The only pre-THX PAL LD releases I know of were from 1982 with analogue sound.
For VHS, all the Fullscreen pre-THX PAL releases (82, 87, 88 and 89) did not have the tractor beam line so all are not the 85 mix but their sound is average at best. The first Widescreen VHS from 91 had the 85 mix.........