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<blockquote data-quote="Hennie" data-source="post: 17673" data-attributes="member: 20"><p>No it was definitely not my eyes. The rest of the room remained in focus, while the TV showed some out of focus bands across the screen.</p><p></p><p>After exchanging TV's the bands were still present. After exchanging DVD players the problem disappeared. My logic says it was the DVD player.</p><p></p><p>I once observed a similar phenomenon with Timber's big monster speaker at full blast, when his PC screen blurred. But I had my fingers in my ears all the time, and the rest of the room was in focus....I think it was the current pulses from the mains going into those EP2500's causing magnetic interference on the PC screen.....or some other magnetic interference.....I don't think it was acoustic feedback or microphony.</p><p></p><p>But that was probably in excess of 130 dB!</p></blockquote><p></p>
[QUOTE="Hennie, post: 17673, member: 20"] No it was definitely not my eyes. The rest of the room remained in focus, while the TV showed some out of focus bands across the screen. After exchanging TV's the bands were still present. After exchanging DVD players the problem disappeared. My logic says it was the DVD player. I once observed a similar phenomenon with Timber's big monster speaker at full blast, when his PC screen blurred. But I had my fingers in my ears all the time, and the rest of the room was in focus....I think it was the current pulses from the mains going into those EP2500's causing magnetic interference on the PC screen.....or some other magnetic interference.....I don't think it was acoustic feedback or microphony. But that was probably in excess of 130 dB! [/QUOTE]
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