I think it was three years before it stopped being unpleasant and another three that made it largely go away. I remember designing an amplifier circuit for a c

I think it was three years before it stopped being unpleasant and another three that made it largely go away. I remember designing an amplifier circuit for a college project, listening to the output sine wave while looking at the frequency domain and thinking "that unpleasant feeling is just the THD being over 0,5%". Fingers crossed for your recovery!