Hello there
Yes Peter is correct, it should be about 1.2. However if the vinyl is worn or indeed the stylus is a little passed it's best, you could go a little heavier.
David Coyne
BV8-40, BC6-26, BC2, Beolab 9's, Beogram 7000, Beogram 9500, Beoport, Beotalk 1200, Beocom 6000, Beolit 1000, 800, 700, 600, 400