
T720 Series
High Quality Torsion Spring Grilles
T720-4
Features
• Torsion-Spring Mounting and Concealed Loudspeaker Mounting Studs 
Assure Hardware-Free Appearance
• Specifically Designed for Quick, Efficient, and Economical Recessed 
Installation of 4" Loudspeakers
• Welded CRS Construction Eliminates Vibration and Rattle
• Baffles Include Provisions to Accommodate Ceiling Depths Up to 2" Deep
• Attractive Textured White Epoxy Finish
Applications
Utilize Atlas Sound is high-quality, torsion-spring grilles wherever a 
hardware-free appearance is desired to maintain architectural integrity. 
Both models are designed for recessed ceiling installation of 4" (102mm)  
or 8" (203mm) loudspeakers. The torsion-spring mounting assembly 
assures quick, efficient, and eco nom i cal in stal la tion. 
General Description
T720-4/ 
T7204BT  Round, recessed baffle Model T720-4 and T720-4BT feature 
a contoured design with a raised per fo rat ed screen creating a 
sculp tured shape to coordinate with lighting fixture trims. Torsionspring in stal la tion and con cealed loud speak er studs provide for 
an un in ter rupt ed ap pear ance. Both Models mount 4" (102mm) 
loudspeakers and are of welded CRS (20-gauge ring, 22-gauge 
screen). Models are finished in textured white epoxy. 
T720-8A  Round recessed baffle Model T720-8A features a contoured 
design with a raised perforated screen to create a sculptured 
shape that coordinates with lighting fixture trims. Torsionspring installation and concealed loudspeaker studs provide 
an uninterrupted appearance. Model T720-8A provides for 
recessed installation of 8" (203mm) loudspeakers into ceilings 
with a depth of up to 2" (51mm). Welded CRS (20-gauge ring, 
22-gauge screen) construction eliminates vibration. Finish is 
textured white epoxy. 
All models are equipped with extra torsionspring mounting holes to allow for up to 2" in 
ceiling depths for easy field adjustments up 
to 2" deep.
Torsion-spring placement 
for typical ceiling depths.
©2011 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS004141 RevA 7/11
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 
TELEPHONE: (800) 876-3333 
FAX (800) 765-3435
T720-4 Torsion Springs
AtlasSound.com
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Specifications
T720-4
Diameter (A) 73⁄8" (187mm)
Projects (B) 
Mount Enclosure (EZ)E410 Series
Mounting Ring PR411
Weight  .60 lbs. (.295kg.)
9
⁄16" (14mm)
T720-4BT
Diameter (A) 81⁄2" (216mm)
Projects (B) 
Mount Enclosure (EZ)E410 Series, BMT95-4(-7)
Mounting Ring PR411
Weight  .78 lbs. (.353kg.)
9
⁄16" (14mm)
T720-8A
Diameter (A)  12" (304.8mm)
Projects (B) 
Mount Enclosure EZ95-8, T95-8, BMT95-8(-7)
Mounting Ring T75-8(E1)(E2)
Weight  1.7 lbs. (.77kg.)
1
⁄4" (6.35mm)
81⁄2
"
A
"
9
⁄16
73⁄8
A
"
"
9
⁄16
B
Architect and Engineer Specifications
The metal baffle shall be Atlas Sound Model ____ (T720-4, T720-4BT)  
for 4" (102mm) or Model T720-8A for 8" (203mm) loudspeakers, or 
approved equal. It shall utilize a torsion spring device to attach baffle 
to either Atlas Sound enclosure Model ____ or mounting ring Model 
____, or equals. The baffle shall have provisions to accommodate ceiling 
depths up to 2" deep. Baffle shall have diameter of ____ and have 
welded studs on rear for mounting loudspeaker. It shall be finished in 
textured white epoxy.
©2011 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS004141 RevA 7/11
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 
TELEPHONE: (800) 876-3333 
FAX (800) 765-3435
AtlasSound.com
2/2