KX-1870

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The kx-1870 cinema surround loudspeaker offers high power handling, high efficiency with low frequency extension down to 40Hz (-10dB free space). The cabinet is braced and critically damped and features a 15 degree angled front baffle to ensure optimum coverage within the auditorium and to eliminate ‘audio spill’ onto the ceiling.

The high frequency drive unit is a specially damped, high power, 28mm doped fabric dome tweeter. Coupled with the specifically designed waveguide, the optimum dispersion of 90 degrees horizontal and 40 degrees vertical is consistently maintained over the entire working bandwidth. The combined high frequency response is exceptionally smooth and well controlled setting a new bench mark for surround loudspeaker reproduction.

The single 10 inch (250mm) bass driver has a 2 inch (50mm) voice coil and has been developed to offer low harmonic distortion, especially in the critical midband. Likewise the paper cone and surround of the bass driver has also been developed to provide the smoothest possible response.

The crossover network has been designed and built using close tolerance, professional grade components, perfectly blending the output from the two drive units. Matching the acoustic phase of both units through the crossover region ensures the widest possible coverage, with the response following the ‘X’ curve (ISO2969) characteristic as specified for use in cinemas.