio (‑)
Pin 6: Audio (+)
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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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2‑channel, Class‑D
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Total Output Power7
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550 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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DC POWER
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Connector
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Phoenix 5‑pin Male; SwitchCraft 5‑pin Male; ECO‑M 7‑pin Male (two pins for 48 V DC power, three pins for balanced audio)
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Safety Rated Voltage Range
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48 V DC
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RMS NETWORK (OPTIONAL ON REQUIRED MPS-488HP POWER SUPPLY))
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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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