zenon: see herehttps://forum.renoise.com/t/loading-very-old-soundtracker-mod-modules/44355
i used milky tracker to pre-convert and it seems that even ancient soundtracker 1.0 modules are played almost accurate with this way:
Attachment 6207 not found.
Besides this, the paula chip had much more mechanisms inside than just a low pass filter to prevent aliasing.