I used to have that same receiver along with a Technics turntable and some cheap off brand speakers:)It sounded fine at reasonable volumes in larger rooms than yours.Like others have mentioned,pair it with efficient speakers.
Help, is 15 watts p/c enough for a small room
I need a vintage amp / receiver for my den which is about 12' x 12' w/ 8' ceiling. Does anyone have an opinion about w/p/c ? Looking at a nice Pioneer sx 450 on ebay for $96 which incl. shipping. 15 wpc