I have been a dyed in the wool tube-o-phile since I was a teenager and couldn't afford a stereo like all the other boys, so I had to wire the amplifier of my Hammond C3 Organ into the Altec Voice of the Theatre speakers being used as a PA system by our band. The BIG sound of the Hammond PP6550 did it for me, and from the age of 15 I realized that current type amps were not for me. It was always tubes, until I stumbled across the T amps.
The Signature is a complete departure from even the finest sounding T amps I have heard, heard plenty and own about six of them. Despite the fact that I also own several very, very good tube amps, I have found myself listening exclusively to the Signature 30, over the last several weeks, as I imagine the amp to have crossed the 100+ hour mark and is offering my ears everything they want. It has become just an astonishing amp, I am listening to it play the Stargate TV show soundtrack with all this GLORIOUSLY musical orchestral music with synthesizer tracking, and whew, very monstrously tube-ish, but of course is not a tube amp. It does something even more interesting, and that is that it offers a sonic signature that my hearing cannot really distinguish from "tube." It is by far and away the best sounding solid state amp I have ever heard. Hope this helps.
