A filmed comparison
NOTE: We've noticed that it's a little hard to tell between the dampener and weight and will be re-filming with non-silent switches installed.
This a video showcasing between no-Internal Weight/Dampener, the Internal Dampener and the Internal Weight.
Products used:
W01 Internal Weight
https://ramaworks.store/products/w01-a-internal-weight
W02 Internal Dampener
https://ramaworks.store/products/w02-a-internal-dampener
Compatible with the M60-A and KOYU (cannot be used at the same time)
BTS
The sound was filmed using an array of stereo microphones. No post processing (i.e noise reduction) was used.