اسپیکر سقفی جی بی ال (JBL) مدل Control 45C/T
Control 45C/T – New
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.
- 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
- 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.
|Frequency Range (-10 dB)||۵۵ Hz – ۲۰ kHz|
|Frequency Response (+/-3 dB)||۸۰ Hz – ۱۷ kHz|
|Power Capacity||۱۵۰ Watts Continuous Program Power
۷۵ 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