Anyone have any experience with DMaa tuned HD-600/650/6XX's?

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Was googling my way around and found this.
https://pota-run.blogspot.com/2018/03/hd6xx-dmaa.html

It's in Japanese so I had to use Google translate to make out what it was saying, but we all know how accurate that can be...

From what I could make of it, the tuning makes the headphones better (duh) but that's all I could get out of it. Maybe someone else here knows a bit more.

Some pics:


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Ho1y
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ethanchan
240
Oct 25, 2018
I called a friend of mine in japan and he is translating the blog for me, once I get the translation I will post it. He has however told me that there is no explanation on how to do the mod, the blog is about the mod and I guess what it does to the sound. Hopefully I will get the transcript in the next day or two.
Ho1y
62
Oct 25, 2018
No prob, from the little I understood, I did see that there is a contact email for the company and that they handle orders specifically through email.
ethanchan
240
Oct 25, 2018
All good, he would have a much easier time since he is fluent in Japanese, and all the Japanese I know I learned from a book called "Making out in Japanese" when I lived there... lol.
rastus
1231
Oct 23, 2018
Holy crapadoodle... hand picked matched pads... and everything else... I'm sold... too bad it is over in Japan... thanks for posting, great read. I can even get my vent hole taper corrected... did not see that I could get my eyes dyed to match my cans... "Smooth air flow is realized by optimizing the diameter of the vent hole on the outer surface of the baffle plate and performing taper processing." Hell,, maybe send a pair to Japan... heard a geisha play there once upon a time... perfection can be an obsession... it lives there...
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