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Subwoofers
difference from a sub clipping and bottoming
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<blockquote data-quote="ciaonzo" data-source="post: 6017398" data-attributes="member: 607015"><p>When taken out of context, things are not what they seem. What you quoted was only representing one type of amplifier, which was a tube design.</p><p></p><p>Watch what happens when I do the same thing.</p><p></p><p><span style="color: SeaGreen"><strong>DC Coupled - With a completely DC coupled amplifier (having neither the input cap nor the feedback cap), the situation is made even worse. The effective DC voltage presented to the loudspeaker load is 3.5V after 20ms, rising to 4.4V at 100ms. Although the voltage with this waveform will not get a great deal worse than measured, there are some waveforms that can easily impress up to 15V DC onto the voicecoil - this is likely to push the coil so far out of the gap that gross intermodulation distortion will occur in the loudspeaker, adding to the harmonics generated by the amplifier clipping.</strong></span></p><p></p><p>This represents yet another type of amplifier but from the exact same article.</p><p></p><p>I've read practically every article on BCAE and it's not the end all be all for everything electronic. It is a very valuable resource however.</p></blockquote><p></p>
[QUOTE="ciaonzo, post: 6017398, member: 607015"] When taken out of context, things are not what they seem. What you quoted was only representing one type of amplifier, which was a tube design. Watch what happens when I do the same thing. [COLOR=SeaGreen][B]DC Coupled - With a completely DC coupled amplifier (having neither the input cap nor the feedback cap), the situation is made even worse. The effective DC voltage presented to the loudspeaker load is 3.5V after 20ms, rising to 4.4V at 100ms. Although the voltage with this waveform will not get a great deal worse than measured, there are some waveforms that can easily impress up to 15V DC onto the voicecoil - this is likely to push the coil so far out of the gap that gross intermodulation distortion will occur in the loudspeaker, adding to the harmonics generated by the amplifier clipping.[/B][/COLOR] This represents yet another type of amplifier but from the exact same article. I've read practically every article on BCAE and it's not the end all be all for everything electronic. It is a very valuable resource however. [/QUOTE]
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difference from a sub clipping and bottoming
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