audio gd nfb-11

Looking for an amp that is smooth and warm. It doesn't need high bass, not what I mean by warm. It just needs to be as little fatiguing as possible, while having 0 static noise (Hizz) when nothing is on and at g ood volume. Been looking at these from Audio-GD. The R2R15/S15 uses something...

I recently picked up a lightly used Hifiman HE-5LE ortho HP as an entry into the hobby and had since been on the hunt to assemble a decent and well-functioning rig with the HP. I had an AGD NFB-11 DAC+pre/amp on order and set to ship any moment now with only a standalone amp to be sourced to...