A difference for sure but that does not translate directly to an improvement. Change can generate an heightened sense of awareness whereby the change is perceived as an improvement. Listening for a period of weeks or months and then switching back to the original may lead to a different conclusion.
I have tried several aftermarket cords that resulted in a less desirable performance than the standard cord. I have one brand cord that works best with only one of my amps. I have another that works great on my other two amps. Then I have another brand that I find better than stock in every application but not the best in every application.
My reference system uses all stock cords because it sounds fine that way. This system is not my main system but I do use it as a reference to assess changes I make to my main system.
So, if you're happy with sound you have keep on enjoying. However, if you have that nagging feeling that it could be just a little bit better, welcome to another realm of exploration.
I have tried several aftermarket cords that resulted in a less desirable performance than the standard cord. I have one brand cord that works best with only one of my amps. I have another that works great on my other two amps. Then I have another brand that I find better than stock in every application but not the best in every application.
My reference system uses all stock cords because it sounds fine that way. This system is not my main system but I do use it as a reference to assess changes I make to my main system.
So, if you're happy with sound you have keep on enjoying. However, if you have that nagging feeling that it could be just a little bit better, welcome to another realm of exploration.