Bandwidth Limitations Of Class D Amps??

After listening to them and also measuring them, they do not come up to the sound quality or measurments of good linear amps in the upper mids to trebble.
I conceed they are great value for the money. But if one is into great sound and is an audio buff this is then where they fall down.
In the future when the switching frequency can be much higher then I can see even I will change over to them.
But at the moment I will stick with linear until that happens, and it will happen as technology advances with the high speed switching frequency.

Cheers George

"After listening to them and also measuring them..."

Hi George, which are the class D amps that you have listened to and measured?

Thanks, G.

They all have the same characteristics with their mandatory switching filters on their outputs. And the ones that have smp power supplies have even another problem to deal with, regarding noise.
I'm not going to point the finger at any brands as that would be against forum policies. And I have been warned a couple of years back for it.
All you have to do is listen to them against good linear amps on a revealing system. Then look at any graph/tests done with power output vs thd in the higher audio frequencies and see how it rises very quickly vs lower frequencies, look if you can get it current output in the upper frequencies vs the lower frequencies. Then also if you get get them the phase shift from 10khz to 20khz. And then for good measure the noise figures in the upper frequencies vs lower.

" Class D " and the virtues of, a guru roundtable discussion setup by Absolute Sounds

http://www.stereo.net.au/forums/index.php?/topic/50607-class-d-and-the-virtues-of-a-guru-roundtable-discussion-setup-by-absolute-sounds/#entry843343

Cheers George

George,

You did not answer gc's question or address my points.

Uhrn, George.... I apologize, but I develop stomach cramps whenever attempting to cope with the kafkian use of dangling pronouns... So, wouldn't you mind disambiguating a bit, and churn out some honest to Gaia makes and models, so to alleviate my psycho-somatic angsts?

May I also suggest you rest for a spell your cherished passion for ancient historiography of class D lore -- admittedly of the most guruesque kind: leave your oscillators and spectrum analyzers at home, go out in the field, and treat yourself to some listening of brand new class D amps!

You might find the experience, uhrn... well.... "Veritas'bly" uplifting *grins!*