What to upgrade?


Hello,
I am interested in getting some input for a serious upgrade to my system. Currently my system creates the clarity, soundstage and dynamics a like, however this is only at lower volume levels, once I start to turn the volume up it starts to lose all the qualities I mentioned. At this stage I am not sure what to tweak and or complete change out. Listing room is currently in my loft 15 x 25, the wall behind my sitting are opens up to the rest of the house. Listing to mostly prog Rock, guitar driven jazz. My budget is 10,000 dollars for new or used equipment. My current rig is noted below with some equipment I have been researching. Thank you for your suggestions.

Portal Panache - Integrated amp
Rega p1 TT
Bellari 129 phono amp
Marantz cd5400 CDP (transport)
Wyred 4 Sound DAC
Daber Audio Monitor 3 speakers

Currently researching:

Montana speakers
Focal speakers
Totem speakers
Chapman speakers

Rogers High Fidelity amp
Pass lab
Vincent audio
Accustic Arts
Rogue Audio
musicrover
Room:
There is a small echo if I raise my voice or clap.
I have moved the speakers around, Best location is about 6 ½ ft apart toed in.
Also moved them out from the wall as far as I could, about 2 ft. Interesting part is the further I moved the speaker in the corner out the bass became muddy/boomy.
having this much to upgrade, you can upgrade everything you have except DAC.
Czarivey,
Thanks for your response. I have the opportunity to upgrade my components, With the room restraints I am researching all the best possibilities to upgrade gear if needed and address room acoustics for optimum performance. I listen to about 80% cdp and computer streaming. The rest with the TT.
"Interesting part is the further I moved the speaker in the corner out the bass became muddy/boomy."

When you listen, is your focus on the speakers, or the sound in the room?

If the first, bass might be perceived as more muddy with speakers away from walls as imaging detaches from physical location of speakers somewhat, but may sound more like live music if your focus is more on how the room sounds with the speakers playing.

Also you could certainly be getting bass resonances in certain locations, but those probably would change somewhat as actual location changes, and not necessarily on relation to distance from wall.

If two much bass, try loosely obstructing the ports for comparision, using a very loosely rolled up low density fabric cloth, or maybe try foam port plugs as an option. loosely rolled up socks will even make a difference and might help.

Experimenting with ICs is another option that can make big differences in bass performance and a lot cheaper than switching main components. With my gear, I use MIT Terminator ICs for more bass when needed, but prefer DNM Reson ICs for good balance top to bottom with coherent midrange. Either can be had for not much, particularly if used.

Some very basic power conditioning like a simple monster power strip to source and maybe pre-amp (not power amp) is another tweak that can often help with cleaner bass.

Myself, I would not change any major gear until I had what I have dialed in first as best as possible. That helps to identify what might work best from there better if further changes are still needed.

Unfortunately, I have not heard your stuff, but on paper, the components seem of good quality and well matched in general for good performance. That's a very good place to be to start prior to experimenting with these kinds of easier and less expensive tweaks to get things really tuned in, which often makes all the difference in the world.
All good advice...I think Mapman will get you closer to better sonics, but I'll add that you need some sound absorbing material or panels (you can make your own).

for example...
here