ลำโพงเพดาน ยี่ห้อ JBL รุ่น 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: • 100 mm (4.0 in) high output driver with polypropylene coneand butyl rubber surround • 19 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 • 30 Watts at 8Ω nominal setting • 25W multi-tap at 70V/100V
• 74 Hz – 20 kHz bandwidth with wide 120° coverage
• White or black (-BK)

Specifications

• Frequency Range (-10dB) : 74 Hz – 20 kHz
• Power Rating : IEC System Long-Term Ratings (low-Z direct): / 60 Watts Continuous Program Power / 30 Watts Continuous Pink Noise (120W peak), 100 hr
• Transformer Taps : 25 W, 12.5 W, 6.3 W @ 70V or 100V (plus 3.2 W @ 70V only)
• Frequency Response (±3 dB) : 100 Hz – 20 kHz
• Sensitivity : 87 dB (1kHz – 16 kHz)
• Coverage Angle : 120° conical
• Directivity Factor (Q)  : 7.6
• Directivity Index (DI) : 8.1 dB
• Maximum SPL (1m) : 101 dB (low-impedance, 108 dB peak) , 101 dB (top 70V/100V tap)
• Impedance : 8 ohms (in direct/bypass 8Ω setting)
• Crossover Network : 12 dB/oct (2nd order) low-pass to LF driver, 12 dB/oct (2nd order) high-pass to HF driver
• Drivers  :  LF Driver: 100 mm (4.0 in) , HF Driver: 19 mm (3/4 in)
• Input Connectors : 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 : 196 mm diameter x 181 mm depth from back of baffle (7.7 in diameter x 7.1 in depth)
• Ceiling Cutout Size : 170 mm (6.7 in) diameter (cardboard cutout template included)
• 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 : 2.2 kg (4.8 lbs, one speaker)
• Shipping Weight : 8.2 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
• Color : White or Black
• Backcan : formed steel (included “blind-mount”)
• Baffle/Rim : ABS baffle with UL94-V0 and UL94-5VB flame class fire rating.
• Plenum Usage : Yes, backcan included