I'm wondering if you received an answer to this question. I, too, am wondering what it means and what, if anything, I need to do. I've been running my newly built amp for about 12 hours or so and feel as though the sound just keeps getting better, clearer, fuller and more nuanced.

Right now mine is on a wood board though eventually I'd like to put it in a wood sided box with a sheet aluminum top that I bought from Hammond.

I'm hoping to install the anniversary mods tonight if I can figure out where exactly everything goes.

Thank you for the clarification. I can now rest easy on that element. I, too, just finished my build and am working on a narrative describing my process, successes and pitfalls alike.

I am really enjoying the sound of the amp. It seems to have some qualities that I can't quite put my finger on or describe. To tell you the truth, I'm not entirely sure I can tell the difference between my $300 Nobsound and the ZKIT. I *think* I can, but then I second guess myself...and then, like now, listening to Fela Kuti, I'm absolutely positive that the sound is magical and transformational.