QSC AD-C820R 8" High-Power ceiling speaker , ลำโพงเพดาน , ลำโพงฝังฝ้า , ลำโพงติดเพดาน

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): 61 Hz - 18 kHz
  - Useable Frequency Range (-10 dB): 52 Hz- 18 kHz
  *All frequency ranges specified refer to measured half-space response (2 pi).
• Maximum Output**:
  - Calculated Peak Output: 120 dB SPL
  - Calculated Continuous Output: 114 dB SPL
  **Calculated maximum peak SPL at 1 m, half-space, speaker operating at rated rms power pink noise input, 50 Hz – 20 kHz.
• Nominal Coverage: 90° horizontal and vertical
• Nominal Impedance: 16 ohms
• Power Rating:
  - RMS Power Handling***: 200W
  - Recommended Max Amp Power: 400 W
  ***Maximum input power tested in accordance with IEC recommendations; 50 Hz – 20 kHz band limiting, 6 dB signal crest factor.
• 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)