I have used Transparent cables in my previous setup, wherein my amps where on the right wall instead of being on the side of the speaker. the run was about 12 feet and compared to AudioQuest and Kimber, I did Notice that transparent cables seem to be more "transparent" in terms of letting the amps feed everything to the speaker and not changing it tone. so, take this as a grain of salt.
in my new setup. I stayed with transparent cable as I was impressed when it was used on a longer run.