#2
Only if you keep it at very low volumes and make sure the impedances match. I would avoid the MG cab as the construction is shoddy and the speakers are absolute crap. And then there's the fact that it's much smaller than even the regular Marshall cabs.
E-peen:
Rhodes Gemini
Fryette Ultra Lead
Peavey 6505
THD Flexi 50

Gibson R0 Prototype
EBMM JP13 Rosewood
Fender CS Mary Kaye

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(512) Audio Engineering - Custom Pedal Builds, Mods and Repairs