If it's purely an engineering challenge why bother designing yet another DAC?

The nonsensical expression "current output" implies small signal amplitudes while the even more nonsensical expression "I-V conversion" implies the amplification of such signal amplitudes.

Current output does not imply small signal amplitude, it implies that the signal is output as current variation rather than voltage. Just because there is no, or minimal, voltage response does not in any way mean there is no significant signal, just little or none in the voltage domain.

Also I-V conversion means exactly what the words say: conversion of a signal from a current amplitude variation to a voltage amplitude variation. Amplification in this context is a meaningless term. In the data acquisition and instrumentation industry the 4-20 mA sensor output standard has been around for several decades, along with the accompanying practices of current to voltage conversion. There is nothing nonsensical about it, and it is well established science and engineering practice.
 
IMO it is even more complicated wrt multidimensional evaluations.

The basic means of forming a perception is the same regardless of the number of dimensions we might ascribe to its cause.

Some perceptual mistakes are obviously hard wired for the majority like the perception of a virtual sound source in case that two frontal seperated speakers are both reproducing the same stimulus. Would you denote it as delusion or/and hallucination?

This is the vagueness in definitions I alluded to in an earlier post. Given that at low frequencies, stereo produces the exact same pressures at the ears (ignoring the listening environment) for any sound source within the angle subtended by the two (or more) loudspeakers, there exists a real physical source of the illusion: It is not therefore a delusion. At higher frequencies, the illusion breaks down (and even disappears altogether according to comb-filtering action), so I am not sure the argument is valid. But I would suggest that if I actually believed Susanna Hoffs or Andrea Corr were actually stood just a few feet in front of me, then I would be deluded, albeit blissfully so.
 

To my understanding, yes. You can see if others here want to agree with you, I don't think misperceiving a difference between two audio devices necessarily rises to the level required for classification as delusion. I don't think the common meaning of the words used in the definition of the word delusion is intended to mean what you are interpreting it to mean.

That said, I do understand what you are saying. And, I am willing to stand by to see if others here want to say they feel the same way about it as you.
 
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If your references have been studied enough in live performances, including different perspectives of ones own recordings (with familiar equipment) of the same subject then include proffessional takes that are known to be accurate.....how many sources/aspects must be studied before one has a accurate representation of reality?
 
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how many sources/aspects must be studied before one has a accurate representation of reality?

There is an infinite space for one's perceptions whether they are delusional or representative of reality. Each of our perceptions of reality is different. The notion of an "accurate representation" is then misguided because audio reproduction fidelity is inherently subjective. Essentially most of the population have no idea what they are missing because they have never perceived it - much like someone with red-green colour blindness perceives a rainbow differently to one without such a limitation.
 
Except we’re not discussing people with hearing disorders are we?

Your acting as though it’s impossible for anyone to judge sound......if I go through painstaking steps to make sure what I’m reproducing is reproduced accurately your saying it’s still delusional?

Then tell me how some recording engineers are just plain better at it than others, with no obvious objective reasoning?
 
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It’s the wrong measurements! ...maybe where differences could even possibly exist is a good start.

You will find my previous posts allude to precisely why and how better measures can (and cannot) identify differences that conventional measures do not. But that does not mean that the absence of a physical cause means that there is some other "ethereal factor" obviates our ability to measure it or, more importantly to this discussion, our capacity for delusion.