Hey Roo what are G12K-100s like?
I run my 5150 through one of the old steel grill mesa halfbacks, its got 2 EVM-12Ls in the bottom closed section and 2 mesa black shadows 90w in the open part, was thinking about swapping out the black shadows for something. Not fully sold on them yet, but like the huge tight bottom end pumping out the EVMs
The G12K has a really nice tone, both distorted and clean. The bottom end is big but really, really tight. Fantastic grind under distortion. Sparkly cleans, quite three dimensional. I absolutely love those speakers!
Roo