My buddy Paul Wright and I were the first people in the UK to buy a Two-Rock amplifier. It was around 2001 and it arrived with a 'Signature Series' 2x12 cabinet and this Signature 1x12. It is modeled on an original Howard Dumble design and is a cool, compact cabinet! It is now fitted with a new Electro-Voice EVM12L and for most gigs it is usually used for delay return.
This cabinet sounds great with the Bludotone Bludodrive, but as it is one speaker of eight ohms, I can't use it with the Van Weelden Twinkleland as it has a set impedance of four ohms..
The company has ceased to manufacture this model and the new one is slightly bigger. I do think the 2x12 sounds better, but this is very compact and great on a tight stage.
I usually use it as the effects return for my time based effects rack and is pictured here fitted with a WT Pro AmpClamp which I have fitted to all my cabinets and combos; I really dislike mic stands :)
And here it is, in action.