Does the A520 RF Modulator (used to be referred to as Y-connector) work with PAL 500+

[Zac67]

One piece of advice in video: stay clear of anything "composite", "CVBS", "RCA" (single plug) - that signal is so bandwidth limited that the resulting video quality is horrible. It might be sufficient for a homemade video shot from the 80s, but it definitely does not do justice to Amiga video.
RGB (NOT RGBI aka CGA) is best, S-video (converted from RGB through e.g. a genlock) is usable, composite is crap. VGA also uses RGB (31 kHz+ though), so it's fine if you haven't messed up the signal on the way.

[Zac67]

I bought a Mitsubishi EUM-1491 for my A3000 and it was just great; I wanted something to be able to display everything the A3k could output. One of those just went for 30€ on ebay.de today. Microvitecs are reported to work well but I haven't tried one of those.

If you're just planning to use standard/non-ECS modes - esp. for gaming and such - you'll be fine with a standard 1081, 1084 or derivative (wouldn't pay more than $20 for one though). With a bit of adjustment they're fine for either PAL or NTSC.

If you're up to a more productive purpose you should seriously consider alex' advice to a flickerfixer and a (larger) VGA monitor.

[Zac67]

UK? Why, there plenty of monitors on ebay...