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Circumaural Stealth Grado

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stratocaster:
For quite some time I had some beat-up Grado SR125i drivers and a pair of really nice looking black anodized 325i aluminium shells lying around. Finally found some time working on this “Stealth Grado”. 

The following mods were carried out: Drivers were put into Limba sleeves and some internal damping was applied. The crucial part came with the pads. Grado L-cushs were lacking comfort, plus I was not really satisfied with the sonic performance. So I decided to start experimenting on pads, trying every pad I had available. Surprisingly I had the best results with some older Sennheiser velour pads mounted on the L-cushs! This not only gave the best sonic result, but it also increased the comfort tremendously, finally turning these circumaural.

I am really, really happy with these now. They are comfortable, nice-looking, and, what is most important, excellent sounding. Wouldn’t have thought I would ever return to a Grado, but here I am.

Attached pics:

1: Headphones and pads
2: Comparison stock Grado driver with L-cushs compared to the modded circumaural set
3: Overlay left/right
4: FR left
5: FR right
6: CSD right
7: Compared to HD600 (red)
8: Headphones and pads

Kamaka:
Nice work.   :)p1

Could you give any additional details about the pads Sennheiser pads?
I'm curious which ones they are, and did you do anything specific to mount them to the L-Cush pads?

stratocaster:
I removed the pads from some vintage HD540 Reference II headphones. They resemble HD6xx pads, but were heavily used and quite 'flat'. I finally glued them on the L-cushs, after I made sure I really liked what I was hearing.

Solderdude:
That would be the first 'cheap' Grado I could possible live with happily.
(Never heard the unobtanium like 'real' grados)

I almost cannot believe a Grado could be modified to measure like this.
Of course, the foam pads are mostly to blame.

spoony:
Holy shit, ain't that something!

Edit: How important is the wooden sleeve?

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