feelings? emotional or physical...REL can give u both.( or any other highend brand)..Depending on room size,room tunes,
room absorption ,diffusion etc...IN GENERAL the smaller subs will complement smaller speakers and smaller rooms and give them added depth missing.depth as in lower frequencies,making seamless music if all else is okay.if it's not in tune ,in the wrong spot ,it's boomy and it will sound like mud... Now this applies to music as well as HT, when someone says I 'm not sure for HT...then he is used to bad boomy bass, movies with great explosions that shake the room ...you see with a rel your going to feel and hear the explosions...with a bad set-up your going to hear and feel annoying bass when bass isn't called for, someone walking,talking,doors closing (no slam) wind blowing ,background music etc...
AS for stentor3 types ,in size and quality, different animal... i have one ,it's like comparing a dog to a dog,or a dog to a lion...different animal