SPECIFICATIONS
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AD-C81Tw |
Configuration |
Ceiling subwoofer, ported |
Low-frequency Transducer |
8-inch (20 cm) weather resistant, polypropylene cone woofer, rubber surround |
Frequency Range 1
Frequency Response (-6 dB)
Useable Frequency Range (-10 dB) |
39 Hz to 184 Hz
28 Hz to 208 Hz |
Filter |
120 Hz low pass, passive, bypassable |
Maximum Output 2
Calculated Peak Output
Calculated Continuous Output |
118 dB SPL
112 dB SPL |
Nominal Impedance |
8 ohms switchable |
Power Rating
Continuous power handling3
Recommended amplifier power (loudspeakerprogram" power) |
100 W (100 hours IEC)
200 W |
Sensitivity |
92 dB, 2.83 V, 1 m, free space (4 pi) |
TRANSFORMERS |
Type |
Custom low distortion laminated core, wide bandwidth design |
Taps (switch selected) |
70 V: 60, 30, 15, 7.5 W; 8?
100 V: 60, 30, 15 W; 8? |
Environmental |
Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X3 splash rating |
Agency Rating |
Listed UL1480, UL2043 safe for use in air handling spaces; Transformer is Listed UL1876; Compliant BS/EN 60849 safety standards |
ENCLOSURE |
Material |
Injection molded, high impact polystyrene baffle on a steel enclosure |
Finish |
White (paintable) |
Grille |
Painted aluminum |
Connectors |
Ceramic block or 4-pin Euro terminals in fire protective sub-chamber |
Mounting Hardware |
Rails and C-ring for ceiling tile installation |
Weight |
20 lb (9.1 kg) Net
28 lb (12.7 kg) Shipping |
Available Accessories |
ADC-MRS Mud ring bracket • ADC-NCS New construction bracket |
1All frequency ranges specified refer to measured free field response
2Calculated SPL at 1 m, (free space, 4 pi), speaker operating at rated continuous power with pink noise within specified frequency range
3Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz to 20 kHz band limiting, 6 dB signal crest factor
Specifications are subject to change without notice.
QSC and the QSC logo are registered trademarks of QSC Audio Products LLC in the U.S. Patent and Trademark office and other countries.
AcousticDesign is a trademark of QSC Audio Products, LLC. All other trademarks are the property of their respective owners.
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