QSC AcousticDesign AD-C820R Ceiling Speaker System (with Back Can and Round Grille)
The AD-C820 assembly includes the coentrant transducers, a 70V/100V transformer and a crossover mounted on an ABS baffle. When ordered as a system (AD-C820R SYSTEM; AD-C820S SYSTEM) the backbox (AD-C800BB) and a round or square grille are included.
AD-C820R SYSTEM
1 qty. AD-C820 speaker baffle
1 qty. AD-C800BB Backcan assembly
1 qty. AD-C800RG Round grille (white, paintable)
The AcousticDesign™ Series of installation loudspeakers has been designed for trouble free operation and versatility. They use custom designed transducers and crossover networks, in combination with an acoustically optimized enclosure (AD-C800BB). These loudspeakers continue the AD Series philosophy of bringing natural and accurate sound quality combined with versatility and reliability to high-ceiling applications.
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-C820 transducer/baffle assembly for separated backcan installation
Specifications
| Configuration |
Passive |
| Low-frequency Transducer |
8" (203 mm) ferrite woofer |
| High-frequency Transducer |
1.4" (36 mm) neodymium compression driver |
Frequency Range
Frequency Response (-6 dB)
Useable Frequency Range (-10 dB) |
61 Hz - 18 kHz
52 Hz- 18 kHz |
Maximum Output
Calculated Peak Output
Calculated Continuous Output |
120 dB SPL
114 dB SPL |
| Nominal Coverage |
90° horizontal and vertical |
| Nominal Impedance |
16 ohms |
Power Rating
RMS Power Handling
Recommended Max Amp 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 Volume |
AD-C800BB: 18 L (0.64 ft 3) |
| 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" (379 mm)
Enclosure only Depth: 8.3" (211 mm)
Enclosure with mounting straps Depth: 11.2" (284 mm) |
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