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Harman Low-Profile Lay-In Ceiling Tile Speaker

Harman LCT 81C/T

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Model LCT 81C/T

UPC Code: 691991007446

Provantage Code:  HRMN084

Condition:  Factory New

  • Product Type: Speaker
  • Maximum Frequency Response: 16 kHz
  • Minimum Frequency Response: 100 Hz
  • Limited Warranty: 2 Year
  • Form Factor: In-ceiling

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Harman LCT 81C/T Specifications

    Low-Profile Lay-In Ceiling Tile Speaker

At a Glance

    Rear View
    • High efficiency 200 mm (8 in) dual-cone driver.
    • Easy lay-in installation into 2' x 2' US-style suspended grid ceilings. No cutting of ceiling tiles is necessary.
    • Perforated metal grille included.
    • Combined 70V/100V and low impedance direct operation.
    • 20 Watts at 8? (low-impedance) direct setting.
    • 10 Watt multi-tap at 70V/100V with taps at 10W, 5W, 2.5W (and 1.3W for 70V only)
    • Very low-profile at just 103 mm (4.1 in) deep, to fit into ceilings that are shallow or that contain obstructions.
    • Easy bare-wire connection in protected compartment. Wire entrance from either top or side via knock-out.
    • Very high 96 dB sensitivity turns power from small amplifiers into maximum sound level for listeners.
    • Designed for high speech intelligibility.


    Low-Profile Lay-In 2' x 2' Ceiling Tile Loudspeaker with 200 mm (8 in) Driver

    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.

    The very high sensitivity of 96 dB provides maximum sound level, even at low tap settings. LCT 81C/T contains a 200 mm (8 in) dual-cone driver with a very high 96 dB sensitivity. The driver features a 25 mm (1 in) diameter voice coil with a Kapton coil-former and high-temperature wire for better power dissipation and long-term reliability. The speaker's built-in 10 Watt transformer provides versatility by allowing use on 100V or 70V distributed loudspeaker lines, as well as at 8 ohms (low impedance) for driving directly from a low impedance power amplifier. Adjusting is convenient via a rotary switch on the side of the rear enclosure. Two safety seismic attachment tabs are provided for securing to ceiling deck, plus 4 holes are provided -- one in each corner. The color of the perforated grille is white.

Package Contents


General Information
Product NameLow-Profile Lay-In Ceiling Tile Speaker
Product ModelLCT 81C/T
Product TypeSpeaker
Technical Information
RMS Output Power40 W
Driver Type7.87" Woofer
Minimum Frequency Response100 Hz
Maximum Frequency Response16 kHz
Impedance8 Ohm
Sensitivity96 dB
Physical Characteristics
Form FactorIn-ceiling
Woofer Diameter7.87"
Limited Warranty2 Year
Environmentally FriendlyYes
Environmental CertificationWEEE
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Harman Model LCT 81C/T