How can graphed measurements be confirmation bias? Be serious, please
I meant my bias, not his. To clarify:
1. I upgraded my speakers, amplifier, and D/A converter all at once. Noticed a big improvement. It was a huge jump in the grade of everything, from very pedestrian to very good.
2. After all those other upgrades, I substituted new speaker wire and it was instantly noticeable how different it was.
I wondered if it was just my own bias (that I assumed the more expensive wires were better) but fortunately I wasn't on my own with the test so I asked my engineer, Mike Aarvold, to switch back and forth.
One of the noticeable differences is that the more expensive wire (compared with the very ordinary speaker cables I'd been using) were louder -- quite a bit louder, maybe 3-6dB. That alone can introduce a trick of the ear and make you favour the louder signal.
The other issue I have with these graphs is that the guy is using a $60 microphone -- I know price does not equal perfection and I am no engineer, but it does make me wonder whether his signal path (didn't research the whole thing) or measuring devices are really able to make a distinction that one's ears can hear.
I heard it, I didn't believe I would hear anything, but it was undeniable.