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25 year old polk 2.3's will I hear an improvement?

I am considering upgrading my 25 year old Polk 2.3 SDA speakers to something such as Wilson Sophia, Krell Resolution 2 or Usher Dancers. I have already upgraded the tweeters in the Polks and was very pleased with the difference. Over the years I have upgraded amp to Aragon 8008BB and source to NorthStar trans and DAC and also noticed improvement.
I live in a rural area and am willing to travel 8 hours round trip to hear new speakers but very little chance I can hear them at home before purchase.
Please, oh wise one's anyone make a similar upgrade and were happy or not with thier purchase? If happy, what type of improvement might I expect? Thanks
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Showing 1 response by shadorne

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shadorne
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All speakers radiate bass in all directions..so you will get some reflections and cancellations from the rear wall....the only way to eliminate this is with acoustic treatments,with soffit mounting or placement very far from the wall. (as someone mentioned, ports can often make it worse and I agree, as tuned ports have a strong resonance/nonlinear response)....see this link for details

http://www.genelec.com/support/flushmount.php

I am surprised Van jr did not mention this...as it is well known.
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