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Old 09-12-2010, 11:42 AM
Confuseling Confuseling is offline
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Join Date: May 2010
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Default What causes microphonics, anyway?

Having trouble finding a specific explanation for this (well, a coherent one anyway... ). Why does it happen in IEMs, and not 'cans'? Only explanations I can think of are that the driver is lighter and takes less energy to move, so more susceptible to vibration and electromagnetic noise, or that the size of the casing doesn't allow for magnetic shielding.

Part of it seems to just be the trapped air echoing when the IEM vibrates, but there seems to be more to it than that when the thing is actually on - though I could just be imagining it.

Anyone actually know?


Edit - Although having now just had a play, I'm more convinced I'm imagining it... It doesn't seem louder / different when they're on. This raises the question, if it's just having a plug in your ear with string attached that'll do it, what factors make it worse in some IEMs than others?

Last edited by Confuseling; 09-12-2010 at 11:51 AM.
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