Martin Logan Summit X vs Impression 11A


Has anyone compared the new Masterpiece line against the older Renaissance MLs?  Would it be worth the trouble to downsize the Summit X to the Impression 11A to get the benefit of the room correction in the Impression or one of the other speakers in the new line?
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I upgraded from legacy Summits to the Expression ESL 13A's.  Both have dual 10" woofers, but the Expressions have a slightly larger panel size.  I never considered the Impression 11A's (same panel size as Summits but dual 8" woofers), as I wanted a clear-cut upgrade.  The bass is much better integrated with the panel in the new series, and ARC is icing on the cake.  Depending upon your room size/acoustics, the Impressions *could* still be a step up in overall performance vs. Summits/X, but hard to tell without a side to side comparison.  With the price difference, you could also add a BalancedForce 210 sub (or two) to round out the bottom end if going with the 11A's.
Thanks for the reply, sleepy.  I'm happy with the Summit Xs.  I just wondered if the room correction might make the not insignificant trouble of buying, selling and shipping a couple sets of MLs worthwhile.

I would want to hear a big step up in sound quality if I went through all that trouble.  So at this point I'm sticking with the Summit Xs.

Anyone else have an opinion?
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