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C4.8T
Ceiling mounted, two-way vented enclosure
COMMERCIAL INSTALLATION

The C4.8T is an extremely compact, two-way flush mount loudspeaker designed to deliver high performance and high intelligibility in a wide range of applications. The unit consists of a 4" (100mm) bass driver with a UL rated, carbon fibre loaded polypropylene cone and a 0.8" (19mm) dome tweeter mounted side by side on the baffle. This configuration easily outperforms coaxial stalk-mounted tweeter or single driver arrangements in terms of wide dispersion and smooth off-axis frequency response. The exceptionally wide dispersion of the C4.8T makes it particularly suitable for installation in low ceilings where significantly fewer units will be required to cover a particular area.

These products comply with UL2043 Fire Tests for Heat & Visible Smoke Release for Discrete Products and their Accessories Installed in Air Handling Spaces.
Listed UL1480 General Signalling Speakers.

SUITABLE FOR USE IN AIR HANDLING SPACES

FEATURES

  • Two-way high performance flush mounting ceiling speaker
  • 4" (100mm) UL94V-0 carbon fibre loaded polypropylene cone
    bass driver
  • Very wide dispersion – 180° up to 10kHz
  • High & low impedance operation – transformer included
  • Fireproofed rising clamp plug and socket for easy pre-wiring
  • 100dB continuous max SPL @ 1 metre
  • Steel backcan
  • Tile rails and C bracket included
  • UL2043 & UL1480

APPLICATIONS

  • Fixed installations in ceiling and walls
  • Low ceiling environments
Click pic for larger image
TECHNICAL SPECIFICATIONS
TYPE Ceiling mounted, two-way vented enclosure
FREQUENCY RESPONSE (1) 100Hz-20kHz ± 3dB
-10dB @ 80Hz
DRIVERS 4" (100mm) UL94V-0 PP bass driver
0.8" (19mm) dome tweeter
RATED POWER (2) 40W AES, 160W peak
SENSITIVITY (3) 86dB
MAXIMUM SPL (4) 100dB continuous, 106dB peak
NOMINAL IMPEDANCE 16 ohms
DISPERSION (-6dB) 180° conical up to 10kHz
CROSSOVER 5kHz passive
ENCLOSURE Steel backcan
FINISH Bezel & grille – white UV resistant
Overpaintable
Backcan – zinc plated
PROTECTIVE GRILLE Perforated steel
CONNECTORS Rising clamp plug and socket
ACCESSORIES (included) 25W 70/100V line transformer
Tile rails
C bracket
Paint mask
Cut-out template
VOLTAGE TAPS

100V – 25W, 12.5W, 6W
70V – 25W, 12.5W, 6W, 3W

DIMENSIONS (OD) 205mm x (D) 131mm
(OD) 8.1ins x (D) 5.1ins
CUT-OUT DIAMETER 178mm (7.01 ins)
WEIGHT 2.6kg (5.7lbs)
ACCESSORIES

C4.8T CONSTRUCTION RING
Contruction Ring

 

C4.8T PLASTER RING – 6 PACK
Plaster Ring

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All material © 2012. Copyright Martin Audio Ltd. Subject to change without notice. Martin Audio Ltd. Reg. No. 4824341
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