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  1. Acoustics
  2. AKG Acoustics
  3. Audio feedback
  4. Audio level compression
  5. Audio quality measurement
  6. Audio-Technica
  7. Balanced audio connector
  8. Beyerdynamic
  9. Blumlein Pair
  10. Capacitor
  11. Carbon microphone
  12. Clipping
  13. Contact microphone
  14. Crosstalk measurement
  15. DB
  16. Decibel
  17. Directional microphone
  18. Dynamic range
  19. Earthworks
  20. Electret microphone
  21. Electrical impedance
  22. Electro-Voice
  23. Equal-loudness contour
  24. Frequency response
  25. Georg Neumann
  26. Harmonic distortion
  27. Headroom
  28. ITU-R 468 noise weighting
  29. Jecklin Disk
  30. Laser microphone
  31. Lavalier microphone
  32. Loudspeaker
  33. M-Audio
  34. Microphone
  35. Microphone array
  36. Microphone practice
  37. Microphone stand
  38. Microphonics
  39. Nevaton
  40. Noise
  41. Noise health effects
  42. Nominal impedance
  43. NOS stereo technique
  44. ORTF stereo technique
  45. Parabolic microphone
  46. Peak signal-to-noise ratio
  47. Phantom power
  48. Pop filter
  49. Positive feedback
  50. Rode
  51. Ribbon microphone
  52. Schoeps
  53. Sennheiser
  54. Shock mount
  55. Shure
  56. Shure SM58
  57. Signal-to-noise ratio
  58. Soundfield microphone
  59. Sound level meter
  60. Sound pressure
  61. Sound pressure level
  62. Total harmonic distortion
  63. U 47
  64. Wireless microphone
  65. XLR connector



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From Wikipedia, the free encyclopedia


Electro-Voice (commonly referred to as EV) is a manufacturer of high quality audio equipment such as microphones, amplifiers and loudspeakers. A subdivision of Telex Communications Inc., Electro-Voice markets its products for use in small or large concert venues, houses of worship and in retail situations.


On September 1, 1927, Lou Burroughs and Al Kahn began a business servicing radio receivers in South Bend, Indiana. The small business flourished, and became the most popular radio repair shop in South Bend. After almost being wiped out by the depression, the two found themselves insolvent to the extent of $5,000. In order to pay their creditors, they had to move into the audio field. On June 1, 1930, they incorporated under name "Electro-Voice".

Burroughs and Kahn saw an opportunity in the poor quality and high prices of microphones. They purchased a lathe and a drill, and started producing about one microphone a week. Soon after, Burroughs withdrew from the business, leaving complete ownership to Kahn. By 1933, the small radio repair business' debts were completely paid off.

Now out of debt, Electro-Voice could start hiring people to help in the production of the products, and in 1936, twenty people were hired and Lou Burroughs returned as chief engineer. At that point, Electro-Voice started to make significant contributions to the audio industry.

In 1946, the business moved to a bigger facility and expanded engineering began. In 1948, they started to produce phonograph pick-up cartridges, which was an instant success. In 1950, they started production of the first automatic TV booster which sold in great quantities. They also started to design and produce a loudspeaker line. This timing proved to be right for their tooling, designs and distribution was set up when the market expanded in 1952. In 1963 EV received the first Academy Award ever given for an audio product, the 642 Cardiline shotgun microphone.

Today EV manufactures the RE20, RE27 N/D and RE50, three of the most widely used broadcast microphones in the United States.

External links

  • Homepage
  • Telex Communications, inc
  • History of Electro-Voice, as written in 1953, from
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