far0n Posted January 23, 2012 Share Posted January 23, 2012 Why is the SA450 a class A/B amp, yet the more powerful ones are class D ? Is there some electrical reason why the more powerful ones aren't A/B also ? Heat possibly ? I don't know ! Ta. Quote Link to comment Share on other sites More sharing options...
Bottle Posted January 23, 2012 Share Posted January 23, 2012 [quote name='far0n' timestamp='1327331135' post='1509410'] Why is the SA450 a class A/B amp, yet the more powerful ones are class D ? Is there some electrical reason why the more powerful ones aren't A/B also ? Heat possibly ? I don't know ! Ta. [/quote] Pretty much spot-on! Also power supply requirements are smaller for class D as it is more efficient etc - class AB is not as efficient and requires a larger power supply compared with a class D of equivalent output power, and hence weight savings, or more room to shoe-horn more power into a given space etc HTH, Ian Quote Link to comment Share on other sites More sharing options...
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