Frequency Range (-10dB) 60 Hz - 19 kHz Frequency Response (±3 dB) 75 Hz - 17 kHz Power Rating 350 watts continuouspink noise1400 watts peak Sensitivity 99 dB-SPL half-space / wall-mounted97 dB-SPL free-field Maximum Peak SPL 130 dB/1m Nominal Impedance 8 ohms Horizontal Coverage Angle (-6dB) 100° averaged 400 Hz to 12 kHz Vertical Coverage Angle (-6dB) 80° averaged 400 Hz to 12 kHz Directivity Factor (Q) 7 averaged 400 Hz to 12 kHz Directivity Index (DI) 8.4 dB averaged 400 Hz to 12 kHz Crossover Frequency 1.4 kHz High Frequency Contour ISO2969 Curve X surround contour Polarity EIA (Positive voltage to RED terminal gives forward cone motion) Low Freq Transducer Nominal Diameter 250 mm (10 in)64 mm (2.5 in) voice coil High Freq Transducer Nominal Diameter 25 mm (1 in) exit38 mm (1.5 in) voice coil Downward Firing Angle Nominal 20° when mounted flush on back panel Enclosure Material Textured Black H.I.P.S. Plastic Grille Color Black Input Connectors 5-way binding posts Dimensions (H x W x D)