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DIY For Audio
"Left brain going right brain" amplifier
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<blockquote data-quote="JimGore" data-source="post: 407882" data-attributes="member: 3"><p>That's correct.</p><p></p><p></p><p></p><p>This part of your question is somewhat frustrating to me, but I will answer it one more time (it has already been answered at least 3 or 4 times by me in this thread).</p><p></p><p>I am going to measure the MINIMUM impedance of the speaker ONCE during the power-up sequence of the amplifier. After I find the MINIMUM, the amplifier will adjust itself to provide maximum power into that load. This will NOT happen at any other time or during music playback.</p><p></p><p></p><p></p><p>Understood. I was planning on designing around this - ensuring the amplifier is stable at minimum and maximum gain settings shouldn't be too hard. Anything in-between will then be within the parameters so should be fine.</p><p></p><p>I did however have some other discussions with clever guys yesterday, and they have given me some other ideas around the implementation that may make things easier and cause less stability concern. I will simulate some of these and see what I come up with.</p><p></p><p>Cheers,</p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 407882, member: 3"] That's correct. This part of your question is somewhat frustrating to me, but I will answer it one more time (it has already been answered at least 3 or 4 times by me in this thread). I am going to measure the MINIMUM impedance of the speaker ONCE during the power-up sequence of the amplifier. After I find the MINIMUM, the amplifier will adjust itself to provide maximum power into that load. This will NOT happen at any other time or during music playback. Understood. I was planning on designing around this - ensuring the amplifier is stable at minimum and maximum gain settings shouldn't be too hard. Anything in-between will then be within the parameters so should be fine. I did however have some other discussions with clever guys yesterday, and they have given me some other ideas around the implementation that may make things easier and cause less stability concern. I will simulate some of these and see what I come up with. Cheers, Ian. [/QUOTE]
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DIY & Tutorials
DIY For Audio
"Left brain going right brain" amplifier
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