Vandersteen 1C to 3A Signature


I currently own the 1Cs, paired with a Naim Nait 5i. I like the sound, have had these speakers for the better part of 15 years and I still love their presentation, the openness and sense of space they provide. They are fabulous to my ears.

Which isn’t to say they are perfect, they don’t like being played too loud (seem fragile, break up at higher volumes), and the bass isn’t as deep or (more importantly) as defined as it could be. Also I sometimes hear some lack of refinement in the tweeter (although at other times it sounds positively glorious, especially with horns and flutes).  So after refinishing the basement and adding a big TV with prewired surround sound I found a used Vandersteen center speaker, so I’m thinking of moving the 1C to the basement and getting a different (hopefully better) speaker for upstairs. I did a bit of research and it appears Spendor is supposed to be a good match for Naim, so I was able to borrow a pair of S8E to try out. You can tell the speaker can handle much more power and can play cleanly at those high levels, and the sound is nicely balanced throughout the frequency range, but they sound like boxes. The Vandy’s don’t. I think I’ve written off Spendor, Proac, Totem and the like, as the design looks similar.

I should probably stick with Vandersteen or similar sounding speakers. I have an opportunity to buy some 3A Signatures, but am afraid I will lose the lithe nature of the 1’s which I like, so I’m looking for opinions on this, and maybe for suggestions of other models that would sort of fit into the sound I’ve tried to describe. Thanks
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To add a bit of detail, there is about 13 feet between the front wall and my listening position (couch), with an open staircase behind the couch leading downstairs (so about another 8ft to the back wall).  To the left of the speaker there is about 4 feet to a bay window, and to to right the room is open to a total width of about 25 ft. Ceilings are 8 ft. I don’t generally listen at very loud volumes, because my speakers don’t like that but also out of preference.  All musical genres.
I don’t think you’ll lose much if anything going to 3A Sigs and will likely gain a ton with better bass, dynamics, and probably greater refinement up top.  I’d absolutely say go for it!  Another brand you might like would be Nola.  Regardless, after 15 years with the same speaker I think you’re due, and if you haven’t already definitely get out and listen to hear what else is available these days just for reference if nothing else.  Best of luck. 
I had a Naim Nait 5i, and imo with the 1C, which I also owned but never paired, I suggest you have a LOT of room to go up in terms of sound quality with that pairing. I didn't keep the Nait 5i for too long; it simply wasn't that good. Thin, lacking body and not terribly captivating, classic Brit, flat earth sound and on the whole sterile. The 1C is ok, but certainly not all that. It's a starter speaker, very nice, but compromised, as would be expected for a budget model. At the time I thought they were super-great, but much more experience shifts that perception. 

Do have any idea of how much of the performance spectrum lies beyond that combo? I suggest you get moving - either up the Vandersteen line if that's your thing, or onto something else -  before you spend another 15 years not hearing that much of what is possible in HiFi.  :) 

My guess is you might be convinced that there is not much better performance than Vandersteen for the money. So, you may as well do the 3. "Lithe"? You mean, constrained, less adept, less generous, less dynamically easeful, less tonally ripe, etc. You're afraid of what you'll lose, but you seem to not realize that there is far more to be gained moving up from your level. You are relatively low on the performance level of audio systems. Your issue is not what you will lose, it's not realizing all there is to gain.  :(

the 3A Sig is a much better speaker in every way...though unsure how it matches with your amp...if you love Vandersteen (many do and many do not)..