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Low Earth Orbit
DIY Audio
60 Degree DIY Mid Hi - AKA PM60
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<blockquote data-quote="Ivan Beaver" data-source="post: 148318" data-attributes="member: 30"><p>Re: 60 Degree DIY Mid Hi</p><p></p><p></p><p>If the drivers were rated with sine waves-they would be rated much lower. But a sine wave would only test the heating of the voice coils. Overexcursion is another problem with failures. The noise also stresses this.</p><p></p><p>The box/speaker is not a factor in the loudspeaker driver manufacturers specs. Those are tested in free space-since there is no way the manufacturer can possibly know what box a driver would be used in.</p><p></p><p>Some designs will have different ratings in different boxes. Some designs cool better than others.</p></blockquote><p></p>
[QUOTE="Ivan Beaver, post: 148318, member: 30"] Re: 60 Degree DIY Mid Hi If the drivers were rated with sine waves-they would be rated much lower. But a sine wave would only test the heating of the voice coils. Overexcursion is another problem with failures. The noise also stresses this. The box/speaker is not a factor in the loudspeaker driver manufacturers specs. Those are tested in free space-since there is no way the manufacturer can possibly know what box a driver would be used in. Some designs will have different ratings in different boxes. Some designs cool better than others. [/QUOTE]
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60 Degree DIY Mid Hi - AKA PM60
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