Originally Posted by pandy71
btw those 6 bits attenuation are more linear (as PWM is linear by definition) than remain DAC system - not sure about real Amiga DAC linearity - maybe i should hook Amiga to Audio Precision analyzer?
Try running a 14-bit calibration program. Then you will see that it's not only nonlinear, but it is also different from one machine to another.
What i don't know is why the characteristics are the same (or very very close) for left and right outputs.