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.
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.
SPECIFICATIONS
| 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 |