Installed Sound-Reinforcement Loudspeaker
ลำโพงรุ่น BOSE : Panaray 402-IV ประกอบด้วยลำโพง 4.5 นิ้วจำนวน 4 ตัว มีระยะความถี่ของสัญญาณอยู่ระหว่างที่ 73 Hz – 15 kHz และสามารถติดตั้งได้ทั้งภายในและภายนอกตัวอาคารได้
The Panaray® 402® Series IV installed sound-reinforcement loudspeaker features a full-range-driver array, eliminating the need for tweeters and crossovers, to provide unsurpassed reliability and vocal clarity. The Articulated Array® design, with wide 120° x 60° coverage, can reduce the number of required loudspeakers, while the 73-Hz low-frequency range can eliminate the need for subwoofers, providing a cost-effective solution for many indoor or outdoor installed sound-reinforecement applications.
Features :
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Full-Range-Driver Array eliminates tweeters and crossovers for unsurpassed reliability in harsh environments and vocal clarity
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4 x Bose 4.5-inch full-range drivers for legendary reliability
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120° x 60° Articulated Array® design covers a very wide area, which can reduce the number of loudspeakers required
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73 Hz - 15 kHz frequency range eliminates need for subwoofers for moderate full-range music levels
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119 dB peak SPL for sound-reinforcement and foreground music
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Rugged, lighweight enclosure with threaded inserts for easy installations
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Weather-Rated design for indoor or outdoor installations
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Requires active equalization
Technical Summary :
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Frequency Range (-10 dB) : 73 Hz – 15 kHz
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Nominal Coverage Pattern (H x V) : 120° H x 60° V
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Long-Term Power Handling : In Bose extended-lifecycle test⁴: 120 W and in AES transducer test⁵: 150 W
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Power Handling, Peak : In Bose extended-lifecycle test⁴: 480 W and in AES transducer test⁵: 600 W
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Sensitivity (SPL / 1 W @ 1 m) : 91 dB SPL
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Calculated Maximum SPL @ 1 m : In Bose extended-lifecycle test⁴: 112 dB and in AES transducer test⁵: 113 dB
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Calculated Maximum SPL @ 1 m, peak : In Bose extended-lifecycle test⁴: 118 dB and in AES transducer test⁵: 119 dB
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Nominal Impedance : 8 Ω
Technical Information :
Manuals :