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AfterDark. Black Magic Carbon Fiber Shielding (CFS) 8K I2S HDMI Cable

Length

AfterDark. Black Magic Carbon Fiber Shielding (CFS) 8K I2S HDMI 2.1 Cable 1.5m 碳纖維屏蔽I2S HDMI數碼線

電磁干擾(EMI)在設計數碼線時,以盡量減少對射頻干擾和其他形式的EMI的影響。材料選擇,物理佈局,接地實踐,並且數碼線設計都已被指定,以減少電磁場對本機性能的影響。然而,與此同時,店主的主要目標是在正常的家庭環境中準確地再現錄音室錄製的音樂. 

AfterDark. x 音響夜冷店 2017推出新產品: Black Magic Carbon Fiber Shielding (CFS) 8K I2S HDMI 2.1 Cable 1.5m 碳纖維屏蔽I2S HDMI數碼線

店主設計這I2S HDMI線用於Denafrips IS2 HDMI R2R DACAfterDark. Project ClayX I2S to I2S HDMI Bridge, Rockna DAC, Bluray Player, 4K OLED TV, 8K TV。
為什麼選擇碳纖維屏蔽?
碳纖維起源於航空材料,但隨著這種材料的使用越來越廣泛,碳纖維屏蔽已經成功地解決電子設備與EMI(電磁干擾), 成功用碳纖維複合屏蔽方式應用於發燒音響HDMI數碼線上.

為什麼選擇8K I2S HDMI 2.1?
Quoted from Unwire.HK:
" 雖然 8K 電視應該還要一段頗長時間才能普及,不過 HDMI Forum 如今已開始作好準備.

今日他們就再宣佈將標準更新至 HDMI 2.1,不但提高了傳輸線頻寬,而且最大特點是支援 8K @ 60Hz 播放,以及動態 HDR 及 VRR 等新技術讓 4K 電視都一樣可以受惠。

以滿足市場對高性能的需求, 至於 HDMI 2.1 的特點,當中就包括有支援 8K @ 60Hz 及 4K @ 120Hz,而為實現流暢播放,因此頻寬亦由原先的 18Gbps 大增至 48Gbps,48G 傳輸線可以向下兼容現有 HDMI 規格(HDMI 2.0 及 1.4)。

此外,HDMI 2.1 同時亦支援動態 HDR,亦即表示會針對每一刻、每一幕甚至是每一格進行 HDR 處理,能夠做出更理想的景深、細節、明亮度、反差及色域呈現等。至於 VRR(可變更新率)遊戲模式則可將顯卡輸出訊號與更新率同步,可以減少或消除延遲及畫面撕裂等情況發生。HDMI 2.1 規格最快會於今年第二季初向廠商發佈.

即意味著今年內應該有可能會見到對應 HDMI 2.1 的產品在市場上出現."

Specification:
  • One Layer of Carbon Fiber Shielding woven for EMI shielding and Two Layer of aluminum foils for high frequency effective shielding: This will prevent external noise from getting to the signal conductors, shields the shield of the cable to further prevent the ingress of noise (RFI, etc.) into the ground plane.
  • Superior dual-layer isolation, 1st Layer of aluminum foils for High Frequency (HF) Effective shielding. SFS-PE (Foam-Skin Polyethylene) insulated and 2nd layer of copper wire braiding on each individual pairs of twisted wire. This will prevent external noise from getting to the signal conductors, shields the shield of the cable to further prevent the ingress of noise (RFI, etc.) into the signal wires.
  • Silver Plated Oxygen Free Copper (OFC) conductors
  • HDMI 2.1 standard, 8K@60Hz 48Gbps, 4K@120Hz 18Gbps, HDR and 10bits supported.
  • Atoms Supported 32 channels, 1536 kHz simplify rate applicable.
  • Audio grade I2S HDMI cable for Audiophile I2S DAC recommended. (Denefrips Pontus R2R, Rockna DAC, PS Audio DS)
  • High speed low-loss gas-foamed polyethylene insulation: high quality insulation for cables that has less impact on the signal and insulates the conductors well.
  • Flat cable design
  • Additional EMI Shielding Material apply on both HDMI connectors to prevent noise goes to TV or I2S HDMI connector.
  • 24K Gold Plated commercial grade metal HDMI connectors.
  • All hand Made in Hong Kong by AfterDark.
Review:
The AfterDark. Black Magic I2S HDMI cable uses heavy Silver Plated Oxygen Free Copper (OFC) conductors for all 19 of the paths. Currently it outperforms any I2S HDMI interconnect ever made, while it is exceed the all HDMI 2.0b standard. The bandwidth of HDMI 2.1 @ 48Gbps vs HDMI 2.0b @18Gbps which is significantly higher than the clock rates used in even high resolution digital audio and is engineered specifically to handle up to 8K for critical application with highest HDMI specification. 

Electrical interference and EMI is a big issue to deal with in digital signal transmission and the better the shielding to keep these noises out, the better and cleaner the performance of the cables.  

AfterDark. Black Magic I2S HDMI cable, we use exotic EMI shielding material both on metal HDMI Connectors and make use of our signature Carbon Fiber Shielding (CFS) technology to provide substantial noise reduction in high frequency interference. 

The sound quality on I2S HDMI DAC is simply stunning, high frequency extension very smoothly with full bodies of details presentation. The I2S signal was greatly benefit by CFS technology, the interference on EMI on 4G was further minimized, in returns of much darker background and more deeper on details rendering. 

We have positive comments from one audiophile customer ordering 2 units for Sony A1 4K OLED HDTV:
  • "Video quality is perfect and stunning in its clarity and three dimensionality on HDR, I cannot believe there is such different compared with other HDMI cables. " .

    Recent positive feedback from Denefrips Pontus R2R user:

  • "The sound quality of this cable simply unlock the performance on my R2R dac, it sound very balance and comfortable, lots of details at the background, the Carbon Fiber Shielding makes a different, high recommended this I2S HDMI for audiophile"
所有發燒產品從設計,生產和裝配及售後服務將會在香港每日夜晚9點開始...人手製作。
因為店主只能在晚上開始生產線,店主每晚只能生產有限的AfterDark.產品。



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