I was recently asked how planar transducers work, and I said something to the effect of, " they convert electrical energy into acoustic energy," to which I was asked, "Well, how?" And I realized I have no idea. I've been trying to find some literature on it, but I can't really find anything that either a) makes sense, or b) explains anything other than what I already know. When I searched this site I got only one link, https://www.the12volt.com/installbay/forum_posts.asp~TID~100432~KW~forbidden~PN~0~TPN~1 informative as it is... does anyone know where I can find information on how transducers function. Or if anyone is feeling generous, maybe they could explain it to me? Thanks much.
A planar transducer uses a flat diaphragm (or several of them, usually interleaved) driven like any other dynamic loudspeaker using current through a voice coil (usually located along the edges of the diaphragms) in a magnetic field from permanent magnets aligned with the coil. The flat diaphragm vibrates back and forth inside the magnetic field as an analog of the signal frequency.
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Exactly what I was looking for, thanks. One more question though, what allows them to be more efficient and have better sound staging than lets say a "conventional dynamic driver"?
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theetimurban wrote:
Exactly what I was looking for, thanks. One more question though, what allows them to be more efficient and have better sound staging than lets say a "conventional dynamic driver"?
Greater efficiency is most likely due to smaller moving mass, shorte Xmax and lower gauge VC wiring. Better sound staging is not necessarily true as it depends on the application.
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Oh okay, that makes sense. Hey thanks for the help.
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