To All Cable Deniers, 1 Very Simple Question.


There are people coming into cable threads and saying all cables sound identical. So I have 1 question for y'all.

Today, it is about power cords.

The end-plug, the metal part, the one you plug into the wall outlet. Without knowing the % of copper in the plug of your basic cable, can you absolutely certain say it sounds identical to a plug with 98% copper?

How about 60% copper plug vs 98% copper? Identical?

40% copper, Identical?

20% copper, Identical?

0% copper, Identical?

To wrap up, the question is very simple. If the copper % is different, would the 2 plugs still sound the same?

A bonus question, if a plug is 60% gold, will it sound identical vs a 98% copper?

samureyex

Classic research on the effect of cables:

M. N. Kunchur, “Cable Pathways Between Audio Components Can Affect Perceived Sound Quality,” Journal of the Audio Engineering Society, Vol. 69, No. 6, pp. 398–409, June 2021, DOI: 10.17743/jaes.2021.0012

 

  • This peer-reviewed AES journal paper specifically investigated whether the interconnect pathway (i.e., how cables are connected between audio components) can be audibly distinguished in controlled listening tests.

  • The conclusion was that two audio system configurations differing only by the interconnect cable pathway were audibly discernable in blind listening tests — suggesting that connections and topology can matter more for perceived sound differences than simply cable materials or exotic designs.

@mambacfa - Do you have a link to the paper? I can only find it for purchase. I did find another from later in the same year by the same author about time-domain effects of rca ICs, but no listening tests in that one.

@samureyex "The power cord is indeed the first 6 feet. People that don’t understand why this is, maybe grab the closest person next to you to ask for an explanation."

Can I grab You to ask explanation on why swapping first and last resistors in the AC power network should have any effect? 

https://www.headphonesty.com/2026/01/audiophiles-fail-copper-banana-mud-blind-test/