marshall 100100dfx are much better than its 10 or 30 watter MG..its cant be compared equally

based on my experienced running a studio
MG100 is the best..we do not know who the hell play at your studio..how good he play..so MG100 can take the abuse!hehe..and repair cost wouldnt be so much rather than other tube amp

we use Fender deluxe 112 also as our another guitar amp..this sounds much better if the guitarist are good

both amp has survive for a plenty hour of jamming session and a dozen of event and running till now

avoid tube amp in jamming studio unless u hav a lot of tube spares
dont put those amp on the floor..elevate it a few 2 feet will be enuff

peavey bandit also suitable but again,,these are tube amp
just my 2 cents~