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A subwoofer (or sub) is a ... The CSA method reverses the enclosure orientation and inverts the polarity of one out of every three subwoofers across the front of the ...
An isobaric loudspeaker is a loudspeaker in which two or more identical woofers (bass drivers) operate simultaneously, with a common body of enclosed air adjoining one side of each diaphragm.
Before the bass management system, there is a LFE channel. After the bass management system, there is a subwoofer signal. A common misunderstanding is the belief that the LFE channel is the subwoofer channel. The bass management system may direct bass to one or more subwoofers (if present) from any channel, not just from the LFE channel. Also ...
Top view of an array with 2 subwoofer. The walls create mirror sources which results in a plane wave. With this specific grid layout reflections from the walls act as mirror sources. Interference of the subwoofers and mirror sources create a plane wave up to a certain frequency. The more sources the higher the frequency.
A rotary woofer is a subwoofer-style loudspeaker which reproduces very-low-frequency content by using a conventional speaker voice coil's motion to change the pitch (angle) of the blades of an impeller rotating at a constant speed. The pitch of the fan blades is controlled by the audio signal presented to the voice coil, and is able to swing ...
A shaker transmits low-frequency vibrations into various surfaces so that they can be felt by people. This is called tactile sound. Tactile transducers may augment or in some cases substitute for a subwoofer. One benefit of tactile transducers is they produce little or no noise, if properly installed, as compared with a subwoofer speaker enclosure.
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Passive radiator enclosure with front mounted passive radiator; back or side mounting is also used. A speaker enclosure using a passive radiator usually contains an "active loudspeaker" (or main driver), and a passive radiator (also known as a "drone cone").
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