As far as your question about pressing gently down on the dome of the diaphragm, you may want to ask some of the members who do mods - you can also find the author of the mods in the link I posted above.
Cause I did it, not really thinking about. Then I thought, hmm, the diaphragm doesn't flex this much when music is playing through it, maybe its a bad idea.
Read these "rules" AND introduce
yourself before your first post
Being true to what the artists intended
(opinion / entertainment piece)
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