dedicated listening room

Help me decide i plan to have a dedicated music room for just listening va a pair of speakers an headphones and im planning to put together a new Over-The-Ear/Dac/Eq/Dac/Lp/2 CH stack an pair with my existing crown audio xls-1502 & my 2nd schiit magnius an and i want to pair with either the...

I am about to start building a dedicated listening room from scratch, so I can somewhat choose which measures to build. The architects are drawing the CAD plans these weeks, so I must decide soon. The area I want is ideally close to 25 m2, and the largest wall can be only 5.0 m. That would...