User manual ALTEC LANSING CD912-8A CEILING SPEAKER

[. . . ] CD912 Series 12" Ceiling Speaker PROFE S S IONA l FEATURES ­ THE ALTEC LANSING DIFFERENCE · High Fidelity Duplex® 12 inch / 300 mm Speaker · High Performance 125 W EIA / 500 W peak power handling · Point-Source design for superior speech intelligibility · Corrosion resistant, die-cast speaker frame · Special moisture resistant cone material · Two low insertion loss transformers available GENERAL PRODUCT DESCRIPTION Twelve-inch Duplex® speakers from Altec Lansing are the most popular hotel ballroom ceiling speakers in the world. [. . . ] Wilshire Blvd. , Suite 362 · Oklahoma City, Oklahoma 73116 · Phone: 1-405-848-3108 · Fax: 1-405-848-3217 · www. altecpro. com ARCHITECTS & ENGINEERS SPECIFICATION The loudspeaker shall be an Altec Lansing Professional CD912-8A Duplex® with a 12 inch (300 mm) diameter moisture resistant woofer, a broad dispersion dome tweeter with heat resistant voice coil and a die-cast corrosion-resistant speaker frame. The frequency response shall be 75 to 15, 000 Hz +/- 5 dB with a sensitivity of 100 dB @ 1 W 1 m. Optional transformers shall be the T516-71 (16 Watt, 70 V/100 V) or the T532/71 (32 Watt, 70 V/100 V). ENCLOSURES AND BAFFLES The CD912-8A ceiling speaker will fit on a standard 12 inch (300 mm) baffle, enclosures and back boxes. Please note that larger volume enclosures will result in altered low frequency performance. SAFETY CONSIDERATION 1. Appropriate connectors with suitable ratings must be used to make all installation connections. [. . . ] Wilshire Blvd. , Suite 362 Oklahoma City, Oklahoma 73116 Phone: 1-405-848-3108 · Fax: 1-405-848-3217 Web: www. altecpro. com · Email: proinfo@alteclansing. com CD912-SS REV06 [. . . ]