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P1100793-2
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Silver Pulse

from $150.00

A cryo-treated, unshielded hybrid cable that balances bass power, midrange body and pristine highs.

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Silver Pulse is a cryogenically treated hybrid cable which offers the bass power and midrange body of Continuous CrystalTM Copper and the pristine upper registers of .9999 high-purity Silver. The result is a musical sound that is completely neutral, clean, open, and relaxed.

The bass has resounding definition and extraordinary energy, the midrange provides natural timbres, and the highs are neither bright nor soft, but have a clear and lively presence that is perfectly proportioned to the rest of the music.
Silver Pulse is MADE IN USA.

Design

The design starts with a solid core conductor made of 99.99% (4N) Pure OFHCC copper and a tightened, cryo-treated grain structure. The core is then surrounded with a surface-polished, thick layer of 99.999% (5N) purity grade silver. The exact ratios are proprietary, but the silver sheath is thicker and better bonded than most designs. This hybrid conductor is then covered with a non-porous PTFE (Teflon) insulator known for extremely low capacitance. These conductors are then twisted together at a very specific rate to reject electromagnetic interference.

Extremely low capacitance and interference rejecting geometries allow us to do away with shielding. Eliminating the shield noticeably opens up the sound. Physics buffs understand that a signal traversing a conductor carries a portion of its energy in the field surrounding that conductor. The use of a shield is like a brick wall around this field, limiting its ability to expand and contract with the AC waveform. Some cables are so focused at rejecting rare interference that they often interfere with the signal themselves. In situations where shielding isn’t essential, you will get a better result with an unshielded cable.

Assembly

Each pair of conductors is cut from successive lengths off the spool. While most spools of wire are relatively consistent, there are always minor variations from the beginning to the end of a roll. This variance does not result in a balance change, but it can flatten soundstage. Silver Pulse is hand-assembled in small quantities to ensure that each pair is closely matched. Finally, meticulous silver-solder welds are put in place by our skilled assemblers during termination.

About Continuous Crystal™ Long-Grain Copper

Our proprietary copper technology (available only in the USA) features higher purity and lower electrical resistance than OFHC, OFC, and OHNO Copper offerings, sonically outperforming competing manufacturers.

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Understanding Copper Grain Structure in Audio Cables

The term grain refers to the microscopic fractures or boundaries within the surface of copper. This matters because audio signals primarily travel along the surface of the conductor, and each grain boundary can introduce resistance and signal distortion.

Standard OFHC (Oxygen-Free High Conductivity) Copper – Commonly used in many audiophile-grade cables, this copper contains approximately 1,500 grains per foot.

Linear-Crystal or LC-OFC Copper – A higher grade of copper that has been carefully drawn to reduce grain boundaries, resulting in about 70 grains per foot. This refinement enhances conductivity and signal clarity.

Typical OHNO Copper (Offshore) – Produced using heated mold continuous casting, this process yields ultra-long, single-crystal copper grains—often up to 200 feet in length. It’s a step above in terms of signal purity and performance.

DH Labs Continuous Crystal™ Long-Grain Copper (Made in USA) – Our proprietary copper technology (available only in the USA) pushes performance even further, producing single copper crystals that extend well over 700 feet. With no grain boundaries, extremely low electrical resistance, and a high level of purity, this material represents the pinnacle of copper performance for high-end audio applications.

WHAT CUSTOMERS ARE SAYING

The Silver Pulse sound is so transparent and clean. The different process you use to coat your copper with silver is interesting. While I’m listening I can almost see the music imaged in silver. It is crystal clear, light, dynamics free as a bird, and the whole band is right there as if reflected in silver. Now as I listen, I keep thinking to myself what good sound this is.

Randall

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