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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
gorquin
45 posts
 
I read an article on another site that linked to about a dozen tests done over the years on "High End" audio.

I can't remember the name of the company or the owner but the test was an ABX test to see if people could tell which speaker cables were better.

The owner of "xyz" co. who sold speaker cables for $3,000 participated in the test and could NOT tell the difference, in an ABX test, from his cables or $300 Monster Cables.
zd542
5,339 posts
 
Tests like that are not conclusive. There's just way too many variables in play. Also, I question the salesman's claim about not being able to hear a difference. There's people that hate high end audio so much, they make stuff up.
geoffkait's avatar
geoffkait
23,365 posts
 
Depends on a number of things. The cables under test, the system use for the test, whether there are mistakes in the system, how long cables are broken in, how long the system components are broken in, things in that vein.
sabai
2,027 posts
 
Gorquin,

This does not surprise me. I have speculated about this before on the forum.
gorquin
45 posts
 
I would love to read a technical analysis of speaker cable "burn in" .

Is someone going to suggest that the cable needs time for the electrons to "Line Up" or "configure" in a specific order so that the cables sound good?

There are no moving parts in a cable. Speakers, sure I understand that conceptÂ….and they wear out.

I'm open to learn something proven by science. Who's got the White Paper on this?
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