Owner's Manual

1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
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©2012 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. ATS001653 RevD 7/12
Model Loudspeaker Baffle XFMR Primary Taps Core Size
XFMR Freq.
Response
Insertion Loss
Tile Bridge / Drywall Trim Ring
(Order Seperately)
Enclosure/
Mounting Ring
B51-4 4" (FC104) 51-4
LT72
(70.7V/25V)
.25, .5, 1,2, & 4
1
⁄2" X
5
⁄8" (13mm X 16mm)
100Hz - 10kHz
(±1.5dB)
1.5dB 81-4, 76-4 (EZ)96-4, (EZ)96-4
B161-4 4" (FC104) 161-4
LT72
(70.7V/25V)
.25, .5, 1,2, & 4
1
⁄2" X
5
⁄8" (13mm X 16mm)
100Hz - 10kHz
(±1.5dB)
1.5dB
N/A
198-4**, SE198-4
EZB161-4 4" (FC104) T161-4
LT72
(70.7V/25V)
.25, .5, 1,2, & 4
1
⁄2" X
5
⁄8" (13mm X 16mm)
100Hz - 10kHz
(±1.5dB)
1.5dB
Not Required (EZ Mounting
rail system is included)
N/A
BT720-4 4" (FC104) T720-4
LT72
(70.7V/25V)
.25, .5, 1,2, & 4
1
⁄2" X
5
⁄8" (13mm X 16mm)
100Hz - 10kHz
(±1.5dB)
1.5dB PR411, TR411 (EZ)E410*, E410-11*
BT720-4-T47 4" (FC104) T720-4 HT47(70.7V) .5, 1,2, & 4
1
⁄2" X
5
⁄8" (13mm X 16mm)
60Hz - 12kHz
(±1dB)
1.5dB PR411, TR411 (EZ)E410*, E410-11*
FA81-6 Tile bridge may be used in conjunction with E410 or E410-11 (non EZ version) enclosures for drop tile applications
+
+
+
Architect and Engineer Specifications
Loudspeaker package shall be Atlas Sound Model ____ (B51-4,
B161-4, EZB161-4, BT720-4, BT720-4-T47) or approved equal.
Factory assemblies shall be comprised of an Atlas Sound Model FC104,
4" high compliance loudspeaker or FA134, 4" coaxial loudspeaker,
25V/70.7V or 70.7V transformer and baffle.
Models including high compliance Model FC104 Loudspeaker shall have
wide angle sound distribution with 135° dispersion (-6dB, 2kHz octave
band). The cone shall be a damped, high compliance type with smooth
extended response over a range of 150Hz –17kHz and a power rating of
not less than 10 watts program. The magnet shall be a 10 ounce (283g)
ceramic type. The 1" (25mm) voice coil shall operate in a magnetic field
of at least 10,500 gauss. Voice coil impedance shall be 81. Sensitivity
shall be 94dB [measured 1W/1M]. Free air resonance shall be 101Hz.
Enclosures shall be Model __________ (96-4, 96-4X, 198-4) and shall
be listed by Underwriters Laboratories (UL 1480 General Signaling
and accepted under UL 2043 for use in air handling "plenum" spaces).
Assemblies with support rails shall include pre-mounted brackets and
shall transfer the loudspeaker package weight to the ceiling system
support rails.
Baffle Mounting Guide for B Series
Model Enclosure Mouting Ring Title Bridge
B51-4
(EZ)96-4, (EZ)96-4X 76-4 81-4, 76-4
B161-4
––– ––– 198-4, SE198-4
BT720-4
PR411 FA81-4
E410(-11),
E410NK, EZE410
BT720-4-T47
(EZ)E410*, E410-11* FA81-4 PR411, TR411