Instruction d'utilisation QSC Audio LF-4215

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Cinema Loudspeaker Systems User Manual
LF-4215 and LF-4215-8 Low Frequency Loudspeakers
Introduction
The LF-4215 dual 15” (381mm) low frequency enclosure is designed specifically for cinema
applications. Meeting cinema requirements for extended low frequency response differentiates

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Normal Connection Example: Connections Normal Connection The LF-4215 has barrier strip screw termi- nals for connection. The terminals accept up to #10 AWG stranded loudspeaker wir- ing. Use the largest wire size and shortest wire length possible for a given installa- tion. Observe the polarity markings and keep polarity consistent throughout the system for best performance. Parallel Connection of Second LF-4215 Parallel Connection Example: The terminals marker SPK2 may be used to connect a

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LF-4215 Specifications (subject to change without notice) Frequency Range: 38 - 1300 Hertz (±3 dB) 30 - 1400 Hertz useable range (-10 dB) Nominal Coverage: 100° horizontal X 55° vertical at 600 Hertz Maximum Output: 134.5 dB SPL calculated peak, 1 meter, half space, at rated rms power with 6 dB crest factor pink noise input, 25 - 250 Hertz. 128.5 dBA SPL calculated maximum continuous, 1 meter. The dBA scale is typically used to identify sound sources which can cause permanent hearing loss. Imp

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Warranty (USA only; other countries, see your dealer or distributor) Disclaimer QSC Audio Products, Inc. is not liable for any damage to amplifiers, or any other equipment that is caused by negligence or improper installation and/or use of this loudspeaker product. QSC Audio Products 3 Year Limited Warranty QSC Audio Products, Inc. (“QSC”) guarantees its products to be free from defective material and / or workmanship for a period of three (3) years from date of sale, and will replace defecti