How many systems do you have?

Four. Home, vacation, two offices. Three vintage. Two with vinyl. One Class D. Zero Tubes.

I only plan to have one., but decided to put together my old gear for second system. Then thru upgrading my main system, extra gear going to my second system .extra gear from second system I put together the 3rd systems, Looking forward to the fourth systems .i have maybe dozen sets of speakers.

Four.  Office, Music room, family room two channel and TV room three channel.

Lol the main solid state big system. Then the dinning room big tube system,. The bathroom system lol small tube amp run ING a blue ray and tv with I. Ceiling speakers. Watch YouTube movies etc while I'm soaker tub. A home theater system. A tube bedroom system. And a out door patio system. Some cheap junk in garages. 

Four. Music room, entry room, television, computer.