German Maestro GMP160 part 2

So I decided to modify the housing of the GMP160.  I liked my EQ mod, but it sure would be nice to be able to use these cans for everything without a high powered EQ.  You can see the into to this here.

After about a million mods and measurements, I ended up with this:

Here's my mod vs. the Mad Dog 3.2:

:)

But it's still not good enough!  I think that 8k region needs attenuating.  It just doesn't seem to track well with what I hear.  More work must be done.