

LCT 81C/T is a full-range ceiling speaker designed to lay into a 2 ft x 2 ft US-style suspended grid ceiling, with no cutting of ceiling tiles required, making for an easy and cost-effective installation with a minimum of mess. The low profile depth of only 100 mm (4 in) allows the speaker to fit in locations where deeper loudspeakers do not.
This loudspeaker is designed to provide excellent performance for paging and light-to-medium music in a wide variety of applications, including education classrooms, business music systems, retail stores, music/paging systems, airports, reception/waiting rooms, lounges, courtrooms, meeting rooms, and more.
Into 2' x 2' US-style suspended grid ceilings. No cutting of ceiling tiles is necessary.
Wire entrance from either top or side via knock-out
Just 103 mm (4.1 in) deep to fit into ceilings that are shallow or that contain obstructions
Very high 96 dB sensitivity turns power from small amplifiers into maximum sound level for listeners
General Specifications
- Drivers
- High-efficiency 200 mm (8 inch) dual-cone driver with 25 mm (1 in) diameter voice coil, Kapton coil former, and high-temperature voice coil wire.
- Frequency Range (-10dB)
- 100 Hz – 16 kHz
- Sensitivity
- 96 dB (2 kHz - 6 kHz)
- Coverage Angle
- 100° conical
- Maximum SPL (1m)
- 108 dB (low-impedance, 116 dB peak) 106 dB (top 70V/100V tap)
- Impedance
- 8 ohms (in direct/thru setting)
- Transformer Taps
- 10 W, 5 W, 2.5 W (plus 1.3 W @ 70V)
- Recommended Protective High Pass
- 90 Hz high-pass (24 dB/oct) for 8Ω direct or any 70V or 100V tap setting
- Power Capacity (at low-Z)
- 40 Watts Continuous Program Power 20 Watts Continuous Pink Noise
- Input Connectors
- Bare wire inside protected in touch-proof wiring compartment
- Tap Selector
- Rotary switch accessible from side of backcan
- Materials
- Steel rear enclosure, front baffle, and perforated grille
- Grille Color
- White
- Safety Agency
- Suitable for use in air handling spaces certified per UL1480A, Speakers for Commercial and Professional Use; UL2043, Standard for Fire Test for Heat and Visible Smoke Release for Discrete Products Installed in Air-Handling Spaces; NFPA90 & NFPA70; S7232/UL Listed, Signaling Speaker.
- Suspension / Safety-Seismic Attachment Points
- Two tabs on back baffle, plus 4 holes in corners
- Power Rating
- See transformer taps
- Backcan
- formed steel (blind-mount)
- Baffle/Rim
- Metal
- Plenum Usage
- Yes, backcan included
Dimensions
- Dimensions
- 607 x 607 x 103 mm (23.9 x 23.9 x 4.1 in)
- Net Weight
- 7.1 kg (15.7 lbs)
- Shipping Weight
- 8.3kg ea; 16.5 kg per pair-pack (18.3 lbs ea; 36.4 lbs per pair-pack)
- Ceiling Cutout Size
- No cutout required. Speaker drops into ceiling grid
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