Electro-Voice
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Electro-Voice is an American manufacturer of audio equipment, including microphones, amplifiers, and loudspeakers, focused on pro audio applications such as sound reinforcement and commercial and resi
Electro-Voice "Century" crystal microphone, model 915
Electro-Voice received a 1963 Academy Award for their 642 Cardiline shotgun microphone.
Electro-Voice RE-27N/D microphone
1978 US patent sketch of Electro-Voice constant-directivity horn
Compression driver
Videos
A compression driver is a small specialized diaphragm loudspeaker which generates the sound in a horn loudspeaker. It is attached to an acoustic horn, a widening duct which serves to radiate the sound
A compression driver (cylindrical box at rear) on a midrange horn speaker used in a home audio system