Specifications subject to change without notice
© 2001 Atlas Sound LP
Printed in U.S.A.
000501
SL1-1574
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A. / TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
ARCHITECT AND ENGINEER SPECIFICATIONS
Loudspeaker system shall be Atlas Sound Strategy Series™. System shall
include a coaxial, 8" loudspeaker Model FA138, matched enclosure Model
____(FA97-8, FA97-8NK) and flush grille Model ____(FA51-8, FA170-8, FA720-
8, FA730-8). Frequency response of the system shall be 85 Hz to 20 kHz +
5dB and the sensitivity shall be 93dB (peak) measured at 1W / 1M across the
full bandwidth. Power rating shall be 100 watts. Unit shall be comprised of an
8" dia. low frequency driver and a
1
⁄
2
" dia. high frequency driver. Magnet shall be
21 oz. and the voice coil diameter shall be 1.5" (38mm). Dispersion shall be
110° measured at -6dB, 2kHz octave band. Transformer-equipped models shall
include factory wired ____(70.7) volt transformer with primary taps of _____
(.5, 1, 2 & 4 or 1, 2, 4 & 8 or 4, 8 & 16). Loudspeaker shall front-load to specified
enclosure Model FA97-8(NK), or Model FAPR-8 plaster mounting ring. Strategy
Series enclosures shall use toggle clamps for ceiling mounting and stud
receivers for grille mounting. The FA97 Series enclosures shall be lined with
high density acoustic batting.
FA138: Frequency Response (Measured in FA97-8 Enclosure)
FA138: Impedance
FA138: Fundamental vs 2nd & 3rd Harmonics
(Raised 20dB)@ 1 watt (Measured in FA97-8 Enclosure)
FA138: Frequency Response Overlay at 0, 15, 30 & 45 degrees
(Measured in FA97-8 Enclosure)
FREQUENCY (Hz)
FREQUENCY (Hz)
Dim. A
FA138T47
5.5"
FA138T42
5.5"
FA138T87
5.5"
FA138T82
5.5"
FA138167
5.75"
FA138T810
5.5"
8.25"
3.6"
8.25"
Octave Bands Normalized to Zero On Axis (Measured in FA97-8 Enclosure)
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
A