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In Reply to: RE: Pass does use IR HexFETs posted by Davey on July 30, 2014 at 22:11:39
Dave
I am assuming you include me in the speculative extrapolation group. I will say that it is true that is my first tool to investigate anything. Then you delve into the physics in parallel to finding other people's observations and designer's pet theories. From there I go to picking modsters and DIY'er minds and go on to more listening experiments and figure things out or start a project, or post the speculation online for comments and to generate more ideas, or drop an issue as either too big to tackle or postpone giving it more attention.
The main limit is that I don't want to become an electronics engineer or audio engineer (or maybe I do?...). But I still want to be able to improve my own system's performance and advise friends on improving that of their systems.
Follow Ups:
"The main limit is that I don't want to become an electronics engineer or audio engineer (or maybe I do?...)."
You should. It allows to see through much of the self deception, intellectual dishonesty, and nonsense that pervades this industry.
If your first tool of investigation is speculative extrapolation then you're starting from a premise that can immediately lead you in the wrong direction....in a variety of different ways. :)
There's nothing wrong with subjective evaluations, but you can't make any objective conclusions from it. And any subjective conclusions you make from it are only valid for you and no one else.
Dave.
Unfortunately Davey, just about every industry is like this these days. Too many people hired to spin and BS their products rather than hired to make them better, combined with an uneducated public that typically does not spend any time really researching things before they buy. This industry is particularly difficult because it is technical and few understand any of the guts of these things at all (although my kids are learning about it at the elementary level at their STEM school).The A/V industry pales in comparison to the mattress industry. Talk about lying manipulating crooks.
I though this was about my first pair of Maggies....
Edits: 08/04/14
There is little alternative for an audiophile. There are aspects of sound quality we don't have effective measurement methods for so we can't rely on by the book design guidance principles and technical evaluation alone. We also need to be able to weigh the results of particular tradeoffs for our purposes.
There is no choice but to speculate on what technical aspect results in a paricular aspect of SQ being one way or another. Hence the constant need to change items in the chain.
Finally, there are simplifying assumptions behind the engineering equations that enable quantitative design that some designers try to take into account when designing with particular components in mind. Pass is one in particular who pays attention to these things in his white papers and we presume he does so in his designs, particularly for the First Watt designs.
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