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اسپیکر سقفی جی بی ال (JBL) مدل Control 45C/T

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Two-Way 5.25″ Coaxial Ceiling Loudspeaker
The Control 45C/T is a premium inceiling professional loudspeaker designed for applications that can benefit from extremely wide bandwidth and very consistent coverage from a ceiling speaker with a small footprint.
 
 
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FEATURES
  • Extremely consistent 120° broadband pattern control featuring JBL’s exclusive conical Radiation Boundary Integrator® (RBI™) technology.
     • Very consistent, full-range coverage of listening area while providing a small ceiling footprint.
     • Wide, consistent coverage requires fewer speakers, reducing the cost of the installed system without
       sacrificing performance.
  • Coaxial design featuring:
     • ۱۳۰ mm (5.25 in) polypropylene-coated paper cone with butyl rubber surround.
     • ۲۰ mm (.75 in) soft-dome tweeter on 210 mm (8.25 in) diameter wave guide.
  • Bass extension down to 55 Hz.
  • ۸ ohm and 70V/100V operation.
  • Integrated backcan for easy “blind-mount” install. Packaged with grille and tile rails for easy installation.

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SPECIFICATIONS
 
  Frequency Range (-10 dB)  ۵۵ Hz – ۲۰ kHz
  Frequency Response (+/-3 dB) ۸۰ Hz – ۱۷ kHz
  Power Capacity ۱۵۰ Watts Continuous Program Power
75 Watts Continuous Pink Noise
  Nominal Sensitivity (2.83V/1m) ۸۸ dB
  Nominal Coverage Angle ۱۲۰° conical coverage
  Directivity Factor (Q) ۵٫۶
  Directivity Index (DI) ۷٫۳ dB
  Rated Maximum SPL ۱۰۷ dB @ 1 m (3.3 ft) average, 113 dB peak
  Rated Impedance ۸ ohms (in bypass mode)
  Transformer Taps ۶۰W, 30W, 15W, (& 7.5W @ 70V)
  Transformer Insertion Loss ۰٫۷۶ dB @ 60W, 0.70 dB @ 30W, 0.61 dB @ 15W, 0.58 dB @ 7.5W
  LF Driver ۱۳۰ mm (5.25 in) polypropylene-coated paper cone with butyl rubber surround, 25 mm (1 in) copper voice coil, vented fiberglass resin voice coil former.
  HF Driver ۲۰ mm (0.75 in) soft-dome, neodymium magnet assembly, ferro-fluid cooling, aluminum voice coil former.
  Input Connectors Two removable locking 2-pin connectors with screw-down terminals. Max wire 12 AWG (2.5 mm).
Key: 1) + in, 2) – in, A)+ loop thru, B) – loop thru
  Knockouts Two (top, and side)
  Safety Agency Suitable for use in air handling spaces per UL1480 Speakers for Fire Alarm, Emergency and Commercial and Professional Use, complies with UL-2043 Fire Tests for Heat and Visible Smoke Release for Discrete Products, CUL, NFPA-70, NFPA- 90A Installation of Air Conditioning and Ventilation Systems. In accordance with the requirements of IEC60849/EN60849.
  Dimensions ۲۵۰ mm (9.9 in) diameter, 239 mm (9.4 in) mounting depth
  Cutout Size ۲۲۰ mm (8.75 in)
  Ceiling Thickness Range Accommodates tiles / drywall up to 70 mm (2.75 in) thick
  Net Weight ۳٫۹ kg (8.6 lb)
  Shipping Weight ۸٫۶ kg (19.0 lb), pair pack
  Included Accessories C-ring support backing plate, 2 tile support rails (fits both 2 x 4 ft or 600 x 1200 mm tiles), press-in grille, knockout strain relief, cutout template, paint shield, 2 removable locking multi-pin connectors.
  Optional Accessories MTC-26NC New Construction Bracket
MTC-26MR Mud Ring Construction Bracket