History Of Microphones

Question 1

1827

Answer 1

Sir charles Wheatstone coined the phrase “microphone”.

Question 2

1876

Answer 2

First microphone used as a telephone transmitter

Question 3

1878

Answer 3

Carbon microphone was invented by David Edward Hughes.

Question 4

1916

Answer 4

Condenser (capacitor) microphone was invented by Bell Labs

Question 5

Mid 1920s

Answer 5

Invention of Electronic vacuum tube amplifier which gave greater volume output for devices like microphones.

Question 6

Late 1920s

Answer 6

Omnidirectional microphone was invented.

First model was The Westenr Electric 618A by Wente and Thuras.

Question 7

1942

Answer 7

Invention of Ribbon microphones.
Most popular models were the 44BX and 77DX by Harry Olson at RCA.
First ribbon microphones were extremely fragile but had a high quality sound.

Question 8

1962

Answer 8

Invention of Electret Microphones by Bell Laboratories.

It offered greater reliability, higher precision, lower costs and smaller sizes.