Reverberation role in a listening room

[Alrainbow]

How does room sounding effect type of speakers
Line source non direct rear
Line source firing front and back
Panels
open back cones
most rooms I think are made or thought of for box speakers .
I wonder how the above fits into this ?

 

[Robh3606]

There should be a balance of reflective and absorptive surfaces. If it sounds dead try adding some reflective panels and see what sounds best to you.

Rob