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| I appreciate your honest opinion however I would see where the sound of the Oehlbach is after about 150-200 hours, it may open up more. 72 hours of signal is a fair amount of time for a cables dielectric to become conditioned but I've seen many cables take far more hours to break in and this may or may not be the case with the Oehlbach. |
My experience is that cables tend to be 80-95% broken in within 48 hours of continuous use, and 98% broken in after 72 hours (these figures are not of course exact), which is why I considered it appropriate to review them after this period. I have never encountered any cables that took longer than this to run in, although I have listened to many, many cables over the years constructed of many different kinds of materials. Certainly, there will be some marginal further improvement with time, but I think you should be able to hear everything you need to know about a cable after 72 hours.
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| if anything, your impressions further prove that the differences between the two headphones alone (600/650) are pretty noticable and for the most part, are worth the upgrade. |
I'm not sure I actually said that. In fact, I don't really think the 650 is worth the upgrade unless you have lots of money you're trying to spend, or - like me - you have this anal compulsion to own everything. The 650 is noticeably different to the 600, but it is a small difference, and it is largely a non-musical difference: i.e. it sounds a little more substantial, a bit better defined spatially, a slightly more prominent midrange, but these are marginal changes, and they don't make the music any more enjoyable (just as, in my opinion, the 600 did not represent a
musical improvement over the 580s; I can happily sit back and listen to my 580s instead of the 600s without feeling that I am missing anything ... but I digress.) What I really meant to imply was that the difference between the 600 and 650 was so small that the difference between two cables was more noticeable. That said, my 650s probably still have some more running in to do (headphones and speakers tend to take months to run in properly, unlike cables).
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| just wait until you hear what the Zu's can do with the 650's. |
I'd be interested to hear the Zu's, but I have never liked cables with silver content. I find they have just the kind of treble extension you describe, but in an artificial way which I don't generally find attractive. Silver content cables (even when it is a small amount of silver) also tend to drain colour from the sound, in my experience. Now, I haven't heard the Zu's, so they may be different, but I have yet to hear a silver or silver/copper cable that doesn't fall into this pattern. For that reason I won't be buying the Zu's, but would love to hear them.