A-B testing of cables


I recently attended The Show in Newport Beach California, and I asked some experts how to upgrade my cables gradually. I was told to start at the source. I should upgrade the source interconnect first then gradually work my way through the system, and I should hear the difference at each stage providing I am using audiophile quality cables; so I bought some cables at over $600 a pair to try out. My current cables cost $250 a pair.
My system is composed of:
McIntosh C2500 preamp
McIntosh 601 mono blocks
McIntosh mcd 205 CD player
VPI Classic 3 turntable
Nola Baby Grand speakers

I bought two y adapters and connected one pair of new cable and old cable between the CD player and preamp to do an A-B test. I also performed the same test with the turntable but I could not tell the difference between the cables whatsoever. I was very surprised and disappointed at the same time. I could not believe it so I called in others to have a listen whithout telling them what I was doing and they too could not tell the difference.

Has anyone else tried this test? I would like to hear your results.
Am I doing something wrong?

What is your experience in doing A-B testing of interconnects?
almandog
Hi almandog, my answer to your question to all, is I have had years of success of a/be testing of cable's, I also recommend ditching the adapter!,I remember when Michael Fremer did a test on the TARA zero gold Interconnects and omega gold speaker cable's, lol, my findings was different, opposite of his claims's, he accused the speaker cable's of the deep sound,when in fact, it was the Interconnects!, I simply used other Tara cables to discover the trio truth, happy listening.
Hi cto517, I enjoyed your post, the video was a proof, lol, I went along with the test,for years I believed women could hear high frequencies better than men, your video shared some new light into what I believe now, damn, I'm 48!, according to the test, my hearing is normal,very good!
After owning hundreds of cables over the last 30 years I can only recommend MIT and Tranparent cabling. Why? Simple, the results sound like actual music is being created in front of me...other cables may have certain strengths to grab your attention in one or another area, but when the lights go out and the music starts, MIT and Transparent cables put you closer to the music and it's emotional content.