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In Reply to: RE: " RAREFACTIONS " posted by pictureguy on April 18, 2015 at 09:14:51
Hi so you mean that Mr. Pass is wrong in his statement ?
Excuse me but i am really trying to understand here if what he is saying is right or wrong.
The poster was asking what could be wrong in push-pull amps i search and found the Mr. Pass argument in favor of single-ended amps and against push-pull.
Thanks.
Kind regards,
bg
Follow Ups:
I tend to disagree with Pass. Air is NOT just pressure, but when a sound producing element moves it produces pressure on one side and a rarefaction on the OTHER. 'The wave' of sound.
Do I MISunderstand Pass? Maybe. Where is the rest of the article?
Too much is never enough
Hi and thanks for the explanation
Link to the article attachedOne thing is sure ... he is very convinced on his position.
At the end he states ... " Regardless of the type of gain device, in systems where the utmost in natural reproduction is the goal, simple single-ended Class A circuits are the topologies of choice " ... stilling all doubts about his thinking.
Kind regards,
bg
Edits: 04/18/15 04/18/15
I believe it is possible to agree with Pass on his ELECTRICAL stuff without necessarily buying into his model of sound in air. It is clear that sound reaching your ear is composed of BOTH pressure higher AND lower than 'still air'. Whatever that happens to be on any particular day or time. Sound is NOT like wind blowing where you can measure a static positive pressure.
Too much is never enough
Hi and yes i think so me too.
And honestly i am a little out of my reach here. I am not a scientist.
I mentioned that article because is the only one that i have found about the push-pull vs. single-end approach.
However it is a very interesting topic. Many audiophiles like the single-ended approach especially with tubes.
Thanks again.
Kind regards,
bg
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