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OUR PART #: CONTROL-HST-JBL MFR #: CONTROL HST
The main feature of JBL's Wide-Coverage On-Wall Speaker with Hemispherical Soundfield Technology™ is its patent-pending Wall Reflection Elimination ... Read more
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The main feature of JBL's Wide-Coverage On-Wall Speaker with Hemispherical Soundfield Technology™ is its patent-pending Wall Reflection Elimination, which removes dips and peaks from primary wall reflection and provides constant directivity coverage. The design includes a wall-facing woofer, two hoziontally splayed tweeters, a wall bracket that spaces the speaker the required distance from the wall, and a tapered cabinet that provides proper loading and dispersion of the sound.
With most on-wall (surface-mount) speakers, the baffle of the speaker is some distance from the wall. It is the nature of low and low-mid frequency sound waves to wrap around the speaker, where they reflect back out from the wall, recombining with the original sound. When this occurs, some frequencies add coherently to the original sound and other frequencies cancel, causing peaks and dips in the resulting frequency response and inconsistencies from location to location within the listening space. By reducing this occurrence, Control HST provides a flatter resulting frequency response along with a more consistent sound character throughout the room. This in turn covers wall-to-wall, reduces the number of speakers required, and reduces installation cost.
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