Lowell SM810AW Manual

Lowell Højttaler SM810AW

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Side 1/2

INSTALLATION SHEET #IS-SM

Sound Masking Speaker Systems

Mounting Note:

The speaker system

must be mounted in

accordance with

local, state, and

federal codes and

regulations, and

industry standard

practices.

Electrical and Acoustical Specifications

115 Degrees

Conical

Sensitivity

(70V/1W/1M)

Driver Type Frequency Response

UL1480 5th EDITION GENERAL SIGNALING

CSA C22.2 NO. 205-M1983, UL2043

SUITABLE FOR USE IN PLENUM SPACES

GENERAL SIGNALING

EQUIPMENT

Model

Number

Transformer

Taps Switch

Dispersion

(-6dB@2kHz Oct.)

1/4W @ 70V

1/2W @ 70V

1W @ 70V

2W @ 70V

4W @ 70V

“Off” Switch

Position

Is Also

Available

100 Degrees

Conical

170 Degrees

Conical

97.1dB

90.6dB

92.1dB

117Hz-6.9kHz + 7dB

60Hz-16.5kHz + 7dB

85Hz-12.6kHz + 7dB

SM810A

SM810AW

SM810A-BR

SM820A

SM410A

SM820AW

SM410AW

SM820A-BR

SM410A-BR

#810

8" Dual

Cone

#8A50

8" Coaxial

#JR410

4" Single

Cone

Model

Type

Black

With Hangers

Black

With Hangers

Black

With Hangers

White

With Hangers

White

With Hangers

White

With Hangers

Black, Factory

Installed Rails

Instruction Sheet:

IS-SM

P/N: 19211

Page 1 of 2

Printed on 4-24-13

Lowell Manufacturing Company 100 Integram Drive Pacific, Missouri 63069 U.S.A.

Phone: 800-325-9660 Fax: 636-257-6606 (www.lowellmfg.com)

Design Note: Sound masking speakers are typically mounted above the

finished ceiling in the plenum space. In most installations, the sound masking

speakers are installed with the bottom of the enclosure roughly 1' above the

finished ceiling with the speaker aiming upward so the masking noise bounces

off of the slab or deck above. When the plenum space is taller than 6', the

designer may decide that the sound masking speakers should be installed at 6'

or more above the finished ceiling aiming downward. In some instances,

plenum spaces crowded with many obstructions may require that the speakers

be mounted sideways aiming between the obstructions. For other applications,

the designer may choose to rest the masking speakers directly on the lay-in tile

ceiling grid. The exact mounting position of the masking speakers dramatically

affects the dispersion of the sound masking noise. This installation sheet has

been written under the assumption that a qualified consultant or designer has

pre-determined the speaker spacing and mounting orientation that will result in

the desired sound masking noise coverage.

As shipped from the factory, the masking speaker hangers are configured

for aiming the speaker upward. Unfold the speaker hangers as shown.

For models SM810A-BR, SM820A-BR, and SM410A-BR skip to step 6

To install the masking speakers aiming sideways or aiming down, it is

necessary to remove the hangers. To remove and reinstall the hangers, always

rotate the hanger to the 45 degree position as shown. Note: If placing the

speakers under a computer floor or on a shelf, remove and discard the hangers.

To install the speaker aiming sideways, remove the hangers by rotating

them to the 45 degree position. Relocate the hangers to the 45 degree position

in the new location and reinsert the hangers as shown.

To install the speaker aiming downward, remove the hangers by rotating

them to the 45 degree position. Relocate the hangers to the 45 degree position

in the new location and reinsert the hangers as shown.

Black, Factory

Installed Rails

Black, Factory

Installed Rails

Instruction Sheet:

IS-SM

P/N: 19211

Page 2 of 2

Printed on 4-24-13

Lowell Manufacturing Company 100 Integram Drive Pacific, Missouri 63069 U.S.A.

Phone: 800-325-9660 Fax: 636-257-6606 (www.lowellmfg.com)

Use the two (2) (4) foot piece of chain supplied with the “S” hooks and four

masking speaker to suspend the speaker from the building structure. Hanging

point hardware to attach the chain to the building structure will be furnished by

the installer.

Speaker models SM810A-BR, SM820A-BR, and SM410A-BR are shipped

from the factory without hanging brackets, , or chain, because these “S” hooks

models are shipped with factory installed SM-BR rails. SM-BR Bridge Rail Kits

(sold separately) can be mounted in the field to any of the models that are

shipped with hangers and chain. To mount the rails to the enclosure, remove

and discard the hangers (see step 2 on page 1). Place the masking speaker

face down. Locate the six (6) pilot holes in the rear of the speaker enclosure

and six (6) holes on either end of the rails. Use the six (6) Phillips head screws

provided to attach the rails to the bottom of the masking speaker as shown.

Place the masking speaker with the bridge rails attached above the finished

ceiling across the tile grid as shown.

Important Note: Depending upon local codes and regulations, it may be

required to attach the bridge rails to the ceiling tile grid. Holes in the ends of the

bridge rails have been provided so that sheet metals screws (provided by the

installer) can attach the rails to the grid. Also depending upon local codes and

regulations, it may be required for the installer to attach earthquake restraint

cables to the masking speaker. Holes in the vertical flanges at the ends of the

rails are provided for earthquake restraint cables (furnished by the installer).

UL recognized wire nuts or crimp type connectors (provided by the installer)

may be used to make a simple splice to the provided positive red (+) and

common black (-) input wires. After making that splice, loosen the Romex

connector screws and insert the splice into the masking speaker through the

Romex connector. Tighten down the Romex connector clamp to provide strain

relief for the input cable. A cable to the next speaker in the string may be wired

in parallel with the incoming speaker wire as shown.

Note: To attach an additional Romex connector or to mount other conduit fittings

for flexible conduit, the input plate can be removed from the masking speaker.

Two (2) & -outs are provided on the input wiring cavity combination ½” ¾” knock

cover plate. The additional Romex connector or flexible conduit and fittings will

be furnished by the installer.

A transformer tap selector switch is provided on the side of the masking

speaker enclosure. 70V 1/4W, 1/2W, 1W, 2W, and 4W select “OFF” and

positions are provided. The transformer tap switch is set at 1W when shipped

from the factory. Set the selector switch as specified by the system designer.

The input wiring splice should always be permanently located inside of the

masking speaker wiring cavity and not in open space outside of the input plate.

Skip to step .8

Produkt Specifikationer

Mærke:	Lowell
Kategori:	Højttaler
Model:	SM810AW
Bredde:	295.275 mm
Dybde:	142.875 mm
Højde:	295.275 mm
Antal pr. pakke:	1 stk
Produktfarve:	Hvid
Udgangseffekt (RMS):	15 W
Anbefalet brug:	Universel
Forbindelsesteknologi:	Ledningsført
Højttaler, type:	2-vejs
Lyd-output kanaler:	- kanaler
Højttaler, placering:	Kan monteres i loftet
Antal drivere:	1
Driver diameter:	203.2 mm
Transformer ventiler:	15 W
Højttalergrill materiale:	Stål
Transformatorspænding:	70 V