Is two Subs better than One?

I was just thinking about the same thing: in my room 28'x24', how would a set of 2 two Rel Stadium compare to a sigle Rel Stentor? Maybe some of you already have experienced this set up, I hope.

In my case, one better REL or two lesser REL, would only augment my four full range speakers for the last octave for music, and LFE for HT. Thanks for your sharing your thoughts.

I would think that two subs are better then one, but my question is: are two medium sized subs like rel stadium
better then one larger stentor (for the last octave)?sorry if am am repeating my self.

my undestanding is that two subs in the opposite corner as as good as two opposite center. Not a word referring to the issue: one large sub vs two smaller once.

thanks Raul for your lenghtly and detailed explanation. It's likely that it is the case for most but not all situations. Each of my Vienna Acoustics Mahler have two 10 inch woofers that only take care frequencies from 70hz down. It would be silly for me to cut them off. it would defeat the purpose of the having those speakers. I believe that if the mains are made with quality it's an overkill to cut them out, especially in my case. That's only my opinion based on my experience.
As now, I have a stadium iii and soon as I get a good deal and budget I will buy a stentor, and then I'll try to integrate the two... We'll see...thanks

>>Absolutely yes. Running two SW-12s with a set of Aerial 20T's and it helps even out the base response of the overall room. One sub is in a corner boundary so it's turned down and has a different crossover versus the sub that sits in the middle of the space and doesn't have the room boundary support<<

That's interesting.
I am in a similar situation. One sub in the corner and another one in the center (at leas until I decide whether to keep one or both. The problem is that one is a Stentor and another one is a Stadium. Any suggestion on which one should be placed in the corner? -at least as a starting point. Moving big subs around in my living room is very challenging.

Yes I know and agree with you Downunder, I could easily and happily live without a sub. They don't need it, The mahlers are that good! My living room is however cluttered and large, the idea is the add a stentor to augment just and only the last octave, as rel claims, to pressurize the room a little bit more, and to be able to use the sub for LFE tracks. Thanks for your inputs. If the sub turns out unnecessary I will sell it, that's my plan. Thanks for your inputs.