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Electrostatic Speakers

Mrs. Bogorin

Lauryn Overholt

on 22 January 2013

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Transcript of Electrostatic Speakers

How it's
Constructed Bibliography Research Electrostatic speakers Important
Details (cc) photo by Metro Centric on Flickr (cc) photo by Franco Folini on Flickr (cc) photo by jimmyharris on Flickr (cc) photo by Metro Centric on Flickr By Lauryn Overholt Uses Induction Uses the Law of Charges Use Static electricity The speakers are constructed with three different plates. The two outer plates (stators) are oppositely charged; ones negitively charged, and ones positively charged. In between the two plates is the diaphragm. Which causes the sound waves. These three plates are "sandwiched" together, with the thin diaphragm in the middle. The plates sit on a base that plugs into the outlet on the wall. Giving a source of electricity. Electrostatic
Speakers The electrostatic speakers charge by induction, and uses the Law of Charges to perform the soundwaves. Induction is when you bring a charged object close to a neutral object. It becomes charged without contact. The Law of Charges is like objects repel, unlike objects attract. The diaphragm is given a permanent
charge. An audio transfer gives opposite charges to the two outer plates, one
positive and one negitive. Then the Law
of Charges comes into play and the
diaphragm is attracted to the plate with the opposite charge and repelled by the other plate. This motion causes the diaphragm to
move. Then the audio transfer changes the plates charge, causing the motion again but to the other side. This pattern is repeated, making the diaphragm move back and forth, producing sound waves. There are many advantages directed to the electrostatic speakers, such as the size. Their size is very small making this device portable, also the speakers are very light.

Also there are disadvantages too, such as the bass. It isn't as strong compared to other speakers. Also these speakers are very expensive. Overall Use Induction
Use Law of Charges
Uses Static Electricity It's constructed with three thin plates. Two stators, and one diaphragm. Advantages include: Size, and weight.

Disadvantages include: Sounds and price. Diaphragm is attracted and repelled by the plates surrounding it. Then audio tranfer switches the charge of the plates, causing a different reaction. Moving the diaphragm creating sound waves. Nelson. Science Perspectives 9. Toronto: John Yip-Chuck, 2010. 488. Print. Electrostatic
Speakers The End
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