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<blockquote data-quote="mikechec9" data-source="post: 843832" data-attributes="member: 560462"><p>it is often times hindering to understate another's point. further, it would bennefit us all to quote beyond forums, as if one were to quote yourself on this forum, he would be poorly informed. with all respect due.</p><p></p><p>this is a quote from "<em>basic</em>" car audio and electronics:</p><p></p><p><a href="http://www.bcae1.com/2ltlpwr.htm" target="_blank">http://www.bcae1.com/2ltlpwr.htm</a></p><p></p><p>If a relatively low powered amplifier is driven into clipping (to a full square wave for a lot of people), a relatively large portion of the time, the voltage delivered to the voice coil no longer resembles a sine wave as it would with an unclipped signal. While the amplifier's output is clipped, the voice coil is not being motivated to move as far as it should for the power that's being delivered to it and therefore is likely not being cooled sufficiently.</p><p></p><p>It always amazes me when I hear some idiot driving down the road and the audio is clearly <strong><em>distorted</em></strong> (is that possible <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />. Many people drive their amplifiers into what could be called a square wave output (white line below). When an amplifier is pushed that hard, it is actually possible to drive the speaker with twice as much power as the amplifier can <strong><em>cleanly</em></strong> produce into the speaker. This means that the power is double but the cooling of the voice coil will not increase in proportion with the power increase (since the voice coil isn't moving as much as it needs to be for the given power dissipation). This will lead to the voice coil overheating.</p><p></p><p><strong>If we compared the output of a 100 watt amp (the one that's clipping) to a 200 watt amp, the 200 watt amplifier would be able to push the speaker as much as 40% farther than the 100 watt amp </strong> (depending on the frequency of the signal). This extra travel (in each direction from its point of rest) would result in <em>added </em> airflow around the voice coil.</p><p></p><p>Point=&gt; give your subs insufficient power=clipping=distortion=bad</p><p></p><p>give your subs more than adequate power=clean signal=good</p></blockquote><p></p>
[QUOTE="mikechec9, post: 843832, member: 560462"] it is often times hindering to understate another's point. further, it would bennefit us all to quote beyond forums, as if one were to quote yourself on this forum, he would be poorly informed. with all respect due. this is a quote from "[I]basic[/I]" car audio and electronics: [URL="http://www.bcae1.com/2ltlpwr.htm"]http://www.bcae1.com/2ltlpwr.htm[/URL] If a relatively low powered amplifier is driven into clipping (to a full square wave for a lot of people), a relatively large portion of the time, the voltage delivered to the voice coil no longer resembles a sine wave as it would with an unclipped signal. While the amplifier's output is clipped, the voice coil is not being motivated to move as far as it should for the power that's being delivered to it and therefore is likely not being cooled sufficiently. It always amazes me when I hear some idiot driving down the road and the audio is clearly [B][I]distorted[/I][/B] (is that possible :-). Many people drive their amplifiers into what could be called a square wave output (white line below). When an amplifier is pushed that hard, it is actually possible to drive the speaker with twice as much power as the amplifier can [B][I]cleanly[/I][/B] produce into the speaker. This means that the power is double but the cooling of the voice coil will not increase in proportion with the power increase (since the voice coil isn't moving as much as it needs to be for the given power dissipation). This will lead to the voice coil overheating. [B]If we compared the output of a 100 watt amp (the one that's clipping) to a 200 watt amp, the 200 watt amplifier would be able to push the speaker as much as 40% farther than the 100 watt amp [/B] (depending on the frequency of the signal). This extra travel (in each direction from its point of rest) would result in [I]added [/I] airflow around the voice coil. Point=> give your subs insufficient power=clipping=distortion=bad give your subs more than adequate power=clean signal=good [/QUOTE]
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