QSC AD-C821R 8-Inch Ceiling Mount LoudspeakerFeatures:
- 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.
- Frequency Response (-6 dB): 61 Hz to 18 kHz
- Useable Frequency Range (-10 dB): 52 Hz to 18 kHz
- Calculated Peak Output: 120 dB SPL
- Calculated Continuous Output: 114 dB SPL
- Continuous power handling3: 200 W
- Recommended amplifier power (loudspeaker "program" power): 400 W
- 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
- Diameter: 13.4-inch (340 mm)
- Depth: 11.9-inch (302 mm)
