As some of you know I am looking to get a real rig for gigging and practicing and I'm looking for a fairly powerful tube head and 2x15 cabs.. I'm planning on buying two 2x15 cabs to have 4 15" speakers .. A nice big, loud, earth rumbling sound. But on the other hand, I do like the sound of my SS 200W combo and would like to have the nice clean sound for when my band and I play softer, slower songs. So I figured there should be a place to attach an extension cab (IE: one of the 2x15's I will be buying), but when I look on the back all I see is a Line Out connection, 3 pins (not sure the actual connection type). A jack for a tuner, and Return and Send Effects jacks. Fender did not make this amp capable of having an extension cab or can I use one of the effects or something? I really don't want to have to buy 2 new amps and cabs... Not like a can afford it anyways.... Am I cooked goose or is there someway I can add another cab, even if it's just 1 15"?