2nd Pass (ATG, Ear to Nose) - Again I started with the Brass. There was almost no audible feedback, or very little feedback. However, the razor clearly cleaned up the majority of the remaining growth. It pretty smooth, but aggressive. I started to notice some blade feel and minimal irritation. The SS razor was more audible on second pass. It also did a great job clearing growth. The SS razor felt much more smooth without the extra blade feel and irritation.
It could be that the Brass head might have taken off so much hair on the first pass that the 2nd pass was a bit quieter.
Conversely, it may have been that the SS was more audible on the 2nd pass as it didn't remove that much hair on the first pass.
Here's a theory: the new design heads may be erring just a smidge more on the side of smoothness than efficiency,
compared to the previous version.
Either way, I am sure you can't go wrong with this great artisan.