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What is the PA speaker?
PA speaker [Public addresess speaker] is a speaker used for the platform at the hall and the station, the schools, and the street broadcasting, etc. unlike the speaker of the usage used by the ordinary family.
Efficiency is high, and it is height of the-proof input and is hard to be valued most in the PA speaker to break. It is generally thought it is inferior when those factors are valued by tone quality compared with the speaker for pure audio used by all means for the ordinary family.
However, superiority might not be able to be described because there is a person who brings this PA speaker in domestically and uses it in the mania, too. Mr. Terashima famous for the JAZZ commentary seems to put the PA speaker for the theater named A7 of Al Tech in a small room and to be used.
By the way, six PA speakers were designed from the Nagaoka teacher through life by the product number named PA.
