Clou Blue Jaspis for Senn HD 580/600 Headphones


Can anyone who has replaced stock Sennheiser cord with Blue Jaspis (or Red Jaspis) comment on what effect it has on sound. Is this a significant upgrade over stock cords?

I know they look very cool, do they sound as good as they look?
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I learned of of the Clou Red Jaspis from this thread a few days ago...and decided to pick up a set. Wow. Improved the mids and highs of my HD 600's tremendously. Highly recommended!
To the previous posters on this topic (and others who know): Yesterday the connection in the mini-jack termination on my 4-month old pair of HD600's went south. A background buzz showed up intermmitently in one or the other or both channels, and came and went depending on how I manipulated and positioned the lead cable at the strain relief. It then became chronic in both channels no matter what I did (or what it was plugged into, whether the 1/4" adaptor was used or not). I was gonna go to RatShak for replacement plug, when I thought I remembered something about a cable upgrade called "Clou", did the A-Gon search, and found youse here guys. Well, if I'm talking about spending mo' money than just getting a better jack, this is what I primarily think could use improving with the 'phones' sound: They are too aggressive through the treble, whether powered by my Musical Fidelity X-Cans v.2 or any other source. The above opinions on the Clou to remedy this conflict somewhat, but overall seem to be pro. But which version will be best for this? How is the modification made to the earpieces? And how much is comfort compromised? Thanks for any advice.
I wrote a comparison of these cables at Head-Fi.

You can see it at:

http://www.head-fi.org/forums/showthread.php?s=&threadid=8751

-- Jude --