oh yeah I actually work with electronics, just confused about where the mV for spl comes from, since it seems way too low to take less then a volt, since 1 volt into 100 ohms, would be only 10 mW, yet I run my amp at 1/2-3/4 with my dac at -11 dB, (50 in windows) so my amp is at like 1.5-2.25W...