Model series: LT-8A , LT2-8A
Lay-in Tile Packaged Speaker (pro sound, 8" speaker)
Description:
The LT pro-series provides quality performance in an easy installation
for suspended ceiling applications, offering smooth musical sound
reproduction for restaurants, lobbies and similar venues. System includes factory-wired speaker (optional transformer) mounted to (1 x
2 or 2 x 2) fine perforation grille and 0.8 cu.ft. acoustic backbox. The
LT is shipped ready-to-install and does not require speaker cut-outs
in the ceiling tile. 1 x 2 Assembly: is supported by the T-Bar grid
and includes an integral T-Bar support (US patent no’s. 7,120,269;
D467,579 and 7,643,647) for fast installation when replacing half of
a non-tegular 2 x 2 tile or one-fourth of a non-tegular 2 x 4 tile. System
includes speaker assembly mounted to 1 x 2 subplate with white
grille, integral T-Bar, and pre-mounted (0.8 cu.ft.) volume backbox
with acoustic lining for extended low frequency performance. Speaker
leads exit backbox through metal clamp for fast connection. (Splice
connecting wires, push them inside enclosure and tighten the clamp.)
2 x 2 Assembly': is designed to replace a standard 2 x 2 ceiling tile
and is supported by the T-bar grid. System includes factory-wired
speaker assembly mounted to 2 x 2 subplate with white grille and
mounted (0.8 cu.ft.) acoustic backbox that is offset to allow fit around
plenum obstructions.
Features:
• Speaker: model 8A50 8" 50W coaxial speaker engineered to provide excellent power handling and smooth sound reproduction.
• Grille: fine-perforation pattern grille, designed to provide maximum free-air space for excellent sound transmission, while maintaining an unobtrusive appearance in tile ceilings. The 1 x 2 grille
includes an integral two-foot T-bar to support neighboring nontegular ceiling tile. The 2 x 2 grille replaces a single 2 x 2 ceiling
tile. White powder epoxy finish.
• Backbox: 0.8 cu.ft. volume backbox (Vb) with acoustic lining.
Black powder epoxy finish.
• Transformer selection:
– TLM870: 70V with taps at 1, 2, 4, 8W (4-8 ohm)
– TLM3270A: 70V with taps at 8, 16, 32W (4-8 ohm)
A&E Specifications:
The speaker system for suspended tile ceilings shall be Lowell
LT-series Model ________ ( 1'x2' or 2'x2' ). The 1'x2' system shall
replace half of a non-tegular 2'x2' ceiling tile or one-fourth of a nontegular 2'x4' ceiling tile and shall include an integral T-Bar to support
the adjacent non-tegular ceiling tile. The 2'x2' system shall directly
replace a 2'x2' tile. Each system shall include a factory-mounted
speaker (with optional wired transformer) mounted to a subplate with
a fine perforation pattern steel grille finished in white powder epoxy
and a factory-mounted steel backbox with a volume of 0.8 cu.in. lined
with 1-1/2” thick fiberglass and finished in black powder epoxy. The
speaker shall be an 8" coaxial with a power rating of 50W and a magnet weight of 20oz., frequency response of ______ and a sensitivity
of ______ measured 1W/1M. The optional 70V transformer shall
have primary taps at __________. Speaker connections shall exit
the backbox through a metal clamp.
LT (1’x2’)
Seismic anchoring points.
8A50
The LT features 8" speaker model 8A50 with an optional transformer.
LT (2’x2’)
Speaker connections are externally
accessible for splice/stuff connection
through a metal clamp.
Patented Integral T-Bar supports adjacent non-tegular ceiling tile.
Fine-perforation pattern grille is
designed to blend with tile ceilings.
TLM870
TLM3270A
Model No. Description Speaker Transformer Taps Backbox Grille
LT-8A-Vb 1x2 LT Speaker System 8A50 (50W) ----- ------ Vb (0.8 cu.ft.) White
LT-8A-T870-Vb 1x2 LT Speaker System 8A50 (50W) TLM870 70V: 8, 4, 2, 1 W Vb (0.8 cu.ft.) White
LT-8A-TM32-Vb 1x2 LT Speaker System 8A50 (50W) TLM3270A 70V: 32, 16, 8 W Vb (0.8 cu.ft.) White
LT2-8A-Vb 2x2 LT Speaker System 8A50 (50W) ------ ------ Vb (0.8 cu.ft.) White
LT2-8A-T870-Vb 2x2 LT Speaker System 8A50 (50W) TLM870 70V: 8, 4, 2, 1 W Vb (0.8 cu.ft.) White
LT2-8A-TM32-Vb 2x2 LT Speaker System 8A50 (50W) TLM3270A
Spec. No. 1044
(rev. 02.06.13)
pg. 1 of 2
©2013 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069. Phone–800.325.9660
Fax—636.257.6606. Lowell makes every effort to provide accurate information while reserving the right to
change specifications and/or improve manufacturing methods without notification. (lowellmfg.com)
70V: 32, 16, 8 W Vb (0.8 cu.ft.) White
Includes restraint tabs (tie-offs) for code compliance.
12.922"
23.75"
6.445"
Integral
T-Bar
Dimensions: LT Series 1'x2' System with 0.8 cu.ft. backbox.
Integral T-Bar
supports cut tile
23.75"
23.75"
Dimensions: LT Series 2'x2' System with 0.8 cu.ft. backbox.
6.455"
1'x2' installation: Replaces half of a non-tegular 2'x2' ceiling
tile or one-fourth of a non-tegular 2'x4' ceiling tile. Integral T-Bar
2'x2' installation: Replaces 2'x2' tile. Backbox is mounted to one
side for positioning around plenum obstructions.
supports non-tegular tile that was cut.
Speaker Specs (measured half space)
Speaker Power Ceramic Frequency Dispersion Voice Coil Voice Coil Sensitivity Max SPL* Depth Weight
Model No. Size Rating Type Magnet Response (octave avg.) Impedance Diameter 1W / 1M (w/o xfmr) (w/o xfmr)
8A50 8" 50W Coaxial 20 oz. LF 40Hz - 20kHz +
*Calculated value 1M @ speaker maximum power. Complete information including frequency and polar data is available on the speaker spec sheet.
A-series 2 oz. HF 40Hz - 20kHz Nominal 0.53" HF
6dB 110° @ 2000Hz -6dB 8 Ohms 1.4" LF 90dB Avg 107dB 3.85" 3.5 lbs
Spec. No. 1044
(rev. 02.06.13)
pg. 2 of 2
©2013 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069. Phone–800.325.9660
Fax—636.257.6606. Lowell makes every effort to provide accurate information while reserving the right to
change specifications and/or improve manufacturing methods without notification. (lowellmfg.com)