Subwoofer

Abstract

The invention discloses a bass loudspeaker box, which is characterized by comprising a loudspeaker box body, an upper cover and a lower cover, wherein the front side of the loudspeaker box body is provided with a first bass unit, the top surface and the bottom surface of the loudspeaker box body are provided with an upper groove and a lower groove respectively, the upper groove and the lower groove are internally provided with a third bass unit and a second bass unit respectively, both the second bass unit and the third bass unit face towards the internal part of the loudspeaker box, the uppercover and the lower cover are respectively connected at the top and the bottom of the loudspeaker box body, a first cavity is formed between the upper cover and the upper groove, the first cavity iscommunicated with the upper groove, a second cavity is formed between the lower cover and the lower groove, the second cavity is communicated with the lower groove, and the internal part of the wholeloudspeaker box forms a closed space. The bass loudspeaker box can have an astonishing low distortion degree at an extremely low low-frequecy submergence degree, achieves an excellent speed by explosive unit motion and can eliminate the phenomena of nonlinear distortion and dynamic shortage caused by swinging and shifting of a vibration basin when only one bass unit is adopted.

Description

Technical field [0001] The invention relates to a bass sound box, belonging to the technical field of audiovisual equipment. Background technique [0002] Speaker refers to a device that can convert audio signals into sound. In layman's terms, it means that the main speaker cabinet or the subwoofer cabinet has its own power amplifier, and after amplifying the audio signal, the speaker itself will play back the sound to make the sound louder. The traditional bass sound box has a hole on the box body, and an inverter tube is connected to the opening in the sound box, so that the sound box can obtain a better bass effect. This kind of subwoofer can be loud and marked with great power, but this design will lead to insufficient dynamic response speed, produce the familiar overclocking turbidity, and the out-of-control sound, which sounds very uncomfortable. These open-hole subwoofers will produce airflow buzzing sound at a certain frequency. This is the airflow sound squeezed from t...

AI Technical Summary

Problems solved by technology

This kind of subwoofer can be played very loudly, and it is marked with great power, but this design will lead to insufficient dynamic response speed, resulting in the familiar overfrequency turbidity and uncontrolled sound, which sounds very uncomfortable

These open-hole subwoofers will produce airflow hum at a certain frequency, which is the sound of airflow squeezed out from the inside of the box through the opening holes, which will cause unpleasant listening sensations and make the subwoofer more distinctive. Directionality, the user will always feel that the subwoofer is coming from a certain direction, and cannot produce a 3D sense of space

Moreover, the speakers in the prior art are prone to non-linear distortion, which affects the audio-visual effect

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