rappaport

"...Our knowledge of engineering, confirmed by measurements and science of psychoacoustics says there is no audible difference...."...

1. There is two positions for the OP amp. Did you try both? 2. The blue trace is above the red trace can you please reverse the order so...

Some nice lil' haters crowd you've got round here! Very sympathetic - I'll leave you to it...

The measurements do indeed look identical. And the things you say about doing a double blind listening with the ability to immidiately...