The Loudspeakers

Elisha Gray

The Loudspeakers

Who do I invent the loudspeakers?

• The first electrical synthesizer of music was invented by Elisha Gray in 1876. He invented a basic oscillator of note. It used flageolets of steel that his vibrations were transmitted on a telephonic line by the use of electroimánes.

What is a loudspeaker?

New loudspeaker

• A loudspeaker is an acoustic driver who transforms electric power into acoustics. This does not happen directly. First, they transform the electric power into mechanics and then the mechanical energy into acoustics.

Older loudspeaker

Parts of a loudspeaker.

• Magnetic Part: the magnet and the mobile bobbin compose it. Here, the electric power comes to the mobile bobbin placed inside the magnetic field and because of it there produces to itself the movement of the mobile bobbin.
• Mechanical Part: formed by the cone and his suspension. On the cone there is mounted the mobile bobbin, which on having moved drags to the cone and to make it vibrate. 
• Acoustic Part: it is the one that transmits to the enclosure of hearing the sonorous energy developed by the cone.