There is a lot of equipment available and many vendors and also these guys are busy talking online , so i decided to buy many parts at low cost and i experiment some add-on. i bought a tube preamplifier and i will
plug it in a sub signal to an amplified sub-box like the Rockville 10 inchs shallow mount subwoofer that have stereo inputs and amplification with some 100$ to 300$ new monitor all installed against the wall.
MY actual edifier system is modest and i want to upgrade