I swapped my TH 900 pads for my Denon AH-D5000 pads just for funsies. Not sure if I notice a difference.. I'd say maybe a bit less aggressive highs, but.. hmm. I really don't like messing with the stock product. Anyone done this, what findings did you have?
EDIT:
swapped them back, and noticed I have torn off some of the outer layer on the stock TH 900 pads. God F"#% damnit, why did I do this stupid $h1t
give it more time to notice the deference .
I dont have the Denon pads , but from the look , it is very close to the TH-X00 pads , in general with smaller pad opening
you should get more bass , less sound stage or some times better mids or less high's or you could get congested sound , it depends ,
other factors effect also ,, like the fabric mesh material used , thick or light mesh , in the Lowton pads it is thick , in Stock / Dekoni pads it Is light
foam density & distance between your ear and the driver , if foam is old , squishy , it will lead to smaller distance or vise versa ,
attenuation ring , shape of the opining , etc....
I hope you torn off the inner part , man i swapped mine 100's times ,, never got any problem ,,
i would freak out if i was you