ลำโพงเพดาน  ยี่ห้อ JBL รุ่น CONTROL 45C/T

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.

• Two-Way 5.25″ Coaxial Ceiling Loudspeaker
• 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:
  • 130 mm (5.25 in) polypropylene-coated paper cone with butyl rubber surround.
  • 20 mm (.75 in) soft-dome tweeter on 210 mm (8.25 in) diameter wave guide.
• Bass extension down to 55 Hz.
• 8 ohm and 70V/100V operation.
• Integrated backcan for easy “blind-mount” install. Packaged with grille and tile rails for easy installation.

Specifications

• Frequency Range (-10dB)             55 Hz – 20 kHz
• Frequency Response (±3 dB)       80 Hz – 17 kHz
• Power Rating     IEC System Long-Term Ratings (low-Z direct): 150 Watts Continuous Program Power  / 75 Watts Continuous Pink Noise (300W peak), 100 hrs
• Sensitivity          88 dB (1kHz – 16 kHz)
• Coverage Angle 120° conical, constant directivity
• Directivity Factor (Q)     5.6
• Directivity Index (DI)      7.3 dB
• Maximum SPL (1m)        107 dB (low-impedance, 113 dB peak) / 106 dB (top 70V/100V tap)
• Impedance         8 ohms (in bypass mode)
• Transformer Taps            60W, 30W, 15W, (& 7.5 W @ 70V), plus transformer bypass
• Transformer Insertion Loss          0.76 dB @ 60W, 0.70 dB @ 30W, 0.61 dB @ 15W, 0.58 dB @ 7.5W
• Drivers LF Driver: 130 mm (5.25 in) , HF Driver: 20 mm (0.75 in)
• 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        250 mm (9.9 in) diameter, 239 mm (9.4 in) mounting depth
• Ceiling Cutout Size          220 mm (8.75 in)
• Ceiling Thickness Range                Accommodates tiles / drywall up to 70 mm (2.75 in) thick
• Net Weight        3.9 kg (8.6 lb)
• Shipping Weight              8.6 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
• Color     White
• Backcan         formed steel (included “blind-mount”)
• Baffle/Rim      ABS baffle with UL94-V0 flame class fire rating.
• Plenum Usage   Yes, backcan included