I always wonder what will come out of review amps once I fire them up and first listen. I always run the amp in for 10-12 hours after getting it without playing the amp at all, and then I let them warm up for an hour on the day of first listening before I strap the cans to my head. And then I eagerly press play and let the music flow. And in the case of the Elekit, flow it did indeed, and in a very pleasing way.
One of the very first things I did when I started InnerFidelity was call Doc B. (Dan Schmalle) at Bottlehead to get a little Crack. No, not the white stuff...the dandy little OTL headphone amp DIY kit. I wanted it for my measurement program, which was slow in coming, so it took a while to get around to building it.