Seeking advice on how to improve my system


After many years of just enjoying music, I have gotten the bug to improve the system after I upgraded my CDP to the Sony XA 5400ES. The rest of the system is a Conrad Johnson Premier 14 preamp, Mark Levinson ML 331 100 W/ch amp., Thiel 3.6 speakers, Kimber Kable Siver Streak from CDP to preamp, Kimber PBJ from preamp to amp (10 foot run), and Kimber 8TC speaker cables. Room is 14 ft by 19 ft with 9.5 ft ceilings, hardwood floor with a 12 by 9 wool area rug. A fabric upholstered sofa on one wall helps absorb the side wall reflections. Speakers are on the short wall, 3 ft from the side and 2.5 feet from the back wall.

What are the weak points in the system that I should attend to? If I should change an item or add an item what should it be? I am not ready for a complete system replacement right now. Looking for advice from those with more experience in systems to get the best possible sound.
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Power regenerators *MAY* dramatically improve your sources and pre, depending on how bad your AC quality is. None will be able to handle the Levinson amp. You could definitely consider an AC filter for it though (try before you buy!).

Dedicated AC lines are great, but you have to be willing to rip up your walls.

The Thiels are excellent speakers, but I bet you could improve them with a few crossover modifications. Not changing topologies, just part for part component swaps. Made a very big difference in my speakers. Of course, this assumes you (or a technician) can access the crossovers.

Acoustical treatment can yield very satisfying price/performance benefits, possibly the best. Many commercial options out there and they are very easy to DIY.