- Aug 18, 2017
I thought the infamous IMD hump was only exhibited by ESS DAC chips. Assuming your RME is an older unit like mine, it uses the AK4493 chip.
As you can see from the loopback results of ADI2 Pro by itself (it is the AK chip), there is no IMD hump. It only shows up when feeding ADI2 output to Cosmos ADC, not sure why.