I just thought this could interest some of you..
Let me know what you think :
Interesting video, Marco.
Both the old and new capacitors appear to be the same value (22nF), so I'm surprised you heard much difference between old and new. In addition, even a significant difference in the values (e.g. greater than a factor of two) would not have made the change from sudden onset of high-end loss to gradual loss as you turned the knob, so that's puzzling as well. I'm assuming you marked the position of the other three knobs (the ones you did not adjust in the video) before carrying out the capacitor swap, and then checked they were the same after the surgery.
I'm afraid I don't subscribe to all the guitarist stuff on the amazing difference brand X Farads work compared to brand Z Farads. even when stuck on a sensitive meter to identify teeny differences. In fact, I often wonder of differences are more caused by non true logarithmic tracks in the pots - squishing effects towards or away from one end.
I think the difference I hear subtle and have nothing to do with the brand or size. It may just be that the original ones were old and might not be on specs anymore.
The sound is the same but with the new ones the effect of the tone more gradual compared to have a jump before..