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These speaker grilles are a metallic or cloth mesh that are used to protect the speaker by forming a protective cover over the speaker's cone while allowing sound to pass through undistorted. [3] Speaker enclosures are used in homes in stereo systems, home cinema systems, televisions, boom boxes and many other audio
Some types of speakers have such unique characteristics that a grille would interact too much with the sound to be practical. Studio monitors , for instance, are required to reproduce audio so accurately that anything in the path of the speaker could obscure aspects of the sound, and thus are rarely seen with grilles.
The dust cap (also known as dust dome, or dome) is a gently curved dome mounted either in concave or convex orientation over the central hole of most loudspeaker diaphragms. It protects the inner mechanics (such as the pole pieces and the voice coil ) from small particles (which can cause rubs ) and other contamination.
A loudspeaker (commonly referred to as a speaker or, more fully, a speaker system) is a combination of one or more speaker drivers, an enclosure, and electrical connections (possibly including a crossover network). The speaker driver is an electroacoustic transducer [1]: 597 that converts an electrical audio signal into a corresponding sound. [2]
A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element(s). A common form (right) consists of a compression driver which produces sound waves with a small metal diaphragm vibrated by an electromagnet, attached to a horn, a flaring duct to conduct the sound waves to the open air.
Flavobacterium is a genus of Gram-negative, nonmotile and motile, rod-shaped bacteria that consists of 130 recognized species. [1] [2] Flavobacteria are found in soil and fresh water in a variety of environments.
Pedestals are used for CATV (known as a cable box in such a situation), telephone, passive optical networks, and other telecommunications systems. A pedestal is generally a sheet metal or plastic housing that encloses a passive termination block. The pedestal is usually about 3 feet high and has a diameter of less than one foot, with a circular ...
Flavobacteriales is of one of the orders from the phylum Bacteroidota. [2] Comparative genomic studies have identified several conserved indels, as well as 27 proteins that are uniquely shared by different sequenced Flavobacteriales and Bacteroidota species supporting this inference.