15A vs. 20A power cord questions


I'm installing dedicated 20A lines with 10AWG cable and Furutech GTX-D 20A wall receptacles. I am currently using the standard IEC power cords that came with my Rogue Cronus Magnum and VPI Scout 1.1. 

I rather not upgrade the power cables at this time. I would like to see the effect the dedicated lines and outlets have first. Are there any issues with running 15A power cords into a 20A outlet and line? Would a 20A power cord possibly sound better or is it just a matter of the blade orientation?
asp307

Showing 1 response by noromance

This burn-in time is daft. Who can possibly hear qualitative improvements over a period of 6-8 months? What about power tube wear? Capacitor deterioration? Power line noise, personal physical changes, ionic pollution due to weather? Daft I tell you.
I use a 8/3 NM-B 40 amp run to a NEMA L5-20 receptacle.