There is a difference between power supplies.I had X1 with old p/s and new matching chassis ps.The soundstage on the old power supply is wider and taller and it's a bit warmer.
After i sold the original X1 i was never able to recapture the magic with a new power supply.A year later i sold it.
After i sold the original X1 i was never able to recapture the magic with a new power supply.A year later i sold it.