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Control24C /CT Micro
Background
Music
Ceiling Speaker
Key Features:
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Extremely wide 150° coverage.
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Smooth frequency response.
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Components:
• 4½ inch (115 mm) woofer, injection
molded graphite cone with butyl
rubber surround.
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• ½ inch (12 mm) polycarbonate
tweeter for extended response.
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Control 24C Micro is 8 ohms and
handles 15W.
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Control 24CT Micro includes 8W multi-
tap transformer for 70V/100V systems.
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Shallow 4-inch (100 mm) depth.
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Packaged with grille, backcan and tile
rails for fast installation and easy dealer
stocking.
Applications
The Control 24C Micro and Control
24CT Micro are compact in-ceiling
speakers, providing full, high quality
sound for background music and
music-plus-paging systems. These
speakers are ideally suited for a wide
variety of applications, from restaurants
and specialty retail stores to
professional offices and airports. Low
distortion and a smooth, natural
frequency response make the Control
24C/CT Micro ideal for medium volume
business music systems as well as for
the medium to low SPL segments of
larger or louder systems. Low
frequency output can be augmented
with the addition of one of the Control
Contractor subwoofer models. Similar
mid/high frequency voicing to other
JBL Control Contractor loudspeakers
can, in many systems, allow for mixing
and matching of models within zones
without requiring separate equalization.
Installation of the Control 24C/CT
Micro is quick and easy. The loud-
speaker is packaged with the backcan,
grille, support backing bracket and tile
rails. In addition, optional new
construction brackets are available.
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 mounting taps which tighten
onto the C-plate, if used, or directly onto the ceiling material.
The Control 24C/CT Micro backcan is made of formed steel and the speaker is
suitable for use in air handling spaces per UL2043. An attachment loop is
provided on the backcan for cabling. A seismic tab is provided as a secondary
support.
The Control 24C/CT Micro trim and baffle are paintable to match any decor.
Specifications:
System:
Frequency Range
1
: 85 Hz - 25 kHz
Power Capacity
2
: 30 Watts Continuous Program Power (C24C Micro)
15 Watts Continuous Pink Noise (C24C Micro)
Nominal Sensitivity
3
: 86 dB SPL @ 1 m (3.3 ft)
Rated Maximum SPL: Control 24C Micro: 98 dB @ 1 m (3.3 ft)
Control 24CT Micro: 94 dB @ 1 m (3.3 ft), 8W tap
Transformer Taps (24CT Micro): 70V: 8W, 4W, 2W, 1W & 0.5 W taps
100V: 8W, 4W, 2W, 1W taps
Transducers:
Low Frequency: 115 mm (4.5 in) IMG (injection molded graphite), 24 mm (1 in)
voicecoil
High-Frequency: 12 mm (0.5 in) polycarbonate
Physical:
Enclosure Material: Backcan: Formed steel
Baffle/Rim: Medium impact polystyrene, fire rated UL94V-O
Secondary Attachment Point: Included
Termination: Screw-down terminals, touch-proof, UL, CE and VDE rated,
outside of backcan
Safety Agency Rating: Suitable for use in air handling spaces, per UL2043, UL1480,
NFPA90, NFPA70A
Outside Dimensions (H x Dia): 106 x 195 mm (4.2 x 7.7 in)
105 mm (4.1 in) front of ceiling tile to back of the backcan
Cutout Size: 167 mm (6.6 in)
Net Weight (ea): C: 1.6 kg (3.6 lb) CT: 2.0 kg (4.4 lb)
Shipping Weight (pr): C: 3.6 kg (7.9 lb) CT: 4.4 kg (9.7 lb)
Included Accessories: C-shaped support backing plate
2 tile support rails (fits both 2 x 4 ft and 600 x 1200 mm tiles)
Cutout template
Optional Accessories: MTC-24TR trim ring for retrofit installations
MTC-24NC optional new construction bracket, flat
MTC-24MR optional mud ring construction bracket
1
Half-space (flush mounted in ceiling)
2
Continuous Pink Noise rating is IEC-shaped pink noise with a 6 dB crest factor for 100 hours continuously.
Continuous program power is a conservative expression of the system’s ability to handle normal speech and music
program material and is defined as 3 dB above the Continuous Pink Noise Rating.
3
Half-space (in ceiling), averaged 100 Hz to 10 kHz.
JBL continually engages in research related to product improvement. Changes introduced into existing products with-
out notice are an expression of that philosophy.
Professional Series