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<blockquote data-quote="PPI_GUY" data-source="post: 8654524" data-attributes="member: 618066"><p>The fact is GaN FET amplifiers are coming. They'll become more common in home audio first and then make their way to car audio.</p><p> 90% efficient car amplifiers do not exist AFAIK. You may get the occasional well thought out amp that is 80% efficient @ 4 ohm loads. But, with GaN FET's we're talking about 90-95% efficient with sound quality that rivals class A. You don't think that is significant? It's at least as important as the move from class a/b to class D that is the underlying subject of this thread.</p><p> And ALL of car audio will benefit, including the SPL crowd where every last 1/10th of a watt is coveted and solid/stable electrical is vital.</p><p> I can see a day in the not so distant future when aftermarket amplifiers the size of a cell phone will be capable of producing 1000 watts or maybe more.</p><p> Which brings us back to the question of viability regarding class a/b amps like Bernie's. </p><p></p><p> </p></blockquote><p></p>
[QUOTE="PPI_GUY, post: 8654524, member: 618066"] The fact is GaN FET amplifiers are coming. They'll become more common in home audio first and then make their way to car audio. 90% efficient car amplifiers do not exist AFAIK. You may get the occasional well thought out amp that is 80% efficient @ 4 ohm loads. But, with GaN FET's we're talking about 90-95% efficient with sound quality that rivals class A. You don't think that is significant? It's at least as important as the move from class a/b to class D that is the underlying subject of this thread. And ALL of car audio will benefit, including the SPL crowd where every last 1/10th of a watt is coveted and solid/stable electrical is vital. I can see a day in the not so distant future when aftermarket amplifiers the size of a cell phone will be capable of producing 1000 watts or maybe more. Which brings us back to the question of viability regarding class a/b amps like Bernie's. [/QUOTE]
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