well i plan to get a peavey XXL head or a peavey supreme xl head.

i already have a peavey 112 combo, and blew the speaker, due to my settings and tone. i needed to buy an ampeg bass amp.

would this apply to a 4x12 cab?
Epiphone LP special II
-Duncan Designed pu's
Schecter c-1 Elite
-Neck:PAF Pro
-Bridge: Steve's Special
Boss MT-2 Metal Zone
Ibanez Weeping Demon wah
Peavey studio pro 112 65 watt
Ampeg 50 watt