I always feel a little simpathetic towards amp builders, especially on a small scale. It's a problem knowing what your little work of art is doing until you hook it up with a speaker. And there lies a problem. What speaker do you use. The point of reference is hard to achieve sometimes. If you are listening for bass, how low must the bass cab go and in what room etc. I realize that AB testing in any environment, tells you something but not everything.
By the way, I had a look at the amp as soon as I got there, and when I heard it, it sounded fine. But once again, I had no point of reference, because I didn't know what the cabs should sound like in the first place.
I think that at the next meet, we will have the chance to organize a proper agenda. I got there and didn't do anything. I was happy to be there and just talk to everyone.