4" AcousticCoverage Ceiling Mount Loudspeaker


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The QSC AcousticCoverage AC-C4T is a ceiling-mounted 4” full-range loudspeaker with 70/100V transformer, suitable for a wide variety of voice paging and background music sound reinforcement applications. AcousticCoverage is designed to offer integrators a cost-effective solution for applications where voice reinforced coverage is of primary concern, while providing improved musicality often not seen in typical BGM class products.

A high quality 4-inch polypropylene cone transducer with butyl rubber surround offers pristine clarity through the critical vocal range for increased speech intelligibilty. With 140 degrees of conical coverage, the AC-C4T reduces the number of loudspeakers required for even coverage in low ceiling applications.

The easy-to-install blind mount assembly features a ported baffle which optimally tunes the galvanized steel backcan for added musicality, creating low frequency extension down to 70 Hz. To maintain this frequency response, the AC-C4T utilizes a 16 watt low-saturation and low-loss 70/100V transformer with varying selectable taps, including an 8 Ohm bypass. The rotary tap selector switch is accessible under the powder-coated steel grille.

To further enhance performance and speed of install with optimum result, advanced voicing filter sets using QSC Intrinsic Correction techniques are obtainable using Q-Sys networked audio processing platforms, including CXD amplifiers for a complete QSC systems solution.

Installers will appreciate the 4 pole Euroblock connector for loop-thru wiring, located under a quick access swivel plate. Eliminating the termination hassles of star topology wiring designs, the generous Euroblock of the AC-C4T can accept four 18AWG pairs.

A safety tether tab is affixed to the adjustable conduit clasp plate for seismic-sensitive installations. C-ring and tile rails are included with each pair packed assembly, complete with joining screws and cut-out template.
The AC-C4T baffle and grille are QSC standard white (RAL 9010) to match complimenting QSC product families and includes UV inhibitors to prevent discoloration over time. The AC-C4T may also be painted to match any décor.

QSC AC-C4T Includes:

  • Rails & C-ring for ceiling tile installation

QSC AC-C4T Features:

  • High quality 4” full-range transducer providesexceptional clarity through the critical voice range.
  • Ported baffle for increased low frequency extensiondown to 70 Hz.
  • Low saturation 70/100V transformers with 8 ohmbypass.
  • 4 pole Euroblock connector eases system wiring.
  • Advanced voicing filter sets using QSC IntrinsicCorrection available through either Q-Sys processing or CXD amplifierplatforms.
  • White (RAL 9010) with UV inhibitors to matchcomplimenting QSC product families.
  • Complete EASE, CF2, CAD, & BIM information available online

QSC AC-C4T Specifications:

  • Effective Frequency Range:  70 Hz – 16 kHz
  • Rated Noise Power / Voltage:  16 Watts / 11.3Volts (RMS)
  • Broadband Sensitivity:  89 dB SPL
  • Coverage Angle (-6 dB):  140° (500 Hz - 5 kHz)
  • Maximum Continuous SPL:  101 dB
  • Maximum Peak SPL:  107 dB
  • Rated Impedance:  8 Ohms
  • Transformer Taps:
    • 70V:  16, 8, 4, 2, 1 watts and 8 ohm bypass
    • 100V:  16, 8, 4, 2, watts and 8 ohm bypass
  • Transducer:  4" Polypropylene cone with butylrubber surround
  • Input Connector Type:  Euroblock connector withparallel output terminals
  • Baffle Material:  Painted ABS polymer
  • Grille Material:  Powder coated steel
  • Back Can Material:  Galvanized steel
  • Testing Listed:  UL1480, UL2043 safe for use inair handling space
  • Net Weight:  4.9 lbs. (2.22 kg)
  • Product dimensions:  Ø8.4" x 7.9” (Ø214 x 201mm)
  • Cut-out Dimensions:  Ø7.31" (Ø185.67 mm)
  • Ceiling Capture Thickness:  0.25" - 1.5" (6.35 -38.1 mm)
  • Shipping Weight:  15.1 lbs. (6.86 kg)
  • Shipping Dimensions:  10.75" x 24" x 10.5" (273.1 mm x 609.6 mm x 266.7mm)
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