Frequency Range 70 Hz – 20 kHz
Frequency Response376 Hz – 18 kHz ±4 dB
Phase Response250 Hz – 18 kHz ±45°
Linear Peak SPL4123.5 dB with 18.5 dB crest factor (M-noise), 121.5 dB (Pink noise), 121 dB (B‑noise)
COVERAGE 80° x 50° (rotatable horn)
Low FrequencyOne 8‑inch cone driver with neodymium magnet; 4 Ω nominal impedance
High Frequency5One 2‑inch compression driver; 12 Ω nominal impedance
TypeDifferential, electronically balancedMaximum Common Mode Range±15 V DC,
clamped to earth for voltage transient protection
Connectors6XLR 3‑pin female input with male loop output; optional 5‑pin XLR connectors accommodate both balanced audio and RMS signals.
Input Impedance10 kΩ differential between pins 2 and 3
WiringPin 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 – (optional polarity reversal switch)
Case: Earth ground and chassis
Nominal Input Sensitivity0 dBV (1.0 V rms) continuous is typically the onset of limiting for noise and music
Input LevelAudio 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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