The best way to improve any electronic device is to improve the electrons upon which it feeds. Just as a Porsche 911 turbo will likely disappoint someone fueling it with kerosene, so most high end source components will disappoint anyone fueling them with the 120v hash they call power in North America. Put in a dedicated line for your system (20 amps minimum) before you give up on it. Now here's the "regardless of cost" upgrade. Buy the Burmester 948 power conditioner. It's the only one that truly improves the sound of equipment uniformly across the board. But it costs $6500. Every other "conditioner" is really a filter.
While room treatment is essential, if the singer is a dog, how better to hear her rabid salivations than the slap echo from your credit card?
While room treatment is essential, if the singer is a dog, how better to hear her rabid salivations than the slap echo from your credit card?