In July, I purchased a used P10, and moved my gear to the side, and resulted in the soundstage opened up top to bottom - when I moved from a full rack to the “1/2 rack” ikea base, it helped some, so I shouldn’t be surprised that getting it out of the way helps even more.
At the same time, I added some DIY sound treatment, using semi-rigid mineral wool that are 47”x15”x3.5”
https://www.thermafiber.com/products/commercial/ultrabatt-insulation/ 3
I’m using it as a semi-temporary solution for bass traps in all 4 corners and 1st-reflection points.
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