A great way to get the most out of your gear is to know exactly how it works. This will not only help you have a better understanding of how to address problems when they arise, but give you a better understanding of every facet that goes into your tone. With that in mind, we'd like to take a closer look at how speakers work, and who better to explain than the professionals at Eminence themselves:  

Eminence Speakers

The key working components of a loudspeaker are shown in the diagram below. When an electrical current passes through a wire coil (the voice coil) in a magnetic field, it produces a force which varies with the current applied. The cone, connected to the voice coil, moves in and out, creating waves of high and low air pressure. speaker_components (1)The coil and magnet assembly are the ‘motor structure’ of the loudspeaker. The movement is controlled by the loudspeaker’s suspension which comprises the cone surround and the ‘spider’. The surround and spider allow the coil to move freely along the axis of the magnet’s core (or ‘pole’) without touching the sides of the magnetic gap. Eminence technology and proprietary materials mean that age-old ‘compromises’ of durability against sensitivity, or power handling against precision of response, are more easily solved than you might imagine.

Heatsinks

In the quest for higher power density (more power and hence more sound from less space), Eminence has progressively introduced heatsink components to selected transducers e.g. cast frame neodymium products and Kilomax. The heatsinks pass through the pole of the transducer or are incorporated into the chassis of the loudspeaker to transfer heat away from the coil. The air currents caused by the cone movement cool the heatsink.  

Your Turn to Sound Off!

Did you know that this was how speakers are constructed?

Sound off in the comment section below!

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