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Фрагмент инструкции
Factory assemblies shall be comprised of an Atlas Sound Model FC104, 4” high compliance loudspeaker or FA134, 4” coaxial loudspeaker, 70.7/25V or 70.7V transformer and baffle. Models including high compliance Model FC104 Loudspeaker shall have wide angle sound distribution with 135° dispersion (-6dB, 2 kHz octave band). The cone shall be a damped, high compliance type with smooth extended response over a range of 150 Hz to 17 kHz and a power rating of not less than 10 watts program. The magnet shall be a 10 ounce (283g) ceramic type. The 1” (25mm) voice coil shall operate in a magnetic field of at least 10,500 gauss. Voice coil impedance shall be 8 ohms. Sensitivity shall be 94dB [measured 1W/1M]. Free air resonance shall be 101 Hz. Model including high Model FA134 Coaxial Loudspeaker shall have wide angle sound distribution with 130° dispersion (-6dB, 2 kHz octave band). The cone shall be a damped, polypropylene type with smooth extended response over a range of 110 Hz to 20 kHz and a power rating of not less than 15 watts program. The magnet shall be a 10 ounce (283g) ceramic type. The 1” (25mm) woofer voice coil shall operate in a magnetic field of at least 11,300 gauss. High frequency device shall be a 1” (25mm) PEI tweeter. Crossover frequency shall be 8000Hz. Nominal impedance shall be 8 ohms. Sensitivity shall be 88dB [measured 1W/1M]. Free air resonance shall be 80 Hz. Loudspeaker shall include a pre-mounted ____ (70.7/25V or 70.7V) transformer with power taps of ____ (.25, .5, 1, 2, 4 – LT72, .5, 1, 2, 4 – HT47). Transformer frequency response shall be ____ (+/- 1.5dB @ 100 Hz to 10KHz – LT72 or +/-1dB @ 60 Hz to 12 KHz-HT47). Insertion loss shall not exceed ____ (+1.5dB-LT72 or +1dB-HT47). Assemblies without support rails shall mount to enclosure Model ____ or mounting ring Model ____ or tile bridge Model ____ or approved equal. Enclosures shall be Model __________ (96-4, 96-4X, 198-4) and shall be listed by Underwriters Laboratories (UL 1480 General Signaling and accepted under UL 2043 for use in air handling “plenum” spaces). Assemblies with support rails shall include pre-mounted brackets and shall transfer the loudspeaker package weight to the ceiling system support rails. Specifications subject to change without notice AtlasSound.com 1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A. TELEPHONE: (800) 876-3333 / FAX (800) 765-3435 © 2004 Atlas Sound Printed in U.S.A. 000904 ATS001653 RevC 9/04 SL1-1368 ...
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