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Can anybody please give me some advice. I'm about to choose between a SB2000 pro (€999) and a SB3000 (€1399). I only have 2 stores but too far away to listen.
The livingroom section (where couch and tv is) is 4.5m x 5.5m with an open layout (L shape) including the kitchen. So full base floor is 5.5mx10m excluding the hallway.
Both stores advice the SB2000 pro over the SB3000. Would you concur or is the 3000 worth the extra €400?
That's a fairly large area! Converting that to cubic feet, and assuming at least an 8' ceiling height, your total room size would be over 4,000^3. The difference of 400 Euro's is not insignificant, but given your larger room size, I would recommend spending the extra money and getting the SB3000. When we buy directly from SVS, in the US, we can afford to make mistakes in which subwoofer we start with, because we have a free-trial period. But, that is not likely to be offered by your dealer. Given the fact that nearly everyone initially underestimates his bass requirements, and then finds himself upgrading, I would start with the SB3000 if I were you.
The SB3000 will have superior mid-bass output, compared to the SB2000 Pro, and it will also go a little deeper, allowing it to produce more low-bass volume as well. In a larger room, I think that you might especially appreciate having the extra <25Hz and <20Hz output of the SB3000. It's never easy (well, not comfortable anyway ) to advise someone else to spend more money. And, you can almost always find potentially conflicting advice on this sort of thing. But, I would err on the side of caution, if I were you, and get a little more subwoofer than you think you will actually need. Because you will probably find that you really do need it, or want it, after all.
I hope this helps!
Edit: The previous post compared the graphed frequency response of the older SB2000 and the SB3000 correctly, but inadvertently used the wrong max output numbers for the SB2000. The numbers he used were actually for the PB2000, which is a ported model. The SB2000 Pro hasn't been independently tested yet. But, the SB3000 should have a considerable mid-bass advantage, and some advantage in the lower frequencies, as well. The correct numbers for the SB2000 can be found here:
SVS PB-2000 and SB-2000 Subwoofers Review | Audioholics