Second track from original sc-140 compilation does not sound the same in modern SuperCollider


does anybody knows why the second track on the original sc-140 compilation, by LFSaw, does not sound the same if played in a recent SuperCollider? I’ve taken the code from here:

and the result in SC is not the same as the audio recording on that page. Maybe it exploited some kind of aliasing effect that has been removed in the meantime?