DEVICE for ZX Spectrum +3?

[corbym]

Hey - newbie here.. so forgive any of my ignorance please!

What device should I use to specify the ZX Spectrum +3?

I don't see it in the device list, but I expect there's some magic I could do to specify a custom device.. I am not familiar enough with the concepts to understand how to define the correct one, however.

Could someone please give me some pointers? Or help define one for me?

Thanks in advance.