QSC AD-C821R 8-Inch Ceiling Mount Loudspeaker

Features:

• 8-inch low-frequency woofer
• 1.4-inch 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:

• 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): 61 Hz to 18 kHz
• Useable Frequency Range (-10 dB): 52 Hz to 18 kHz
• Maximum Output 2
• Calculated Peak Output: 120 dB SPL
• Calculated Continuous Output: 114 dB SPL
• Nominal Coverage: 90? conical DMT
• Nominal Impedance: 16 ohms
• Power Rating
• Continuous power handling3: 200 W
• Recommended amplifier power (loudspeaker "program" power): 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 Volume: 18 liter (0.64 ft?)
• 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.