G250HP main diaphragm

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Bumps? More stuff on stuff looks more advanced haha
That thought had crossed my mind...
 
Two shades of blue, we're up to 6 and counting ...
You forgot teal.

BTW I don't know if that's why they're there, but the small domes on the diaphragm add surface area without having to increase the diameter. The "domed" diaphragms were also found on some versions of the R190. DO NOT remove the center disk from these diaphragms as instructed by some-the material is very prone to tearing. :-(
 

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