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Cardas Audio - Clear Sky X4 Speaker Pair

Cardas Audio

  • $ 62000

Cardas Audio Clear Sky X4 Speaker Pair

Clear Sky 4X is upgraded to offer a better resolution for a wider range of speakers. This entry-level cable uses braided Matched Propagation Conductors. It is a simplified version of Clear Light speaker cable, offering excellent performance at an affordable price. Compared to Clear Light, Clear Sky has soldered spades instead of forged spades. It also has a few less frills, such as using 'shrink cable' on the ends instead of machined beads.

The new X4 geometry also allows for internal bi-wire.
Cardas Clear Technology

Cardas Clear cables use newly applied technology that is George Cardas' breakthrough solution to the smeared, unfocused sound that's inherent in standard cable designs. They use Matched Propagation Conductors to deliver what George calls "an unprecedented window of clarity."

"Clear represents the best of Cardas," reports Alan Sircom in issue 66 of HiFi+ magazine, "so if you are already impressed with Cardas but want more, Clear could be the first, 'last' upgrade you make, sure in the knowledge that however high up the audiophile ladder you climb, Clear will be there, waiting for you to catch up."

The Lagging Charge Problem

At very high frequencies, cables can appear to propagate faster because the slower dielectric materials don't have the time to charge at very high frequencies, and the lag is diminished.

At audio frequencies, however, this lag creates a noticeable problem. That's why dielectric manufacturers may brag about what their dielectrics will do at a million cycles per second, but don't talk about what they do at a thousand cycles per second, where the negative effects are audible. Jitter is one directly observable artifact of this conductor/dielectric relationship.

Some cable manufacturers try to compensate for this differential lagging in a cable by adding an electrical network (for example, by using a load coil), but the damage has already been done. Once the low level information in the signal has been smeared, it cannot be recovered.

The Matched Propagation Solution

Since the so-called 'charge propagation velocity' of the dielectric can never equal the speed of electrical changes in the conductors, George Cardas' ingenious solution with Cardas Clear cables is to slow the conductor to match the rate of the dielectric.

In a concentrically stranded conductor with individually coated strands (such as the constant "Q" conductor used in Cardas cables) the vector velocity and decay time of the conductor can be matched to that of the dielectric by controlling the lay length progression (twists per inch or TPI) of successive strand layers.

A matched propagation velocity conductor of this type, as used in Cardas Clear cables, mitigates the effects of capacitance much as a load coils do, but it does this continuously in the cable rather than at intervals. Eliminating the time delay between storage elements in the cable itself eliminates the bandwidth and dynamic range limitation seen in periodically loaded cables.

A Huge Dynamic Range of Resolution

Clear has a constant transfer characteristic, exponentially lower resonance, and a huge dynamic range of resolution. It does not exaggerate the leading edge of the signals or smear low-level information as conventional conductors do. Clear maintains the overall time signature of the original sound elements making it easier to pick out what George Cardas calls "the head in the choir or the emotion in the individual voice."


4X 15AWG Conductors
Broad band shielding
State-of-the-art dielectric configurations
Ultra pure, grain-free 'low eddy' copper conductors
"Golden Ratio" constant "Q" strand scaling
Matched propagation strand layering
Rhodium plated silver contact surfaces
Shield Type: 100% spiral x 2 and Teflon graphite composite
Dielectric Type: Teflon, Air


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