A subwoofer is a type of individual device in a loudspeaker that contributes to sound creation, has a conical diaphragm, and is usually used to produce the mid and low frequency portions of the music signal.

Subwoofers were first developed to add bass response to home stereo systems. Subwoofers became popular when the sensurround system was introduced, namely: A system for boosting audio that produces loud sounds from low frequencies through the subwoofer.

Usually the Subwoofer is used to reproduce low-pitched bass audio frequencies. Typical frequency ranges for a subwoofer are around 20 - 200 Hz for consumer products, below 100 Hz for lively professional sound, and below 80 Hz in THX approved systems.

This subwoofer is intended to add to the low frequency vulnerability of loudspeakers covering the higher frequency bands. Subwoofers are made for one or more loudspeaker transducers in a loudspeaker cabinet that is able to withstand air pressure while resisting deformation.

Subwoofers are becoming popular in home stereo systems, car audio costume installations, and in power amplifier systems. Now subwoofers are becoming universal in sound reinforcement systems, for example: The combination of microphones, signal processors, power amplifiers and loudspeakers that makes sound alive in a concert venue.

In this application, it contains an understanding of the subwoofer, various subwoofer circuits and how to design the subwoofer box. For more details, please download this application for free without being charged anything forever.

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