There are already a lot of pics posted of various headphone drivers in different threads, but this thread is intended to consolidate them all into one thread. That way we can analyze and spot driver differences or similarities between various headphone models and brands. So if you have ever taken yours apart, post pics of it here. 
List any specs that you can find out about the driver, whether obtained by yourself or already given by the manufacturer. The measurements can be approximate, just round off to your unit of choice. Also, if the driver has any sort of identification markings on it, list those too.
driver type - dynamic
from headphone brand and model - AKG K240M
driver diameter (or L x W if square shaped) - ~1.25" (~32mm)
driver depth -
diaphragm thickness -
impedance - 600 ohms
markings on back - 10WD
List any specs that you can find out about the driver, whether obtained by yourself or already given by the manufacturer. The measurements can be approximate, just round off to your unit of choice. Also, if the driver has any sort of identification markings on it, list those too.
driver type - dynamic
from headphone brand and model - AKG K240M
driver diameter (or L x W if square shaped) - ~1.25" (~32mm)
driver depth -
diaphragm thickness -
impedance - 600 ohms
markings on back - 10WD
).
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