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
Construction and Material |
Ā |
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Item |
Specification |
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Ā Ā Ā Conductor |
Material |
Alpha-OCCĀ +Ā Ī±-DUCC (7N Class) |
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Construction ļ¼pcsļ¼mmļ¼ |
Ā Ā Ā Ā Ā Ā Ā Ā Ā Center ā 1/0.8 NCF PE core
Ā Ā Ā Inner ā 89/0.18Ī±-OCC (Right rotate) Ā Ā Middle ā 39/0.18Ī±-OCC (Left rotate) Ā Ā Ā Ā Ā Ā Ā Ā Ā Outer ā 62/0.13Ī±-DUCC (Right rotate) |
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Ā Diameter ļ¼mmļ¼ |
2.58 Approx. |
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Size |
11AWG / 4.08 Sq.mm |
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Ā Insulation |
Inner Material |
Audio Grade FEP (Fluoropolymer)Ā |
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Outer Material |
Audio Grade P.E.(Brown forā+āćBlue for ā-ā) |
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Ā DiameterĀ ļ¼mmļ¼ |
5. 5 |
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Twisting |
Method |
2 Cores Twisted TogetherĀ Ā |
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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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Ā DiameterĀ Ā ļ¼mmļ¼ |
15.0 |
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Shield |
Material |
Cu-Foil + Braided OFC |
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Barrier Layer-2 |
PaperĀ wrap |
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Outer Sheath |
Material |
Audio Grade Flexible PVC (Dark purple) |
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Nom. Thicknessļ¼mmļ¼ |
1.2 |
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Outer Sleeve |
Material |
Nylon yarn stranded braid(Black/Silver) |
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Ā Overall Diameter ļ¼mmļ¼ |
Ā 19.0 Approx. |
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Electrical Properties |
Ā |
Ā |
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Item |
Specification |
Test Method |
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Max. Conductor ResistanceĀ Ā Ā Ā Ī©ļ¼km |
Ā Ā Ā 4.5 |
Ā Ā JISC3005Ā 6Ā Ā Ā 20āĀ |
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Insulation ResistanceĀ Ā Ā Ā Ā Ā Ā Ā MĪ©ā§km |
>2500 |
Ā Ā JISC3005Ā 9.1Ā Ā 20āĀ |
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CapacitanceĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā PF/M | 51.69Ā Ā Ā Approx. | at 1 KHz | ||
InductanceĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā uH/M | 0.7Ā Ā Ā Ā Ā Approx. | at 1 KHz | ||
Dielectric StrengthĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā V/1 min.Ā Ā Ā |
Ā ACĀ 3000Ā Ā Ā Ā Ā Ā Ā Ā Ā |
Ā Ā JISC3005Ā 8 |
Cable off the Reel
Acrolink 7N-PC4020 Leggenda Mains Power Cable for DIY (PER MTR)
- 7N DUCC COPPER
- FOIL SHIELDED
- SOLD PER METRE
- DATA SHEETĀ HERE
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- NEW DESIGN spec. sheet here
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