FIELD: audio engineering. SUBSTANCE: passive radiator made of synthetic film is stretched onto loudspeaker body and joined with electrodynamic head diffuser through closed-circuit air gap which ensures effective radiation of loudspeaker in the range of low frequencies and reduction of distortions when reproducing audio signals of aperiodic nature at high rate of rise of amplitude. EFFECT: enhanced radiation efficiency of loudspeaker. 1 dwg
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