Electro-Voice

As a subdivision of Bosch Communications Systems Inc. since 2006, Electro-Voice markets products for use by consumers as well as small or large concert venues, broadcasting, houses of worship, and in retail situations.

The company designed a PA system for Notre Dame football coach Knute Rockne.

[2][3] The partners recognized an opportunity to capitalize on what they perceived as the generally poor quality and high prices of existing microphones.

By 1933, the previous business debts were completely paid off, and Electro-Voice began hiring manufacturing employees.

EV licensed the patent to the government for free to be applied by other manufacturers to produce what was needed for the war supply.

[7][9] They also started to design and produce a consumer loudspeaker line in response to increased public interest in high-fidelity music listening.

[11][12] In 1963, EV received an Academy Award for their 642 Cardiline shotgun microphone, the first ever given for an audio product.

[7] Electro-Voice launched its RE Series of microphones in the 1960s, notably the RE15, which was used extensively by musicians on television shows.

[13] In 1978, Electro-Voice patented its Constant Directivity Horn, which produced an even balance of frequencies across the listening field.

[16] Today EV manufactures widely used broadcast microphones as well as loudspeakers and various other professional audio equipment.

The waste disposal activities caused groundwater to become contaminated with chemicals called volatile organic compounds, or VOCs.

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