AD-C821

Ceiling Mount Loudspeaker


Features

  • 8" low-frequency woofer
  • 1.4" diaphragm compression driver
  • 200 watt continuous power rating
  • 70V/100V multi-tap transformer included (system can operate in distributed or low-impedance mode)
  • AD-C821 designed as a fully integrated blind-mount system

AD-C821 is sold in the following system packages:

  • AD-C821R SYSTEM
    • AD-C821 blind-mount loudspeaker system
    • Split ring and tile rails
    • AD-C800RG Round grille (white, paintable)
  • AD-C821S SYSTEM
    • AD-C821 blind-mount loudspeaker system
    • Split ring and tile rails
    • AD-C800SG Square grille (white, paintable)

 

 

SPECIFICATIONS
AD-C821
Configuration Passive
Low-frequency Transducer 8" (203 mm) ferrite woofer
Hight-frequency Transducer 1.4" (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" (340 mm)
Depth: 11.9" (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.