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View full detailsThe Control 24C is a compact ceiling speaker providing premium performance in background, foreground and music-plus-paging sound systems. The Control 24C is perfectly suited for a wide variety of applications from professional offices and airports to restaurants and specialty retail stores. High power handling, wide frequency response and low distortion make the Control 24C ideal for sound systems requiring a higher fidelity sound from ceiling loudspeakers. The premium performance capability ensures excellent sound character, providing pleasant, enveloping sound throughout the listening area.
Extremely wide 150° coverage
Smooth frequency response
Packaged with grille, backcan and tile rails for fast installation and easy dealer stocking
Shallow 4-Inch (100 mm) depth
Includes 9-Watt multitap transformer
The Control 24C’s 16 ohm impedance allows use of multiple speakers in parallel without having to use a more expensive constant voltage distributed system. The optional Control 24CT version includes a multitap transformer for 70V/100V systems.
JBL’s exclusive SonicGuard overload protection is a noninvasive loudspeaker protection system that is inaudible to the listener, ensuring reliability while providing full fidelity sound. The computer-optimized ported enclosure delivers warm, smooth bass response. Low frequency output can be further augmented with the addition of one of the Control Contractor subwoofer models.
The 100 mm (4 in) woofer features a polypropylenecoated cone and pure butyl rubber surround for long life, even in high humidity environments. An aluminum voice coil former provides extra cooling for greater longterm power handling.
The coaxially mounted 19 mm (¾ in) titanium coated tweeter ... Show More
The Control 24C is a compact ceiling speaker providing premium performance in background, foreground and music-plus-paging sound systems. The Control 24C is perfectly suited for a wide variety of applications from professional offices and airports to restaurants and specialty retail stores. High power handling, wide frequency response and low distortion make the Control 24C ideal for sound systems requiring a higher fidelity sound from ceiling loudspeakers. The premium performance capability ensures excellent sound character, providing pleasant, enveloping sound throughout the listening area.
Extremely wide 150° coverage
Smooth frequency response
Packaged with grille, backcan and tile rails for fast installation and easy dealer stocking
Shallow 4-Inch (100 mm) depth
Includes 9-Watt multitap transformer
The Control 24C’s 16 ohm impedance allows use of multiple speakers in parallel without having to use a more expensive constant voltage distributed system. The optional Control 24CT version includes a multitap transformer for 70V/100V systems.
JBL’s exclusive SonicGuard overload protection is a noninvasive loudspeaker protection system that is inaudible to the listener, ensuring reliability while providing full fidelity sound. The computer-optimized ported enclosure delivers warm, smooth bass response. Low frequency output can be further augmented with the addition of one of the Control Contractor subwoofer models.
The 100 mm (4 in) woofer features a polypropylenecoated cone and pure butyl rubber surround for long life, even in high humidity environments. An aluminum voice coil former provides extra cooling for greater longterm power handling.
The coaxially mounted 19 mm (¾ in) titanium coated tweeter provides crisp, clear highs. Diffraction-loading of the tweeter provides wide, even coverage of the listening area. The extremely broad 130° coverage pattern allows for fewer speakers to be used, making for a simpler and less expensive installation.
Input connection is conveniently provided on a removable locking connector (included), providing secure connection via screw-down terminals and allowing a system to be prewired before installing the speaker for fast snap-on convenience. Separate connector terminals are available for the input and for the loop-through wires, making it easy to jumper the speaker signal to additional speakers. The input terminal plate provides strain relief for either bare wire, plenum cable or 1/2-inch conduit (12 mm I.D.). The terminal box is securely enclosed to meet safety codes.
The speaker trim and grille are paintable to match any decor. A paint shield is provided for covering the drivers while painting the rim.
Installation of the Control 24C is quick and easy. The loudspeaker is packaged complete with the backcan, grille, support backing bracket and tile rails.
The entire installation can be accomplished without requiring access above the ceiling. A template is provided for marking the cutout. An innovative C-shaped support backing plate can be installed from below through the cutout to reinforce the top of the ceiling material. Tile bridge rails are included which can be screwed onto the C-plate to extend support to the T-channel grid in suspended ceiling installations. After the speaker is fitted through the cutout, it is held securely in place via three mounting tabs which tighten onto the C-plate, if used, or directly onto the ceiling material.
The Control 24C backcan is made of formed steel and the speaker is suitable for use in air handling spaces, per U.L.-2043. An attachment loop is provided on the backcan for cabling to the building structure as a secondary support in seismic areas or where required by code.
The optional Control 24CT includes a 30W multitap transformer for use in either 70.7V or 100V distributedline systems. The transformer effectively limits the power to the speaker, so SonicGuard is not included in the Control 24CT. Taps are selected with a rotary switch conveniently located on the front panel, but protected under the grille, so that the speaker does not have to be removed to adjust tap settings.
All JBL Control Contractor loudspeakers—both ceiling speakers and surface-mount models—are designed with a similar sonic signature, allowing for mixing and matching of the various models within an application, providing a similar tonal character throughout the entire listening area.
System
Frequency Range - (-10 dB)1 80 Hz – 20 kHz
Power Capacity - 80 Watts Continuous Program Power
40 Watts Continuous Pink Noise
Nominal Sensitivity - 86 dB SPL @ 1 m (3.3 ft)
Nominal Coverage Angle - 130° conical coverage
Directivity Factor - (Q) 2.4 averaged 500 Hz to 4 kHz
Directivity Index - (DI) 3.8 averaged 500 Hz to 4 kHz
Rated Maximum SPL - 102 dB @ 1 m (3.3 ft)
Nominal Impedance - (24C) 16 ohms (Min Z 16.1 Ω @ 320 Hz)
Transformer Taps - (24CT) 070V: 30W, 15W, 7.5W & 3.7W taps
100V: 30W, 15W, & 7.5W taps
Transducers
Low Frequency - 100 mm (4.0 in) Polypropylene-coated, 1” coil on aluminum former
High Frequency - 19 mm (0.75 in) Titanium coated polyester
Physical
Enclosure - Backcan: Formed steel
Baffle/Rim: Medium impact polystyrene, fire rated UL94V-0
Overload Protection - Full-range power limiting to protect network and transducers. (On Control 24C, not on Control 24CT)
Termination - Removable locking connector with screw-down terminals. 2 input terminals and 2 loop-thru output terminals. Max. wire size 12 AWG (2.5 mm).
Safety Agency Rating - Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849.
Outside Dimensions (H x Dia) - 200 x 195 mm (7.9 x 7.7 in)
184 mm (7.2 in) front of ceiling tile to back of backcan
Cutout Size - 168 mm (6.6 in)
Net Weight (each) - 2.7 kg (6 lb) 1 CT: 3.5 kg (8 lb)
Shipping Weight (pair) - 6.4 kg (15 lb) CT: 8.0 kg (18 lb)
Included Accessories - C-shaped support backing plate, 2 tile support rails (fits both 2 x 4 ft or 600 x 1200 mm tiles), Cutout template, Paint shield, Removable locking wiring connector
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