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FEATURES
• Equipped with Receptacles for Easy Installation of Torsion Spring Grilles
• Available With or Without Conduit Knockouts
• Choice of Standard or High-Volume Models
APPLICATIONS
Utilize Atlas Sound E410 Series recessed enclosures to mount hardware-free,
torsion spring grilles. These enclosures are designed for use with 4" (102mm)
loudspeakers and are available with or without conduit knockouts to accommo-
date varying building code and installation requirements.
GENERAL DESCRIPTION
E410 Series enclosures are designed for use with Atlas Sound torsion spring
grilles and standard 4" (102mm) loudspeakers. All versions are constructed of 22
gauge CRS, undercoated, equipped with torsion spring receptacles, and finished
in a textured black epoxy.
Model E410. These standard
1
⁄4 cubic foot (.007m3) enclosures are identical
except for their torsion tab placement. Both models are also available without
conduit knockouts (NK) for applications in which solid enclosures are required.
Model E410-11 This high-volume,
1
⁄2 cubic foot (.014m3) version of Model E410
enhances the low frequency response of an installed loudspeaker. Model E410-
11 has a depth of 11" (279mm) and includes high-density fiberglass fill to absorb
internal sound reflection.
ARCHITECT AND ENGINEER SPECIFICATIONS
The enclosure shall be Atlas Sound Model ____ (E49NK, E410, E410NK, E410-
11) or approved equal. It shall contain torsion tab receptacles for mounting Atlas
Sound torsion spring grille Model ____, or approved equal. Unit shall come
equipped (with, without) conduit knockouts. Damping material or high-density
fiberglass fill (available on Model E410-11 only) shall be applied to absorb
internal sound reflection.
Specifications subject to change without notice
© 2001 Atlas Sound LP Printed in U.S.A. 000501 SL3-1445
237
THREE
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A. / TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
ROUND TORSION SPRING ENCLOSURES
FOR 4" LOUDSPEAKERS
E410 Series
DIMENSIONS
MODEL A B C D MOUNTS BAFFLES
E410
10
1
⁄8"6
3
⁄8"6
1
⁄2"
1
⁄2" T730-4B(4G)
E410NK
(257mm) (162mm) (165mm) (13mm) T51-4, T60-4, T710-4,
E410-11
11"
T720-4(BT), T740-4
(279mm)
E410/E410NK
E410-11