BTW:
KEF LS50 (rear bass-reflex)... at least
900 mm 500 mm to rear wall. Something that many do not. Probably because they have not bothered to investigate it, as is so common: people detest any intellectual effort
(to read the manual). And a amplifier with a lot of watts at 4 Ohms. And much better with stands. Then they comment that it does not sound good to them, that they do not understand that others speak so well of them ... For many, as with so many other objects, they are merely compulsive purchases, without properly informing themselves before making them, reflecting, taking time.