Specifications subject to change without notice
© 2001 Atlas Sound LP Printed in U.S.A. 000501 SL3-1469
203
THREE
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A. / TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
UNIDIRECTIONAL AND BI-DIRECTIONAL
SURFACE BAFFLES FOR 4" AND 8" LOUDSPEAKERS
410 Series 
510 Series
FEATURES
• Ideal for Corridor Applications Where Surface Mounting Space is Limited
• Attractive, Non-Rusting Aluminum Construction
• Choose from Unidirectional or Bi-directional Models for 4" (102mm) or 
8" (203mm) Loudspeakers 
APPLICATIONS
Atlas Sound 410 and 510 Series cylindrical baffle/enclosures are designed 
for surface applications where mounting space is limited. Units may be wall 
or ceiling mounted in school and medical-facility corridors, office hallways, 
outdoor breeze-ways, or wherever unidirectional or bi-directional sound 
dispersion is desired.
GENERAL DESCRIPTION
410 Series. Compact unidirectional aluminum baffle/enclosure with one-piece
grille provides long lasting service indoors or out. Sturdy assembly features a 
spun .038 aluminum housing and mounts easily to walls, ceilings, or to 4" 
(102mm) octagon E.O. boxes (manufactured by others). Model 410-4 accommodates a standard 4" (102mm) loudspeaker; Models 410-8 and 410-8W mount 
a standard 8" (203mm) loudspeaker. Baffle interior is undercoated and patchjute lined to prevent mechanical and acoustical resonance. Assemblies are finished in satin aluminum or textured white (W) epoxy where noted.
510 Series. These compact aluminum baffle/enclosures are identical to the 
410 Series (above) with the addition of a circular mounting canopy complete 
with mounting hardware and second grille to enable bi-directional sound dispersion. Model 510-4 mounts a standard 4" (102mm) loudspeaker; Models 510-8 
and 510-8W mount a standard 8" (203mm) loudspeaker. Aluminum housing is 
patch-jute lined and undercoated to allow clear, audible loudspeaker performance by preventing mechanical and acoustic resonance. One grille per unit 
includes studs for convenient loudspeaker mounting. Complete assembly 
installs to a 4" (102mm) octagon E.O. box (by others). Finished in satin brushed 
aluminum or textured white (W) epoxy where noted.
ARCHITECT AND ENGINEER SPECIFICATIONS
Baffle shall be Atlas Sound Model ____ [410-4, 510-4 for 4" (102mm) loudspeakers; 410-8(W), 510-8(W) for 8" (203mm) loudspeakers]. It shall be of (unidirectional, bi-directional) design. Housing shall be manufactured of spun .038 
aluminum and the interior shall be undercoated and patch-jute lined to prevent 
mechanical and acoustical resonances. Loudspeaker grilles shall be of onepiece construction. One grille per model shall include provisions to mount Atlas 
Sound (4" or 8") loudspeaker Model ____. Baffle shall be finished in (satin 
brushed aluminum or textured white epoxy). Dimensions shall be ___. 
Assembly shall mount to a standard 4" octagon E.O. box (by others).
SPECIFICA TIONS
MOUNTING SPEAKER DIMENSIONS
MODEL TYPE SIZE (A) DIAMETER (B) DEPTH (C) PROJECTS (D)
MOUNTS
WEIGHT
410-4 Unidirectional 4" (102mm) 4
11
⁄
16
" (119mm) 6" (152 mm) 4
1
⁄
4
" (108mm) 4
1
⁄
2
" (114mm) 4"
0.5 Lbs. (.23kg)
410-8(W)* Unidirectional 8" (203mm) 7
5
⁄
8
" (194mm) 9
5
⁄
16
" (237mm) 4
7
⁄
16
" (113mm) 4
13
⁄
16
" (122mm) Octagon 1.0 Lb. (.45kg)
510-4 Bi-directional 4" (102mm) 4
11
⁄
16
" (119mm) 6" (152mm) 4
3
⁄
4
" (121mm) 6
3
⁄
8
" (162mm) E.O. .0.7 Lbs. (.3kg)
510-8(W)* Bi-directional 8" (203mm) 7
5
⁄
8
" (194mm) 9
5
⁄
16
" (237mm) 5
1
⁄
4
" (133mm) 10" (254mm) Box 1.2 Lbs. (.54kg)
*  Note: (W) denotes textured white epoxy finish. Standard finish is satin aluminum.
A
B
C
D
E.O. 
Box
E.O. 
Box
410 Series
510 Series