Someone told me that FURUTECH's ADL iHP-35X cable are "really great, they are the cable to own absolutely with a DT1770". I didn't get a chance to try it myself unfortunately.

Well, that's what I have done since my previous post and I believe I've seen quite an improvement doing so! Indeed, there is a quite a step in terms of clarity and intimacy: I believe any DT-1770 owner should try this out!   I'll progress with the smallest membrane once I'll have a proper...

@TwoEars: How dix you removed the two smallest membrane? By cutting them? Nice thread btw, looking forward to try this out.