My gear DAC - Gustard X26 Pro in NOS mode Amp - Burson Soloist 3 XP in power-amp mode (volume bypassed) with Supercharger Files used - FLACs upsampled to DSD512 using PGGB My other current headphones: Focal Utopia, Hifiman HE1000se I've had the pleasure of spending some time with these headphones recently (still have them) and wow, what a surprise (I already have the HEKse). I would so far sum it up as: technicalities meet musicality. They are almost as good technically as the HEKse (although I am still not sure to what extent the differences are...