Audio Amplification (part i)
Exploring the ancient technologies, origins and Heritage
If we dig down into the history, we will reach the revolutionary Tesla/Edition era when lot of technological breakthroughs and inventions were happening and we come across the very first audio amplifier cum recording device which was purely mechanical invented by Edison. He called it phonograph. Before we get technical and explore the bits & pieces of this device it will be of a matter of curiosity and of interest to hear what it sounded like.
I Am The Edison Phonograph
This 1906 recording enticed store customers with the wonders of the invention.
Not bad indeed, for the world’s first amplifier!
Edison’s phonograph was ingeniously simple yet accurate in doing its job. It was actually a recorder as well as player.
Thomas Alva Edison conceived the principle of recording and reproducing sound between May and July 1877. This was an offshoot his efforts to “play back” recorded telegraph messages and to automate speech sounds for transmission by telephone.
It has 3 structural elements in it as seen on the cover image of the patent below.
What changed from Edison’s Phonograph to modern Turntable