
Martin Audio C4.8T, Ceiling Loudspeaker for Commercial install 4.5 inch
Martin Audio C4.8T, Ceiling Loudspeaker for Commercial install 4.5 inch The Martin Audio C4.8T's 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 Martin Audio 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. Martin Audio C4.8T Main Unique 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 Specification TYPE Ceiling mounted, two-way vented enclosure FREQUENCY RESPONSE (5) 100Hz-20kHz ± 3dB -10dB @ 80Hz DRIVER 4" (100mm) UL94V-0 PP bass driver 0.8" (19mm) dome tweeter RATED POWER (2) 40W AES, 160W peak SENSITIVITY (8) 86dB MAXIMUM SPL (9) 100dB continuous, 106dB peak NOMINAL IMPEDANCE 16Ω 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)