Patent Translate Powered by EPO and Google Notice This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate, complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or financial decisions, should not be based on machine-translation output. DESCRIPTION JPS59161792 [0001] Brief description of the drawings [0002] FIG. 1 is a perspective view of a speaker unit (a front decoration frame is omitted) provided with a conventional equalizer, FIG. 2 is a partially cutaway perspective view of the front protective plate of the present invention attached to a baffle plate, and FIGS. FIG. 4 shows the frequency characteristics of the speaker unit of the speaker system of the present invention (the same parts as those in each drawing have the same reference numerals). 1) a baffle, 2 a speaker unit, 3 a vibrating plate, 4 a front protective plate, 5 a small concave hole, 6 a small through hole, and 7 an equalizer. 01-05-2019 1
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