QSC AD-C820S 8-Inch Coaxial Ceiling Speaker
QSC AD-C820S 8-Inch Coaxial Ceiling Speaker
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-C820 transducer/baffle assembly for separated backcan installation
- AD-C820 is sold in the following system packages:
- AD-C820S System
- AD-C820 speaker baffle
- AAD-C800BB Backcan assembly
- 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° horizontal and vertical
- 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: AD-C800BB: 18 liter (0.64 ft³)
- Connectors:
- Back box (AD-C800BB): ceramic block connector inputs and “through” connectors (rated for 400 W max). Loudspeaker Baffle (AD-C820): 10-pin Mate-N-LOK™ connector and faston connectors.
- Mounting Hardware: Pre-installed, suspended, back box, four vertical mounting straps. Loudspeaker Baffle: captive, integral Mounting Clamps.
- Weight – Net:
- AD-C820: 8 lb (3.6 kg)
- AD-C800BB: 9.5 lb (4.3 kg)
- System Weight: 17.5 lb (7.9 kg)
- Dimensions:
- Diameter: 14.9-inch (379 mm)
- Enclosure only Depth: 8.3-inch (211 mm)
- Enclosure with mounting straps Depth: 11.2-inch (284 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.
