Video Asylum

RE: Does a plasma set require shielded speakers?

128.115.27.11

Hornlover

In Reply to: RE: Does a plasma set require shielded speakers? posted by geoff on November 14, 2008 at 06:20:04

CRT's use magnetic deflection to steer the electron beam, scanning the phosphor coated tube. A stray magnetic field from non-shielded loudspeakers can interfere with the TV�s magnetic field. The stronger the loudspeakers magnet, the farther away it can cause problems (my Selenium WPU1505�s large magnet system caused havoc with my Sony Wega starting about 9 feet away!
Flat panel TV�s, either LCD or plasma, do not use a magnetic field (the pixels are not �scanned�, but turned on and off electronically). With a flat panel, shielded loudspeakers are not necessary.

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