I replaced mine with wireworld mini aurora fig8 cable (some cutting, soldering to reuse the board connector) and noticed a bit more bass. I use the A-9010 to drive Klipsch RP-600M. But the source has a lot more impact on sound then the power cable. When i got the onkyo ns-6170 (steaming deezer - jazz, rock, etc.) the amp and the speakers suddenly found a lot more bass then i exacted and a fuller sound all together.
If you don’t mind voiding the warranty, a better power cord (not just gauge, but twisted and shielded) can only improve things in my opinion.
If you don’t mind voiding the warranty, a better power cord (not just gauge, but twisted and shielded) can only improve things in my opinion.