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Electro-Voice Cobreflex IIB Folded Sectoral Horn
Part # F.01U.118.961
Model # COBREFLEX IIB

The Electro-Voice Cobreflex IIB Folded Sectoral Horn is an exponentially flared, reflex design for use in public address, paging, and voice warning systems. This reflex construction results in both compactness and high efficiency when combined with appropriate compression drivers.

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Description

Details

The Cobreflex IIB is an exponentially flared, reflex design for use in public address, paging, and voice warning systems. This reflex construction results in both compactness and high efficiency when combined with appropriate compression drivers.

The patented (patent # 2,751,996) folded design features two separate air columns in a single assembly that virtually eliminates high-frequency phase cancellation present in re-entrant designs.

The 80-degree horizontal by 60-degree vertical dispersion pattern is beneficial in many applications requiring a wide coverage pattern. Furthermore, excellent loading is maintained to a low-frequency cutoff of 250 Hz.

The Cobreflex IIB is constructed from a high-impact acrylonitrile butadiene styrene (ABS) with an ultraviolet inhibiting grey paint finish. A serrated positive-lock “U” mounting bracket is provided for maximum mounting flexibility and ease of installation.

Features

Features

  • Exponentially flared, reflex construction
  • Two separate air columns in a single assembly
  • 80-degree horizontal by 60-degree vertical dispersion
  • Low-frequency cutoff of 250Hz
  • Constructed of acrylonitrile butadiene styrene (ABS)
  • Ultraviolet inhibiting grey paint finish
  • Serrated positive-lock "U" mounting bracket is provided for maximum mounting flexibility and ease of installation
Specification
Vertical Beamwidth60° @ 2 kHz
Horizontal Beamwidth80° @ 2 kHz
Directivity Factor9.1 @ 2 kHz
Usable Low-Frequency Limit250 Hz
ConstructionHigh impact acrylonitrile butadiene styrene (ABS) with UV light inhibiting grey paint finish
Mechanical Construction of DriverThreaded metal throat insert to accommodate a screw-in driver with a throat opening
Dimensions (H x W x D)9.3" (235 mm) x 18.5" (470 mm) x 10.3" (260 mm)
Net Weight5.1 lbs (2.3 kg)
Shipping Weight6.7 lbs (3.0 kg)
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Documents

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