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Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups
(AREA)
Abstract
Speaker capsule, consisting essentially of a base or circular resonance box with the rear holes for the output of the connection terminals, inside which a proper speaker is housed, whose box is closed with a lid press fit to the edges of that, which is perforated in its center for the directed exit of sound. (Machine-translation by Google Translate, not legally binding)