Clipping

richie00boy · 15th January 2008, 08:05 PM

When a typical class-d amp is driven into clipping, does it's efficiency drop to below that of which a typical class-ab amp would exhibit driven to the same level of clipping? If so what mechanism causes this?

raintalk · 15th January 2008, 09:09 PM

I have never seen any curve that shows a drop in efficiency.

Here's some reference materials
http://sound.westhost.com/articles/pwm.htm

http://www.diyaudio.com/forums/showt...47#post1321147

luka · 16th January 2008, 05:36 AM

Hi

Efficiency is even higher in clipping, I think, since output power is closer to input power

15th January 2008, 08:05 PM	#1
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	Clipping When a typical class-d amp is driven into clipping, does it's efficiency drop to below that of which a typical class-ab amp would exhibit driven to the same level of clipping? If so what mechanism causes this? __________________ www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more

16th January 2008, 05:36 AM	#3
luka diyAudio Member Join Date: Sep 2005 Location: in Slovenia :)	Hi Efficiency is even higher in clipping, I think, since output power is closer to input power __________________ home page @ http://www.classdaudio.co.cc @ 24/7 all year long I FEEL SLOVENIA

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15th January 2008, 09:09 PM	#2
raintalk diyAudio Member Join Date: Jul 2004 Location: Seattle USA	I have never seen any curve that shows a drop in efficiency. Here's some reference materials http://sound.westhost.com/articles/pwm.htm http://www.diyaudio.com/forums/showt...47#post1321147

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