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8" Coaxial 100-Watt 8 Ohm In-Ceiling Speaker


Model FA138 is Atlas IEDs premium 8" coaxial loudspeaker. This 100-watt unit includes a circuit board mounted high-pass/low-pass crossover which produces outstanding sound quality. Model FA138 contains a reinforced polypropylene cone woofer a custom butyl rubber surround a 1 1/2" vented Kapton voice coil a 21oz. magnet and a 1/2" mylar-dome ferrofluid tweeter for clean and powerful weather-resistant performance.

For optimum acoustic and application versatility the Strategy series has been engineered as a system offering both the FA97-8 Series high performance enclosures (.22ft3) with acoustic batting as well as the economy FA95-6 Series (.17ft3) backbox enclosures. The enclosure front-loads the loudspeaker and installs quickly and easily into the ceiling using only a screwdriver to adjust the rotating clamps.
Loudspeakers may also be ceiling or wall mounted into areas with minimum depth by using plaster ring Model FAPR-8 instead of an enclosure.

Baffle selection includes a choice of two attractive grilles which are equipped with three serrated studs for hardware-free push-on installation into Strategy Series enclosures.

For limited depth installations when no enclosure is required mounting ring model FAPR-8 may be utilized. New construction ring model FA-TR8 is also available to serve as a pattern cut-out and location marker for drywall installers in new construction applications.


  • 100-Watt Unit Offers Extended Sound Pressure Levels for High/Vaulted Ceiling Applications
  • Conveniently Front Loads into Acoustically-Matched System Enclosures or Mounting Ring
  • Top-of-the-Line 8" Coaxial Loudspeaker Delivers Full-Frequency Response with Superior Fidelity
  • UL Certified, Safety Listed to UL1480


Speaker Type Coaxial
Sensitivity 89.5dB Average, 93dB Peak
Power Taps 8 ohms
Frequency Response 75Hz - 20kHz
Dispersion 110°
Depth 3 5/8" (9.144 cm)
Diameter 8 1/4" (20.955 cm)
Shipping Weight 5.20 lbs (2.36 kgs)
Safety Listed 1480, 2043



Manuals & Technical Documents

SpecificationAtlas Audio-FA138-Spec Sheet.pdf
Installation GuidesATS000743D-FA-Series-Install-RevD.pdf