JBL Professional CONTROL 18C/T-BK 2-Way 8-Inch Coaxial Ceiling Loudspeaker, Pair, White

Control 18C/T is a full-range ceiling speaker consisting of a 200 mm (8.0 inch) high tech cone driver and a 25 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. The speaker is designed to provide excellent sound quality for a wide variety of medium to high volume applications such as music cafes, business music systems, retail stores, music/paging systems, airports, reception/waiting rooms, lounges, courtrooms, convention centers, hotels, educational facilities, and more.

Key Features

• 200 mm (8.0 in) high output driver with polypropylene cone and butyl rubber surround
• 25 mm (1.0 in) soft-dome liquid-cooled tweeter
• Blind-mount backcan for quick and easy installation
• Dual conduit/cable clamps
• 58 Hz - 20 kHz bandwidth with 90 degrees coverage
• High 92 dB sensitivity for high maximum SPL
• White or black (-BK)

Technical Specifications

Frequency Range (-10 dB)
58 Hz - 20 kHz
Frequency Response (-,+3 dB)
80 Hz - 16 kHz
Power Capacity (at low-Z)
180 Watts Continuous Program Power
Maxium Input Voltage
31.8 V RMS (2hrs), 63.6 V peak
Nominal Sensitivity
92 dB
Nominal Coverage Angle
90 degrees conical coverage
Directivity Factor (Q)
6.0
Directivity Index (DI)
7.8 dB
Rated Maximum SPL
112 dB @ 1 m (3.3 ft) average, 118 dB peak
Nominal Impedance
8 ohms (in direct/bypass 8 OHM setting)
Transformer Taps
60 W, 30 W, 15 W @ 70V or 100V (plus 7.5 W @ 70V only)
Recommended Protective High-Pass
45 Hz high-pass (24 dB/oct) for 8ohm operation, 60 Hz for 60 W tap, 50 Hz for 30 W, 15 W & 7.5 W tap setting
Crossover Network
12 dB/oct (2nd order) low-pass to LF driver, 12 dB/oct (2nd order) high-pass to HF driver
LF Driver
200 mm (8.0 inch) with polypropylene cone, butyl rubber surround, anodized aluminum voice coil former, high temperature voice coil
HF Driver
25 mm (1.0 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
307 mm diameter x 274 mm depth from back of baffle (12.1 in diameter x 10.8 in depth)
Ceiling Cutout Size
Circular cutout with 282 mm (11.1 in) diameter (cardboard cutout template included)
Ceiling Thickness Range
Up to 38 mm (1.5 in) with stock dog-ears. MTC-TCD thick-ceiling dog-ears available for up to 60 mm (2.4 in) ceiling thicknesses
Safety Seismic Attachment
One point, top surface
Net Weight
6.4 kg (14.1 lbs, one speaker)
Shipping Weight
17.7 kg (39.0 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 with safety tether.
Optional Accessories
MTC-47NC new construction bracket; MTC-47MR mud-ring construction bracket; MTC-TCD thick-ceiling dog-ears for ceiling thicknesses up to 60 mm (2.4 in, ordering one set = 24 dogears for 6 speakers); MTC-48TR tile rail for 1200 mm (4 ft) tile spans