There’s an interesting difference in measured power between the Purifi 1ET400A EVAL1 amp with a Hypex SMPS 1200A400 (131/257W pre-clip, 205/380 at 1%, ASR) and the same amp with the NAD SMPS in the C298 (180/415 pre-clip, 269/528 at 1%, SSN). As I understand it, this is due to differences in...