I have a couple of these removed from scrap Soundcraft boards though they were
probably used in a wide range of mixers, very very soft feel, only have the two really lovely
I have had a new lot of these arrive and it seems there are some factory variations
I have 2 with a black top like in the first photo they are marked 303M-10K I thought the 303m was just a lot number but maybe not.
I have some new ones in they are wired differently marked 924M-10KA and have a silver top