| SPECIFICATIONS |
AD-C821 |
| Configuration |
Passive |
| Low-frequency Transducer |
8-inch (203 mm) ferrite woofer |
| Hight-frequency Transducer |
1.4-inch (36 mm) neodymium compression driver |
Frequency Range 1
Frequency Response (-6 dB)
Useable Frequency Range (-10 dB) |
61 Hz to 18 kHz
52 Hz to 18 kHz |
Maximum Output 2
Calculated Peak Output
Calculated Continuous Output |
120 dB SPL
114 dB SPL |
| Nominal Coverage |
90° conical DMT |
| Nominal Impedance |
16 ohms |
Power Rating
Continuous power handling3
Recommended amplifier power
(loudspeaker “program” power) |
200 W
400 W |
| Sensitivity |
91 dB SPL, 1W/1m |
| Bass Loading |
Ported |
| Transformer Type |
Custom low distortion laminated core, wide bandwidth design |
| Transformer Taps |
100 V: 16 ohms bypass, 100 W, 50 W, 25 W
70 V: 16 ohms bypass, 100 W, 50 W, 25 W, 12.5 W |
| Agency Rating |
CE, UL 1480 (commercial/professional use) UL 2043 (air handling spaces) |
ENCLOSURE
|
| Enclosure Volume |
18 liter (0.64 ft³) |
| Connectors |
Two 2-pin Euro-style connectors |
| Mounting Hardware |
Captive, integral Mounting Clamps. Insert enclosure into mounting
hole, and tighten. Suspended ceiling Split-ring and
Suspended Ceiling Tile Rails – sold separately. |
| Weight – Net |
16 lb (7.3 kg) |
| Dimensions |
Diameter: 13.4-inch (340 mm)
Depth: 11.9-inch (302 mm) |
1 All frequency ranges specified refer to measured half-space response (2 pi).
2 Calculated maximum peak SPL at 1 m, half-space, speaker operating at rated rms power pink noise input, 50 Hz to 20 kHz.
3 Maximum input power tested in accordance with IEC 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. MATE-N-LOK is a trademark of Tyco. All other trademarks are the property of their respective owners.
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