Atlas Sound FA134T87
70.7V/8W Transformer

OUR PART #  FA134T87

Strategy Series FA134 combines superior coaxial loudspeaker performance with wide dispersion and easy installation. When integrated with Strategy Series hardware the patented loudspeaker system satisfies the needs of owners, architects, contractors and consultants by delivering true, high-fidelity sound reproduction in an attractive and easy-to-install system. FA134 loudspeakers are ideal for high-intelligibility voice, music and signal reproduction in commercial, industrial and institutional applications.

The FA134 is the industry's first UL listed coaxial 4" loudspeaker. It handles 25 watts with excellent low-frequency reproduction and smooth extended response. The unit's 130° dispersion angle effectively reduces the number of loudspeakers necessary to achieve total coverage in distributed systems with low ceilings.

Model FA134 has been engineered as a system with a high performance matched enclosure, choice of transformers and attractive grilles.

Loudspeakers front-load into the enclosure and include a sealing gasket on the back return of the speaker basket which seals the assembly. Loudspeakers may also be wall or ceiling mounted into areas with minimum depth by using plaster ring Model FAPR-4 instead of the enclosure.


  • 25-Watt, UL Listed, 4" Coaxial Loudspeaker Offers Superb Wide-Range Frequency Response
  • Wide-Angle Dispersion for Excellent Sound Coverage in Rooms with Low Ceilings
  • Patented System Design Provides Easy Installation
  • Front Loads into Acoustically-Matched System Enclosure, Plaster or Trim Ring
  • Offers Choice of System Components Including: Transformers, AcousticEnclosure, Tile Bridge, Plaster Ring, Trim Ring and Hardware-Free Grilles


  • Size: 4"
  • Power Handling: 25 Watts Peak, 15 Watts RMS
  • Sensitivity (1W/1M): 92 dB Peak, 88dB Average
  • Impedance: 8 ohms nominal, 6 ohms minimum
  • Frequency Response: 110Hz - 20kHz, +/-5dB
  • Dispersion: 130° (2kHz Octave Band, -6dB Points)
  • Diameter & Depth: 5" Dia. & 2.25" Deep
  • Mounting Dimensions: 4.69" Bolt Circle
  • Cone Material: Treated Paper
  • Surround Material & Damping: Half Roll Foam
  • Flux Density: 11,300 Gauss, 1.13 Tesla
  • Crossover: 8000 Hz
  • Magnet Weight: Nominal, 10 oz
  • Basket Material: Painted Stamped 20 ga. CRS
  • VC Diameter: 1"
  • VC Material: High Temperature Copper
  • VC Former Material: Black Anodized Aluminum
  • VC Winding Width: .210"
  • Top Plate Thickness; .180"
  • Weight: 28 oz
  • Transformer Model: HT-87, 70.7V, Primary Taps: .5, 1, 2 & 4
  • Mounts Enclosure: FA97-4
  • Mounts Grille: FA720-4 (7 7/8" Dia. Round)
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