An SET "Single Ended Triode" Amp or Integrated Amp is the least expensive way to get the "high end experience".
You can here on AudiogoN, buy used units for $1K on up that will give you "goose bumps" "Unheard before micro-detail" and "Pull on your Heart Strings". Then you won't be concerned with "Zones" you'll be "In the Zone".
Jim C