Where such effects did happen was mostly in the signal being fed into the CRT, which ranged from the horrid (RF, composite) to the not-so-terrible (S-Video, component) to the sublime (SCART RGB ...

Finding a decent CRT TV can be challenging ... but I could be wrong. There's sadly no RGB, component, or SCART to be found here, but there are two S-Video inputs, and that's plenty for my needs.

These were among the very best CRT tubes of the day ... Here in 2022 a look at the monitor’s 40-pin connector reveals a standard RGB interface which the service manual confirms is within ...

The Raspberry Pi 5 already has composite video out, but now it can do interlaced RGB via DPI for sharper CRT output via SCART ...