Thanks back! This place is the shizz, is it not?
Not to gloat, but I told you so. The only thing that has me stymied is that you actually got a clean sound out of that head into anything. Tonehammers are the most overrated amps ever. IMO.
Not to gloat, but WE told you so!

It's killer. And made in the USA!
Yeah. TB does GAS really, really bad. But about more class D: what I do is that, because they are so lightweight, I usually take two of them to gigs with me. The only downside to this is if I get bored, I might change amps in the middle of a gig.
But a suggestion might be to look for a "backup" that is a different size than the D800; I have a MarkBass F500 that's half-height, and it fits nicely into a bass bag pocket.
You might. I do the same thing, and occasionally I have been rewarded with seeing that my amp has moved on the cab top.
And since you have your wallet open, you should also check out the Subway cabs. They're even better than the heads, IMO.