Understanding & Function Speaker Hardware in the form of Speaker is a tool with a position almost can not be separated again with the computer. Therefore, speakers have a very important role in issuing the results of processing the sound. Of course, most computer users like music or video so require speakers to support the wishes earlier. The computer speakers may function properly if supported by a sound card or audio / sound processor. As for the model, speakers have a variety of shapes, features and sizes. SPEAKER DEFINITION Speaker is a hardware output that serves to output the processing by the CPU in the form of audio / sound. Speakers can also be called tools for sound output generated by music devices such as MP3 Player, DVD Player and so forth. FUNCTION SPEAKER In the context of computerization, speakers have a function as a tool to convert electrical waves that originally from an audio / sound amplifier device into a vibration wave that is in the form of the sound itself. The process of the electromagnetic wave changes to the sound wave starts from the existing electric current in the audio / sound amplifier and then flowed into the coil. In the coil had occurred the effect of magnetic force on the speakers in accordance with the weak-electric current obtained, the resulting vibration Ie on the membrane will follow. Thus, there are sound waves that we can hear everyday. COMPUTER SPEAKER PARTS The cavity of the cavity (conus). Serves to produce pressure waves caused by the movement of the surrounding air from the movement of the coil. It is the pressure waves we hear everyday as sound. Membrane. Serves to receive the induction process of the magnet which then produces the sound caused by its vibration (induction). Magnet. It functions to induce the membrane and also to produce a magnetic field. Coil. It functions to drain the movement energy to the conus or cavity block. The changes that occur in the magnetic field of the speakers cause the motion of the coil caused by the interaction between the coils with the magnetic field constant. Casing. Serves to protect the entire inside of the speakers. Chassis model itself is quite diverse, such as paper, plastic, metal, or mixture material called composite. 
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