Im being really tempted by going all Tube, and being able to reach 2 ohms. Im also being tempted to buy my old Pre Fender henry the 8x8 back from my father, and pair it with 2 8 ohm 18 inch subs on the bottom. Putting the load down to 2 ohms 4 ohms combined from the 18s, and 4 from the 8x8. Any...