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Nearly all manufacturers do not advertise/exhibit their product measurements? Why?

After my Audio Science Review review forum, it became apparent that nearly the only way one can determine the measurements of an audio product is wait for a review on line or in a publication.  Most equipment is never reviewed or is given a subjective analysis rather than a measurement oriented review.  One would think that manufacturers used tests and measurements to design and construct their products. 

Manufacturers routinely give the performance characteristics of their products as Specifications.  Those are not test measurements.

I searched the Revel speaker site for measurements of any of their speakers and could not find any.  Revels are universally lauded for their exceptional reviewed measurements.  Lack of published manufacturer measurements is true for nearly every speaker manufacturer I've searched for on line, perhaps several hundred.   Same is true for amps, pre-amps, DACs, transports, turntables, well you get the picture.  Do they have something to hide?   I doubt the good quality products have anything to hide but poor quality products do.  

ASR prides itself in providing "true" measurements that will aid in purchase decisions.   Why don't the manufacturers provide these measurements so that reviewers can test if they are truthful or not?

Then there are the cables and tweaks for which I suspect that there are inadequate tests available to measure sonically perceived differences but which objectivists believe don't exist or are "snake oil."  

Well, please chime in if you have some illuminating thoughts on the subject.   

I would have loved to see manufacturers measurements on my equipment and especially those that I rejected.  

fleschler
amir_asr
777 posts
 

@westcoastaudiophile 

@amir_asr "Do you really think we don’t listen to music?”using your own jargon, what “irks" me is a claim as you are able to distinguish in your listening tests between 0.001% and 0.005% THD sources, employing ~5% HD speakers, and unknown real load HD amp.

I haven't said that so it shouldn't irk you.  What should make you upset is folks paying orders of magnitude more, only to get a less performant audio device. 

Many people here say as actual "A” SQ quality is better than “B”, even if setup “B” includes lil better measured standalone component, assuming integrated system performance. 

That's not remotely what they say.  They say they buy gear based on what they "hear."  They completely ignore measurements.  All they have to do is demonstrate that they only used their ears and we will be pals.  But they refuse to close their eyes and provide no other means to connect the experience to only what they hear.

yyzsantabarbara
4,937 posts
 

@mitch2 I need to get a second preamp and I was deciding between the HPA4/LA4 and the Holo Serene.

Alpha Audio NET - Review Holo Audio Serene Level 1 preamplifier – Tastefully Serene (alpha-audio.net)

Holo Audio Serene Preamplifier - Analog Components - Audiophile Style

The above review compares the 2 preamps. I already own the LA4, and it is an end game preamp for my office. I have to decide today whether to buy a used HPA4 or the Serene. Not sure which way I will go on that.

amir_asr
777 posts
 

@fleschler 

@westcoastaudiophile No, I absolutely don’t believe that. After testing 100s of cables, I know for a fact on various systems, that the most expensive cables are often inferior (sounding). 

That is not "fact."  It is hyperbole with no proof of sound changing.  In just an afternoon, you could turn that into fact by only using your ears in a blind test to see if you can distinguish any of those two cables.  Repeat the test 10 times so that we know you are not guessing.  

Until then, what anxiety must be there to think there are so many cables with different sound instead of sitting back and enjoying music like we do....

kota1
2,706 posts
 

@amir_asr 

What should make you upset is folks paying orders of magnitude more, only to get a less performant audio device. 

This is basically just stuff you are making up. You have 0 data to prove that all cables sound the same just like you have 0 data to prove they all sound different.

Don't use money as an excuse like you have some magic spending formula for audio. I haven't seen your system, your room, your measurements, nada. I am sincerely interested in this, thanks.

jerryg123's avatar
jerryg123
3,429 posts
 

What’s really great is @amir_asr slams a line of affordable cables…

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