| http://www.w3.org/ns/prov#value | - The result is an attractive, durable, installation-ready loudspeaker system that will deliver top-notch sound day-after-day for years to come.Specifications: ??? Frequency range: 62 - 20,000 Hz (-10 dB); 69 - 15,000 Hz (??3 dB) ??? Nominal impedance: 8 ohms ??? Directivity factor (Q): 7.5 ??? Directivity index (DI): 8.8 dB ??? Sensitivity (1W/1m half space): 90 dB ??? Crossover frequency: 2500 Hz
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