Looking for a new DAP. My main concerns are an absolutely thight and precise (not rounded) bass with an excellent clean and sharp subbass extention fluid / liquid mids with "flesh to the bone" and nice rich textures without being upfront in the upper mids a delicate and fine treble extention...

I just digged into tube rolling a bit as my dac (Lab 12 Dac 1 Reference), which is using ECC88s and variants in its output stage, needs a shot of energy and atmosphere. The stock tubes were 6922 Electro Harmonix. Well, they were okay but nothing special and lacked a precise bass. I changed over...

Aiva-fanatics, I'm new to head-fi and looking for a headamp matching with the Aiva. Although my source, the Lector CDP 707, has tubes in its output stage, I still need to bring some more meat to the bones and tame the treble a bit. Changing the Aivas cables to the Claire HPC MK II from Forza...