I think I was a little bit hard on the NBM on my initial impressions with the Eikon. As long as the track doesn't include strong and powerful bass the NBM does just fine with the Eikon. The Jot certainly slams harder on the Eikon but the NBM is still nicer to my ears in most of the areas that count. The bass extension is better than I first thought even if the slam suffers a little bit. Long story short, I'm quite satisfied with the NBM and the Eikon for the great majority of the music that I listen to and if I want more slam for EDM I can always use the Jot. Edit - And when / if I purchase another tube amp it's not going to be because it is cheap. It will be because it has great synergy with the Eikon, period.