I can only speak from my Hugo 2 experience.
For me the Hugo 2 is fine for moderate volumes, with 89/90dB speakers, in a room with floorplan 5m * 10m.
I expect that the TT2 will give even better headroom.
For better headroom, I do wonder if we have to wait for the DX amps. However if such output power could be incorporated in the DAVE 2, then I expect there would be many interested owners.
I believe that one piece of music that would be an interesting test of such capability, is Orff Carmina Burana. The distinct levels between the initial quiet vocal section,and the later loud choir section, is a revealing test.
I agree with your choice of work in theory.
But what recording of it do you have in mind?
I am not aware of any really good,well recorded recent recordings of Carmina Burana?
If you are I would appreciate if you could let me know your recommended recording of it.
I only have the classic old DGG 60s Jochum on LP and though musically still great it is as I remember it one of many dynamically quite compressed and a bit congested at climaxes, typical DGG recordings from those days.
But I have some quite recent recordings of Verdi Operas like for example Pappano's Verdi Aida recording on Warner as 24/96 download and it is also a very richly scored work with lots of both everything at full tilt very very loud passages for both full orchestra soloists and choir, and some other parts especially the introduction verging on almost inaudible at the other dynamic extreme.
I am not sure but I suspect the dynamic range in that recording at times exceeds 70 dB compared to the maximum 55dB on a typical analogue recorded LP.
It needs both quite a big room and a powerful amp and large speakers to shine in its full glory.
It will be one of the first recordings I will play via HMS Qutest back home.
Qutest on its own was not quite up to the job of doing it justice.
This Aida recording is very good material for sorting complex scoring and inner voices things out and some of the greatest music in all of Opera thrown in as a bonus.
Large scale Opera at its very best imho.
Another quite good example is Muti's CSO live 24/96 recording of Otello which also has an impressive dynamic range.
Massive forces at times and Desdemona's last prayer very suitably ppp.
Cheers Controversial Christer