اسپیکر سقفی جی بی ال (JBL) مدل کنترل Control 14C/T
Two-Way 4″ Coaxial Ceiling Loudspeaker
Control 14C/T is a full-range ceiling speaker consisting of a 100 mm (4 inch) high tech cone driver and a 19 mm soft-dome liquid cooled tweeter mounted in a vented, paintable baffle made of UV resistant UL94-V0 and UL94-5HB material, with a pre-attached blind-mount backcan for quick and easy installation.
FEATURES
Components:
- ۱۰۰ mm (4.0 in) high output driver with polypropylene coneand butyl rubber surround
• ۱۹ mm (0.75 in) soft-dome liquid-cooled tweeter - Blind-mount backcan for quick and easy install
- Dual conduit/cable clamps
- Combined 70V/100V and low impedance direct operation
• ۳۰ Watts at 8Ω nominal setting
• ۲۵W multi-tap at 70V/100V - ۷۴ Hz – ۲۰ kHz bandwidth with wide 120° coverage
- White or black (-BK)
SPECIFICATIONS
| Frequency Range (-10 dB) | ۷۴ Hz – ۲۰ kHz | |
| Power Capacity (at low-Z) | ۶۰ Watts Continuous Program Power ۳۰ Watts Continuous Pink Noise |
|
| Transformer Taps | ۲۵ W, 12.5 W, 6.3 W @ 70V or 100V (plus 3.2 W @ 70V only) |
|
| Frequency Response (±۳ dB) | ۱۰۰ Hz – ۲۰ kHz | |
| Nominal Sensitivity | ۸۷ dB | |
| Nominal Coverage Angle | ۱۲۰° conical coverage | |
| Directivity Factor (Q) | ۷٫۶ | |
| Directivity Index (DI) | ۸٫۱ dB | |
| Rated Maximum SPL | ۱۰۲ dB @ 1 m (3.3 ft) average, 108 dB peak | |
| Nominal Impedance | ۸ ohms (in direct/bypass 8Ω setting) | |
| Crossover Network | ۱۲ dB/oct (2nd order) low-pass to LF driver, ۱۲ dB/oct (2nd order) high-pass to HF driver |
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| LF Driver | ۱۰۰ mm (4.0 inch) with polypropylene cone, butyl rubber surround, anodized aluminum voice coil former, high temperature voice coil | |
| HF Driver | ۱۹ mm (3/4 in), highly-damped treated-silk dome, Kapton™ voice coil, liquid cooling, wide dispersion waveguide | |
| Input Connector | Removable locking 4-pin connector with screw-down terminals. Max wire size 12 AWG (2.5 mm2) |
|
| Connector Wiring | Pin 1 = + In; Pin 2 = – In; Pin 3 = + Loop Thru; Pin 4 = – Loop Thru | |
| Strain Reliefs | Strain relief for two cables or two flex conduits via coupled clamping mechanism | |
| Materials | ABS baffle with UL94-V0 and UL94-5VB flame class fire rating. Zinc-plated steel backcan |
|
| Safety Agency | UL1480, UL2043, NFPA90 & NFPA70; S7232/UL Listed, Suitable for use in air handling spaces, Signaling Speaker; Transformer UL registered per UL1876; ROHS, C-tick N108, CE compliant; Baffle meets UL94-V0 and UL94-5VB flammability rating; In accordance with IEC60849/EN60849 systems | |
| Dimensions | ۱۹۶ mm diameter x 181 mm depth from back of baffle (۷٫۷ in diameter x 7.1 in depth) |
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| Ceiling Cutout Size | Circular cutout with 170 mm (6.7 in) diameter (cardboard cutout template included) |
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| Ceiling Thickness Range | Up to 35 mm (1.4 in) with stock dog-ears. MTC-TCD thick-ceiling dog-ears available for up to 55 mm (2.2 in) ceiling thicknesses | |
| Safety Seismic Attachment | One point, top surface | |
| Net Weight | ۲٫۲ kg (4.8 lbs, one speaker) | |
| Shipping Weight | ۸٫۲ kg (17.9 lbs, pair in master carton) | |
| Included Accessories | C-ring support backing plate, 2 tile support rails (for 2 ft or 600 mm tile spans; optional MTC-48TR extension available for larger 4 ft or 1200 mm tile spans), cutout template, paint shield, removable locking multi-pin connector, grille | |
| Optional Accessories | MTC-24NC new construction bracket MTC-24MR mud-ring construction bracket MTC-TCD thick-ceiling dog-ears for ceiling thicknesses up to 55 mm (2.2 in, ordering one set = 24 dog-ears for 8 speakers) MTC-48TR tile rail for 1200 mm (4 ft) tile spans |