I'm also surprised you were not able to hear differences.
In addition to the cabling points already brought up, you may want to add power supply / power conditioning to the mix as well.
Have you had an audio buddy or two listen to your two setups? Their findings may be informative to you.
In addition to the cabling points already brought up, you may want to add power supply / power conditioning to the mix as well.
Have you had an audio buddy or two listen to your two setups? Their findings may be informative to you.