ZCable Z-Sleeve Ultra1 Others

5/5 (1 Reviews) MSRP : $299.00


Product Description

Power and signal line conditioner that fits over the outside of the cable. NOT ferrite based. 1 1/8" internal diameter.


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Reviews 1 - 1 (1 Reviews Total)

User Reviews

Overall Rating:5
Value Rating:5
Submitted by stanley phua a AudioPhile

Date Reviewed: June 25, 2006

Bottom Line:   
I purchase a pair of the Zcable Ultra Z sleeves and a pair of Extra heavy after stumbling on the zcable website not so long ago. I bought this because I am convince of the technology used and thought I give it a try. Thankfully the results are very satisfying. I used the ultra on the CD interconnect and the preamp to power amp and the pair of extra heavy (incidentally cost USD399 each compared to the Ultra at USD299 each) on my speaker cables closer to the speaker end.

The immediate effect I heard is that the background is so much quieter and resulting in so much more detai being revealed and the high frequency is so much more airy. As far as voice is concerned the harmonic quality and texture is so much more natural and makes the music more involving.

Down at the low frequency, the bass is much more defined and distinct.

Sound stage and depth improved significantly as spatial resolution is now very much enhanced.

To ensure that it is not a placebo effect, I remove them after listening to them for more than 48 hours. Immediately the edginess and veiling effect come into play and makes listening more fatiguing, so after half hour or so the z-sleeves are back on. The thing to try now is to switch between the Ultra and Extra heavy to see if a different arrangement will produce a different effect. Maybe there are hidden surprises.

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Used product for:   1 to 3 months

Duration Product Used:   AudioPhile

Product model year:   2006

Price Paid:    $299.00

Purchased At:   Direct from zcable




Reviews 1 - 1 (1 Reviews Total)

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