LS500 is quite noisy on full brightness (100% 4000 lumens) but almost silent in eco mode (50% brightness). But at 50% I would not call it a tv replacement anymo

LS500 is quite noisy on full brightness (100% 4000 lumens) but almost silent in eco mode (50% brightness). But at 50% I would not call it a tv replacement anymore because the brightness is not great for daytime viewing. Not sure about the LS800.