That’s not true a great stand mount have better imaging and excellent soundstaging and depth, just add a quality powered sub .
look at the MBL 126a world class monitor that's also omni directional and excellent off axis . I don’t know how good your electronics are, or front end this too
has a lot to do with the final outcome , your dac can be just as important
as your speakers since all music starts at your front end turntable included.