Rua on Nostr: Someone else told me: "Also, a note about the S-video on C64, the isolation between ...

Someone else told me:

"Also, a note about the S-video on C64, the isolation between the two components are very terrible so a lot of the chroma signal from the composite comes through on the luma."

So it may just be how the C64 itself is made, rather than the cable.