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SA1521
2-WAY ACTIVE
SPEAKER SYSTEM
USER’S MANUAL
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9. Power Sources — This Mackie product should be connected to a power supply only of the type described in these operation CAUTION AVIS instructions or as marked on this Mackie product. RISK OF ELECTRIC SHOCK DO NOT OPEN 10. Power Cord Protection — Power supply cords should be routed RISQUE DE CHOC ELECTRIQUE so that they are not likely to be walked upon or pinched by items NE PAS OUVRIR placed upon or against them, paying particular attention to cords at CAUTION: TO REDUCE THE RISK OF ELECT
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Lend Me Your Ears According to OSHA, any exposure in ex- cess of these permissible limits could result Exposure to extremely in some hearing loss. To ensure against po- high noise levels may cause permanent hearing loss. In- tentially dangerous exposure to high dividuals vary considerably sound-pressure levels, it is recommended in susceptibility to noise- that all persons exposed to equipment ca- pable of producing these levels use hearing induced hearing loss, but nearly everyone will lose som
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INTRODUCTION Thank you for choosing a Mackie active the high phase shift characteristics of large diameter woofers. sound reinforcement speaker system. The SA1521 is a high-efficiency, extreme More importantly, the amplifier incorpo- output, active two-way, wide dispersion, rates the high-voltage output required to sound reinforcement speaker system. The generate extreme SPL levels. The SA1521 SA1521 benefits from the integration of also features a low-distortion, high-output horn design. This w
ページ5に含まれる内容の要旨
the amplifiers and heatsink. If the tempera- SIGNAL Present Indicator ture should exceed a safe operating level, This LED illuminates whenever there is this indicator lights and the signal is muted a signal present at the MAIN INPUT connec- to allow the amplifiers to cool. When the tor on the rear panel. It senses the signal temperature cools to a safe level once again, just after the Level control, so if the Level the thermal protection circuit deactivates control is turned down, the SIGNAL Pr
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There is also a male XLR connector la- age specified for your model. If the voltage beled LOOP OUT. This is also wired should drop below 97% of the specified line according to the AES standard. voltage, the built-in amplifiers will no longer LOOP OUT connector allows you to The be able to supply rated power. (They will connect more than one SA1521 to your sys- continue to operate down to 80% of the tem. Simply plug the signal source (i.e., rated line voltage, but won’t reach full power, mixer ou
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SERVICE INFORMATION Warranty Service • Is the THERMAL indicator lit red on the If you think your loudspeaker has a rear panel? Make sure there is at least six problem, please do everything you can to inches of free space behind the SA1521. confirm it before calling for service, includ- ing reading through the following Poor bass performance Troubleshooting section. Doing so might • Check the polarity of the connections save you from being deprived of your between the mixer and the loudspeak- Mac
ページ8に含まれる内容の要旨
Repair Service for the SA1521 is available only 5. Include a legible note stating your name, from one of our authorized domestic ser- shipping address (no P.O. boxes), vice stations or at the factory service center daytime phone number, RA number, and a detailed description of the prob- located in Whitinsville, Massachusetts. Service outside the United States can be ob- lem, including how we can duplicate it. tained through local dealers or distributors. 6. Write the RA number in BIG PRINT If yo
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SA1521 SPECIFICATIONS System Specifications Control System Functions Frequency Range (–10 dB): Electronic Crossover Phase Alignment 49 Hz–20 kHz Frequency Response (–3 dB): Time Correction 57 Hz–18 kHz Equalization Electronic System protection Horz. Coverage Angle (–6 dB): 75° averaged 1 kHz to 6 kHz Thermal Overload protection Vert. Coverage Angle (–6 dB): Independent High- and Low-Frequency Driver protection 65° averaged 1 kHz to 6 kHz Sensitivity (1W@1m): Indicator LEDs 100 dB Maximum SPL Lon
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Architects and Engineers’ Specifications The active two-way, full-range loudspeaker Thermal protection shall be provided by system shall incorporate one 15-inch a thermal sensor mounted on the heatsink, low-frequency (LF) transducer and a 1-inch which monitors the heatsink temperature and triggers the thermal protection circuit exit compression driver high-frequency (HF) transducer. The LF driver shall be should the temperature exceed 140º F mounted in a vented enclosure tuned for (60º C). The t
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SA1521 LIMITED WARRANTY Please keep your sales receipt in a safe place. A. LOUD Technologies Inc. warrants all materials, 4. If the Authorized Mackie Service Center is lo- workmanship and proper operation of this Mackie cated in another city, pack the loudspeaker in its SA1521 for a period of five years from the original original shipping carton. More information on date of purchase, with the following exception: packing can be found in the Service section of warranty on all its loudspeaker comp
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16220 Wood-Red Road NE Woodinville, WA 98072 USA US and Canada: 800.898.3211 Europe, Asia, Central and South America: 425.487.4333 Middle East and Africa: 31.20.654.4000 Fax: 425.487.4337 www.mackie.com E-mail: sales@mackie.com
