Atlas Sound FC104-T72
4" Standard Loudspeakers (UL Listed) 25/70.7V-4W xfmr

OUR PART #  FC104-T72

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This compact, full-range, 4" (127mm) loudspeaker is equipped with a damped, high-compliance cone which provides excellent low frequency reproduction and smooth extended response. Model FC104 also offers a wide dispersion angle which reduces the number of loudspeakers necessary to achieve total coverage in low-level distribution systems. The 10-watt, 8-ohm model (without transformer) offers a frequency response range of 150 Hz to 17 kHz, sensitivity of 94dB (at 1 watt, 1 meter) and a dispersion angle of 135° (-6dB, 2 kHz octave band). The unit contains a 10 oz. (283g) ceramic magnet with a flux density of 10,500 gauss. This U.S.-made loudspeaker is available with six different factory-installed line matching transformers (see chart below) to meet a variety of project requirements. A dual-purpose bracket securely mounts the transformer in a lowprofile position and enables torsion spring mounting found on many Atlas Sound baffles. (Bracket not included on base model FC104.)

Features:

  • Industry Standard, 10-Watt, 4" High-ComplianceLoudspeaker
  • Offers Proven Performance with Wide-Angle SoundDispersion
  • Efficient Wide-Range Frequency Response
  • Ideal for Public Address and Background MusicInstallations
  • Mounts a Large Selection of Atlas Sound 4" Grilles

Specifications:

  • Speaker Size: 4" (127mm), 5" E.I.A. Standard
  • Speaker Type: High Compliance
  • Power Rating: 10 Watts Program
  • Frequency Response: 150 Hz - 17 kHz
  • Magnet: Ceramic, 10 oz. (283 g)
  • Resonance: 101 Hz
  • Voice Coil Impedance: 8 Ohms
  • Voice Coil Diameter: 1" (25mm)
  • Flux Density: 10,500 Gauss
  • Depth: (W/O XFMR) 21/4" (57 mm)
  • Sensitivity: (peak) 94dB (@ 1W / 1M)
  • Dispersion: 135° (-6dB, 2 kHz Octave Band)

Atlas Sound FC104-T72
4" Standard Loudspeakers (UL Listed) 25/70.7V-4W xfmr

OUR PART #  FC104-T72

Product Information:

This compact, full-range, 4" (127mm) loudspeaker is equipped with a damped, high-compliance cone which provides excellent low frequency reproduction and smooth extended response. Model FC104 also offers a wide dispersion angle which reduces the number of loudspeakers necessary to achieve total coverage in low-level distribution systems. The 10-watt, 8-ohm model (without transformer) offers a frequency response range of 150 Hz to 17 kHz, sensitivity of 94dB (at 1 watt, 1 meter) and a dispersion angle of 135° (-6dB, 2 kHz octave band). The unit contains a 10 oz. (283g) ceramic magnet with a flux density of 10,500 gauss. This U.S.-made loudspeaker is available with six different factory-installed line matching transformers (see chart below) to meet a variety of project requirements. A dual-purpose bracket securely mounts the transformer in a lowprofile position and enables torsion spring mounting found on many Atlas Sound baffles. (Bracket not included on base model FC104.)

Features:

  • Industry Standard, 10-Watt, 4" High-ComplianceLoudspeaker
  • Offers Proven Performance with Wide-Angle SoundDispersion
  • Efficient Wide-Range Frequency Response
  • Ideal for Public Address and Background MusicInstallations
  • Mounts a Large Selection of Atlas Sound 4" Grilles

Specifications:

  • Speaker Size: 4" (127mm), 5" E.I.A. Standard
  • Speaker Type: High Compliance
  • Power Rating: 10 Watts Program
  • Frequency Response: 150 Hz - 17 kHz
  • Magnet: Ceramic, 10 oz. (283 g)
  • Resonance: 101 Hz
  • Voice Coil Impedance: 8 Ohms
  • Voice Coil Diameter: 1" (25mm)
  • Flux Density: 10,500 Gauss
  • Depth: (W/O XFMR) 21/4" (57 mm)
  • Sensitivity: (peak) 94dB (@ 1W / 1M)
  • Dispersion: 135° (-6dB, 2 kHz Octave Band)
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