An 8" AlNiCo Tone Tubby made a tone monster out of my little Vox DA5.
I do not have a MiniZ. My memory of one is fuzzy but I do not think a 10" would fit. I cannot recall any conversation here about making such a swap; replacement 8" yes but not 10". It might require a larger box.
There's never enough time to do all the nothing you want … Calvin and Hobbes