JBL Control 24CT Background/Foreground Ceiling Speaker with Built-in Transformer, Pair, White

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About JBL 24CT In-Ceiling Speaker

The full, high-quality sound of the compact JBL Control 24CT Ceiling Speaker System (White) is ideal for medium volume paging and background music applications including restaurants, professional offices and retail. Installation is possible without ceiling access and the built-in voltage transformer allows for additional speakers and system flexibility.

Use the Control 24CT with other High/Mid response Control Contractor Systems to achieve a more flexible system capable of mixing and matching zones without separate equalization. Low frequencies may be augmented using a Control Contractor subwoofer.

JBL 24CT In-Ceiling Speaker Features

  • Coaxially mounted 100 mm (4 in) woofer with butyl rubber surround and 19 mm (3/4 in) titanium coated diffraction-loaded tweeter
  • High power, wide frequency response and low distortion for high sound level capability
  • Wide coverage allows fewer speakers, reducing the cost of the installed sound system without sacrificing performance
  • JBL's exclusive SonicGuard overload protection allows higher operational levels and improved system reliability (24C only)

JBL 24CT In-Ceiling Speaker Specifications

Freq. Range (-10 dB)
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
130deg. 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
16 ohms (Min Z 16.1 Ohm @ 320 Hz)
100 mm (4.0 in) Polypropylene-coated, 1" coil on aluminum former
19 mm (0.75 in) Titanium coated polyester
Backcan: Formed steel
Baffle/Rim: Medium impact polystyrene, fire rated UL94V-0
Removable locking connector with screw-down terminals. 2 input terminals and 2 loop-thru output terminals. Max. wire size 12 AWG (2.5 mm)
Cutout Size
168 mm (6.6 in)
Dimensions (H x Dia)
Outside Dimensions: (H x W) 4.2 x 7.7"(106 x 195mm)
4.1" 105mm) front of ceiling tile to back of the back can
4.4 lbs (2kg) each
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