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i have been hacking my Grado headphones and had put some putty on the driver to damp back wave resonance. i picked this trick up on various forums. i also removed the plastic grill which made a nice improvement
i was thinking fast and light vs mass and damping and removed the putty to see what the difference was now after several more mods. And the sound was a bit better. so i glued a small brass weight to he back of the driver and it made an appreciable difference. now there is much more resonance but all of a musical or musical detail type.
The glue adds some rigidity and any resonance rings along with the brass.
I bet a small brass washer will add more rigidity.
wondering about loading the back of speaker driver with a brass bolt, etc.
Follow Ups:
I applied some dynamat stuff on my driver, without covering t two holes. Also did a 3 hole mod and added some Dynamat stuff on the plastic housing.
Replaced the grill with a mash. Using the Sennheiser pads with the quarter mod. Prefer the pads not reversed.
try a silver cable. very smooth and open.
and then reversed the mesh. because the it was really the old plastic that was the source of he poor sound. after i took that off the blu tac just bugged me. so that came off.
the thing is, is that i now like he sr60s better than my AT ath9000.
silver cable is next move.
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