Manual de instrucciones de Mackie SRM450

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S R M 4 5 0 S R M 4 5 0
Active Speaker System S R M 4 5 0
Active Speaker System
Active 2-Way Sound
SRM450
Reinforcement Speaker System
 The Mackie Designs SRM450 is a full range, portable,
active loudspeaker system providing high output, wide
dispersion, and low distortion performance in a compact,
composite molded enclosure. Two amplifiers independent-
ly power a high precision 12-inch professional woofer and
1.75-inch diaphragm titanium compression driver with a
1-inch exit throat. A so

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S R M 4 5 0 S R M 4 5 0 S R M 4 5 0 Active Speaker System Active Speaker System Active Speaker System SRM450 Specifications System Acoustic Low Frequency Section Frequency Response (–3 dB) 55 Hz-18 kHz Number of Drivers 1 Frequency Range (–10 dB) 45 Hz-20 kHz Woofer Diameter 12 in/300 mm Directivity Factor; Q (DI) 9.95 (9.98), averaged Voice Coil Diameter 2.5 in/63 mm 1

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S R M 4 5 0 S R M 4 5 0 S R M 4 5 0 Active Speaker System Active Speaker System Active Speaker System SRM450 Vertical Polars 90 ° 90 ° 60 ° 60 ° 120 ° 120 ° 150 ° 30 ° 150 ° 30 ° 500Hz 200Hz 630Hz 250Hz 180 ° 180 ° 0 ° 0 ° –36 –12 800Hz –36 –12 315Hz 1kHz 400Hz 210 ° 210 ° 330 ° 330 ° 240 ° 240 ° 300 ° 300 ° 270 ° 270 ° 90 ° 90 ° 60 ° 60 ° 120 ° 120 ° 150 ° 30 ° 150 ° 30 ° 1.25kHz 3.15kHz 1.6kHz 4kHz 180 ° 180 ° 0 ° 0 ° –36 –12 2kHz –36 –12 5kHz 2.5kHz 6.3kHz 210 ° 210 ° 330 ° 330 ° 240 ° 240 °

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S R M 4 5 0 S R M 4 5 0 S R M 4 5 0 Active Speaker System Active Speaker System Active Speaker System SRM450 Horizontal Polars 0 ° 0 ° 330 ° 30 ° 330 ° 30 ° –12 –12 300 ° 60 ° 300 ° 60 ° –36 –36 200Hz 500Hz 250Hz 630Hz 270 ° 90 ° 270 ° 90 ° 315Hz 800Hz 400Hz 1kHz 240 ° 240 ° 120 ° 120 ° 210 ° 150 ° 210 ° 150 ° 180 ° 180 ° 0 ° 0 ° 330 ° 30 ° 330 ° 30 ° –12 –12 300 ° 60 ° 300 ° 60 ° –36 –36 1.25kHz 3.15kHz 1.6kHz 4kHz 270 ° 90 ° 270 ° 90 ° 2kHz 5kHz 2.5kHz 6.3kHz 240 ° 240 ° 120 ° 120 ° 210 ° 150

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14.8 in/376 mm 26.0 in/660 mm S R M 4 5 0 S R M 4 5 0 Active Speaker System Active Speaker System S R M 4 5 0 Active 2-Way Sound SRM450 Frequency Response On-Axis 110 Reinforcement Speaker System 100 90 80 70 20 100 1000 10000 20000 Frequency (Hz) SRM450 Beamwidth vs. Frequency SRM450 Directivity Index 360 20 100 300 240 180 10 10 Vert BW 120 Horz BW 60 0 1 0 20 100 1000 10000 20000 20 100 1000 10000 20000 Frequency (Hz) Frequency (Hz) SRM450 Input Panel THERMAL PEAK SIGNAL PRESENT NORMAL (+4dB

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S R M 4 5 0 S R M 4 5 0 Active Speaker System Active Speaker System S R M 4 5 0 Active 2-Way Sound Architects’ and Engineers’ Specifications Reinforcement Speaker System The active two-way, full-range loudspeaker system Thermal protection shall be provided by a thermal shall incorporate one 12-inch low-frequency (LF) trans- sensor mounted on the heatsink, which monitors the ducer and a 1-inch exit/1.75-inch diaphragm compression heatsink temperature and triggers the thermal protection driver