User manual QSC AUDIO AD-C81TW DATASHEET 6-18-08

[. . . ] AcousticDesignTM Ceiling Mount Subwoofer Features · 8" polypropylene cone woofer · Large port area for extended low-frequency performance · Defeatable passive 120 Hz low-pass filter with impedance compensation · 100 watts continuous power handling, 400 watts peak · 70/100 V multitap transformer with 8 ohm bypass · C-ring and tile rails included · Side cable entry AD-C81T w The AcousticDesign Series of installation loudspeaker products from QSC expands with the new AD-C81Tw ceiling mount subwoofer system. [. . . ] The filter is defeatable from the front baffle to allow the use of outboard crossovers. The attractive aluminum grille is backed with an acoustically transparent white cloth. The input cup is mounted on the side of the enclosure to reduce the amount of vertical clearance necessary to install the speaker. The input cup cover features a conduit attachment point plus an additional knockout for daisy-chain wiring. Input signal connection is made with a high temperature resistant ceramic screw terminal for compliance with European safety standards. The AD-C81Tw is factory shipped with C-rings and tile rails for installation. New construction rings (ADCNCS) and mud rings (ADC-MRS) are also available separately. The AD-C81Tw is equipped with a 70/100 V transformer with multiple taps and an 8 ohm bypass. Specifications Configuration Low-frequency Transducer Frequency Range1 Frequency Response (-6 dB) Useable Frequency Range (-10 dB) Filter Maximum Output2 Ceiling subwoofer, ported 8" (20 cm) weather resistant, polypropylene cone woofer, rubber surround 39 39 Hz ­ 184 Hz 28 Hz ­ 208 Hz 120 Hz low-pass, passive, bypassable 39 118 dB SPL 112 dB SPL 8 39 Handling3 100 W (100 hours IEC) 200 W RMS 92 dB, 2. 83 V, 1 m, free space (4) 39 Custom low distortion laminated core, wide bandwidth design 70 V: 60, 30, 15, 7. 5 W / 100 V: 60, 30, 15 W / 8 selected by switch Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X3 splash rating Listed UL1480, UL2043 safe for use in air handling spaces; Transformer is Listed UL1876; Compliant BS/EN 60849 safety standards 39 Injection molded, high impact polystyrene baffle on a steel enclosure White (paintable) Painted aluminum Ceramic block or 4-pin Euro terminals in fire protective sub-chamber Rails and C-ring for ceiling tile installation 20 lb (9. 1 kg) / 28 lb (12. 7 kg) ADC-MRS Mud ring bracket · ADC-NCS New construction bracket Calculated Peak Output Calculated Continuous Output Nominal Impedance Power Rating RMS Power Recommended Max Amp Power Sensitivity Transformers Type Taps Environmental Agency Rating Enclosure Material Finish Grille Connectors Mounting Hardware Weight - Net / Shipping Available Accessories 1) All frequency ranges specified refer to measured free field response. [. . . ] Patents may apply or be pending. 1675 MacArthur Boulevard · Costa Mesa, CA 92626 · Ph: 800/854-4079 or 714/957-7100 · Fax: 714/754-6174 AD-C81Tw Spec Sheet - 06/18/08 qscaudio. com [. . . ]