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Upgrading Speaker Cables: Wireworld Silver Eclipse or Transparent Audio Ultra?

More than 15 years ago, I bought a set of speaker cables to accompany my then brand new Revel Ultima Studios and Krell FPB amplifiers.  While I continue to adore the sound of my system, I know there have been a lot of advancements in cable technology this century.  Consequently, I believe that a [relatively] low cost upgrade would be a purchase of new speaker cables.  (I have no intent to replace either my speakers or my amplifiers at this time.)  I live in an area that is several hundred miles distant from any high end dealer, so doing a sonic audition of cables is infeasible; moreover, I could not duplicate my combination of other sources, amplifiers, interconnect cables, and power cords -- as well, of course, of my room environment.

All that being said, I have done tons of reading about speaker cables these past few months.  The result of my efforts has been to narrow down my two upgrade choices (both bi-wired) to Transparent Audio's Ultras and Wireworld Cable's Silver Eclipse.  Coincidentally, their respective MSRPs are between $50 of each other.

Ideally, I would love to read responses from other Audiogon members who have actually auditioned one cable against the other.  That is likely to be nigh unto impossible because I have been unable to identify a single dealer who carries both lines.  Consequently, I would be delighted to receive anyone's thoughts about the pluses and minuses of each individual cable.

Many thanks to all who provide their much appreciated insights!
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b4icu
553 posts
 
Mr.  mikemeeks
For your  Levinson 585
https://www.stereophile.com/content/mark-levinson-no585-integrated-amplifier-specifications
With a DF of >400, at a 10ft. length cable, I would recommend you a #0 awg cable.
Make one (DIY) for under $100 and you will be thrilled from the sound improvement. 
 
mikemeeks
26 posts
 
@jmeyers The two key differences for me was a deeper and better articulated bass and a smoother but also more detailed upper midrange and lower treble.  Overall, more relaxed and more musical.  On my system, the differences were pretty obvious - no ‘golden ears’ needed.
jmeyers's avatar
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jmeyers OP
126 posts
 
@ mikemeeks. First, thank you.  I don’t have a dealer closer than 300+ miles fro me, so trying a pair isn’t any easy option — particularly given mine wouldn’t be a case that if I like them I’d buy them. Your observations of the Ultras are similar to the only poster I’ve run across who has the Wireworld Silver Eclipses. Both are great, I suspect. Ultras are, however, the safer choice for me. I have had a good experience with them already, and Transparent at its higher price levels is known for offering cables that are very listenable.
mikemeeks
26 posts
 
@jmeyers Your welcome!  I agree with your observation about Transparent and Wireworld- I've also have heard nothing but good about both manufacturers.  In my case, my longtime dealer carries Transparent, and lets me take home most anything I want to try for a few days to hear it in my system.  So my choice of brand was pretty simple.  I almost balked the first time I bought Transparent - I had never purchased cables in that price range.  But after a little listening, I was finally convinced that cables can make a significant difference.
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