ราคา 28,050.00 บาท
ราคาปกติ : 33,000.00 บาท
ประหยัดไป 4,950.00 บาท
8" High-power ceiling speaker 70V/100V multi-tap transformer
The QSC AD-C821R High-Output Ceiling Mount Loudspeaker (Round Grille) is a fully integrated, sealed loudspeaker system designed for music playback, public address and distributed audio in applications that require high output from a ceiling mounted loudspeaker. The AcousticDesign Series of installation loudspeakers has been designed for trouble-free operation and versatility.
The AD-C821 is a factory sealed system using a "dog-ear" style mounting scheme. These loudspeakers continue the AD Series philosophy of bringing natural and accurate sound quality combined with versatility and reliability to high-ceiling applications. This assembly includes a set of tile rails and a split ring. Round grille included.
Features
AD-C821R Packages Includes:
SPECIFICATIONS
|
AD-C820 | 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° horizontal and vertical | |
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 | AD-C800BB: 18 liter (0.64 ft³) | 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. | Two 2-pin Euro-style connectors |
Mounting Hardware |
Pre-installed, suspended, back box, four vertical mounting straps. Loudspeaker Baffle: captive, integral Mounting Clamps. |
Captive, integral Mounting Clamps. Insert enclosure into mounting hole, and tighten. Suspended ceiling Split-ring and Suspended Ceiling Tile Rails - sold separately. |
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) |
16 lb (7.3 kg) |
Dimensions |
Diameter: 14.9" (379 mm) Enclosure only Depth: 8.3" (211 mm) Enclosure with mounting straps Depth: 11.2" (284 mm) |
Diameter: 13.4" (340 mm) Depth: 11.9" (302 mm) |