noun
: a loudspeaker in which the high-frequency reproducer is mounted at the center of and on the same axis as the low frequency reproducer (as a high-frequency horn mounted in a paper cone speaker)
noun
: a loudspeaker in which the high-frequency reproducer is mounted at the center of and on the same axis as the low frequency reproducer (as a high-frequency horn mounted in a paper cone speaker)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012