It’s unlikely that he’s going to find a multisync PC monitor that can sync down to 15.75 kHz. If the jungle IC is outputting RGB… I’ve swapped tubes and although it works, it’s a PITA.

A1440p monitor with every third line dark would somewhat align with a 480p CRT, but it wouldn’t work for PAL. 4K at 2160p with every fourth line dark would almost work with PAL but not quite ...

Most arcade suppliers sell them, sized for all common monitors, for less than $25. Considering how much better they make a project look, we definitely think this is a worthwhile expense. Our 19 ...