What is your goal? If it is general EQ and room matching, physical treatments are always preferred but, admittedly, they can be extremely large for bass modes.
Assuming you have only 2 active speakers (no subs), you would be best served with room treatments for everything above the bass and EQ only for the bass but this is difficult to implement in an all-analog system. The PARC will be a big help (http://www.stereophile.com/roomtreatments/883/index.html) but there are much more effective digital options these days.
Assuming you have only 2 active speakers (no subs), you would be best served with room treatments for everything above the bass and EQ only for the bass but this is difficult to implement in an all-analog system. The PARC will be a big help (http://www.stereophile.com/roomtreatments/883/index.html) but there are much more effective digital options these days.