THank you all for your posts. Clearly there is a bit of disagreement about Silverlines sounding "Boxy." I did hear that from a dealer. I have since moved the speakers further apart so that front baffles are 37" from back wall. THis improved bass definition and they disappear when in the sweet spot. Actually Jay Kaufman "Audio Revelation" says to replace the Sonatinas at today's prices, one would be more in the $10K range.