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Фрагмент инструкции
When used with compatible control equipment, they provide high-intelligibility voice reproduction and signal transmission for indoor or outdoor emergency alarm, protective signaling and intercom system installations. GENERAL DESCRIPTION Atlas Sound AP Series Omni-Purpose loudspeakers are equipped with a compression driver providing up to 15 watts RMS power handling capability, superior intelligibility and dispersion to achieve maximum sound projection and penetration. Weather-resistant metal construction and re-entrant acoustic path assure protection against water, humidity, vermin and corrosion. The Omni-Purpose® mounting bracket allows directional sound dispersion via vertical and horizontal positioning. Provisions are also included for surface or strap mounting to pillars and I-beams. All models include a built-in 25/70.7V Vari-Tap® transformer featuring a screw-driver adjustable, 7-position watt/impedance selection switch. Wiring terminals are protected with a vandal-resistant adapter cover for control equipment utilizing cable or conduit. A built-in, 5 mfd capacitor is provided on Model AP-15TUC(R) for line supervision. Model AP-15TU is not equipped with a capacitor. All models meet or exceed the UL Listed standards for audible signal appliances and are capable of operating within an ambient temp. range of 66°C (150°F) to -35°C (-30°F). Models comply with UL Standard 1480—Speakers for Fire Protective Signaling Systems and California State Fire Marshal (Title 19). Models with special modifications to meet New York City MEA (Calendar no. 57-74-SA) and UL Canada are also available as standard product. Contact Factory. ACCESSORIES BX-2A. Vandal Resistant Cover Plate for Armored Cable and Conduit Connection. Constructed of Cast Aluminum. APXB-G. Optional mounting base for a standard 1-gang APXB-N. 2-gang, or 4" sq. E.O. box. (G-Grey, N-Neutral) TWO Specifications subject to change without notice 1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A. / TELEPHONE: (800) 876-3333 / FAX (800) 765-3435 © 2001 Atlas Sound LP Printed in U.S.A. 000501 SL2-1458 131 Frequency (Hz) Q Di Beamwidth (Degrees) 1000 5.15 7.12 115 2000 13.90 11.43 70 4000 32.20 15.08 40 8000 39.90 16.01 30 Polars Are Normalized To Zero On Axis Frequency (Hz) AP-15TU(C) (Harmonic Distortion - 1.5 watts @ 1 meter) AP-15TU(C) Frequency Response Fundamental 2nd Harmonic 3rd Harmonic MAGNITUDE (dB) Frequency (Hz) 15 watts @1 meter 1 watt @ 1 meter MAGNITUDE (dB) AP-15TU(C) Vari-Tap® Control Connect Center Xfmr. Power Taps Switch Impedance Watts Watts Position (Ohms) @ 25V @ 70.7V 1 5,000 – 1 2 2,500 – 2 3 1,300 .48 3.8 4 666 .94 7.5 5 333 1.8 15 6 89 7.5 X* 7 45 15 X* Mounting Flange 9/32" Dia. 3 Holes 120° APART, ON 2.312 BOLT CIRCLE 1-3/4" 2" 1/2" BANDING SLOT 2-7/8" DIA. Atlas Sound products are designed and tested in our well-equipped research laboratory which contains a fully anechoic chamber, complete analog Bruel & Kjaer measurement equipment and Techron® TEF 20® audio analyzer. Atl...
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