Mains
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Furutech’s DUCC Ultra Crystallized High Purity Copper is supplied and regulated with strict quality control by Mitsubishi Materials Industries. MMI is a leading manufacturer of the highest-purity oxygen-free copper in the world. Mitsubishi’s process uses newly developed technology that optimally aligns the crystals while reducing the number of crystal-grain boundaries.
The DSS 4.1 Speaker Cable comes included with a textile sheath/covering which is soft to the touch, and very attractive. This cable has a shield, and is designed not to need connection at either end, per Furutech’s recommendation. Flexibility is exceptional, and much better than many speaker cables of this AWG and/or diameter.
Technical Specifications
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Construction and Material |
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Item |
Specification |
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Conductor |
Material |
Alpha-OCC + α-DUCC (7N Class) |
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Construction （pcs／mm） |
Center – 1/0.8 NCF PE core
Inner – 89/0.18α-OCC (Right rotate) Middle – 39/0.18α-OCC (Left rotate) Outer – 62/0.13α-DUCC (Right rotate) |
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Diameter （mm） |
2.58 Approx. |
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Size |
11AWG / 4.08 Sq.mm |
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Insulation |
Inner Material |
Audio Grade FEP (Fluoropolymer) |
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Outer Material |
Audio Grade P.E.(Brown for”+”、Blue for “-“) |
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Diameter （mm） |
5. 5 |
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Twisting |
Method |
2 Cores Twisted Together |
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Fillers |
Polyester fibers Filler |
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Barrier Layer-1 |
Non-Woven Fabric wrap |
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Inner Sheath |
Material |
Audio Grade Flexible PVC (Black) Nano-Ceramic / Carbon particle compound |
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Diameter （mm） |
15.0 |
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Shield |
Material |
Cu-Foil + Braided OFC |
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Barrier Layer-2 |
Paper wrap |
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Outer Sheath |
Material |
Audio Grade Flexible PVC (Dark purple) |
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Nom. Thickness（mm） |
1.2 |
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Outer Sleeve |
Material |
Nylon yarn stranded braid(Black/Silver) |
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Overall Diameter （mm） |
19.0 Approx. |
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Electrical Properties |
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Item |
Specification |
Test Method |
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Max. Conductor Resistance Ω／km |
4.5 |
JISC3005 6 20℃ |
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Insulation Resistance MΩ‧km |
>2500 |
JISC3005 9.1 20℃ |
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| Capacitance PF/M | 51.69 Approx. | at 1 KHz | ||
| Inductance uH/M | 0.7 Approx. | at 1 KHz | ||
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Dielectric Strength V/1 min. |
AC 3000 |
JISC3005 8 |
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Cable off the Reel
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Such a technology as attaining maximum purity in raw materials is an important technology that has maintained the high levels of Japanese industrial technologies, and creates certain items that can only be manufactured in Japan. A real image of music emerges relatively by minimizing the noise level. The expressiveness, speed, and volume of the overtones that extend downward in the low-pitched music instrument. A vivid sense of reality and a sense of fulfillment that makes it possible to see the realistic vibrations of musical instruments across genres. Global standards will be inherited by the new 7N-S1010 Leggenda.
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