Most of the things people don't understand related to perception are caused by phase. Group delay is obviously phase related.
It should be more important when people understanding about it is minimum or even wrong.
Researches had been done. Some learned more than others. Information is on the table. Some right, some wrong, but we never know which ones are diamonds. Of course, there are information which is not on table.
How do you know that you didn't change other variables too?
You know the problem. Better is a subjective term. I agree with Bill's comments.
It is an eye opener for me. It makes a lot of things certain. Most of my 'knowledge' about how things sounded are like guesses. In one or two experience i thought a certain resistor sounded thin. An ABX usually will make me able to see deeper into the sound character. For the first time i know that i don't guess.
"NFM" is easy to measure. A lot of pseudoproblems created in this thread wrapped into large cover of pseudoscience.
Yep. I used to call this the "damn, vocals are still too loud" experience. ;-)
I call it "is it still sounding realistic"
But there are definitely different types of listening even within the same room from your listening chair - one is forensic listening for particular details & the other is more macro listening - does it engage, does it fatigue, does it draw me in, do I have a better connection to the music
You know all the pseudo stuff that PMA doesn't understand & does hit & run posts
There seem to be two types of people on audio forums - those who desire "proof" of something & those who research/try for themselves those things which many people (or few trusted people) report an audible & worthwhile improvement
then there is a third type like me, constantly confused at the never ending seesaw debates about what really is or isn't important......it's time for scotch and contemplation...and more scotch....
Some people like to label people.....now, where have I heard that before?
Yea, there's another type who labels people that label people
We are in danger of running out of labels....
Anyway, I think it's fair to say that the things that are important can be shown to be important?
Indeed, if we were all in a room together I've no doubt the conversation would be less sarcastic especially if there was scotch in plentiful supply although he's from Wales & probably doesn't drink that scotch from the north
Tubes and CC resistors make for gross (strongly audible) example of excess noise....modern passives are much quieter but excess noise is still evident.
There are many factors that differentiate the $300/$3000 examples....and indeed the $300 version may have NFM that is less disagreeable sounding wrt the $3k item.
Hi Merrill.
Yes, stability of earth referencing points is critical.... ie ground plane currents must be non intermodulating, at DC and importantly at RF.
That said, earth planes are in themselves noisy.
Ime placing a small amount of my 'goop' anywhere on an earth plane or at the earth pin connection of input/output connectors alters the subjective nature/subjective level/subjective sound of the NF/NFM....something more to chew on lol.
Dan.
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