Thanks for the answer.
Room is 3,75m x 3,9 m
Floor is laminated wood
Furniture: 2,8m sofa, round 90cm coffe table, and TV furniture suspended on air of the back wall
A 1,15m x 1,15 cm painting on the same wall as the window + curtains
Listening position 3m equilateral triangle
Carpet 2,9 x 2 m...