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8" Dual Cone In-Ceiling Speaker with 4-Watt 25V/70V Transformer and 5oz Magnet


Model C5AT72 is a reliable, economically priced 15-watt speaker with a pre-mounted 25/70.7V 4W transformer that offers many features found in speakers costing considerably more. It includes a curvelinear, treated-paper cone for lower harmonic distortion. It is also equipped with a full 1" diameter copper voice coil with a black-anodized aluminum former for better power dissipation. Model C5A operates within a frequency response range of 50Hz - 18kHz with a sensitivity of 96dB and a dispersion angle of 105°. It mounts a wide variety of AtlasIED round and square baffles and enclosures to meet functional and aesthetic application requirements.


  • 4-Watt 25V/70V Transformer
  • 5oz Magnet
  • Ideal for Multi-Purpose Commercial, Industrial and Institutional Use
  • Industry Standard Value Loudspeaker with Proven Performance
  • Mounts a Wide Selection of Atlas Sound Baffles
  • With Factory-Installed LT-72 Line-Matching Transformer
  • UL Certified, Safety Listed to UL1480A and UL2043


Speaker Type 8" Treated Paper
Sensitivity 96dB Peak, 93dB Average
Power Taps .5, 1, 2, & 4 Watts
Frequency Response 100Hz - 10kHz
Dispersion 105°
Depth 2 5/8" (6.6675 cm)
Diameter 8" (20.32 cm)
Shipping Weight 2.17 lbs (0.98 kgs)
Safety Listed 1480



Manuals & Technical Documents

SpecificationAtlas Audio-C5AT72-Spec Sheet.pdf
Installation GuidesATS004345C-C5A-C10A-C803A-Install-Sheet-RevC.pdf