Lowell LT-8A-Vb Specifications

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)
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