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Polk ES20 Measurements

MDel

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Nov 4, 2020
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This is a measurement of Polk ES20 from Nuyes in dcinside.com: https://gall.dcinside.com/mgallery/board/view/?id=speakers&no=197261

polk.jpg


Onaxis.jpg

Horizontal.jpg
Vertical top.jpg
Vertical bottom.jpg
distortion 85.jpg




I'm not sure how much are his measurements reliable, though it seems to be valuable.
Here's how he measures (Korean): https://gall.dcinside.com/mgallery/board/view/?id=speakers&no=196111
with translation: Papago (naver.net)
Below is the comparison between his 8030C horizontal directivity measurement and the measurement known.

directivity comparison.gif
 
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