Why does Premium HIFI equipment still uses 100 years old RCA

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Despite the introduction of more advanced audio and video signal cables, such as HDMI and Toslink, most audio and a large number of video connections still use the common RCA connector. This is a premium two-channel audio cable made of RG-59 75 ohm coaxial cable. The cable uses a 22AWG conductor and is shielded to prevent EMI or RFI interference from entering your audio system. The connectors are gold plated, for smooth connections and to prevent corrosion.

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The history of the RCA brand: 100 years of technological innovations

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In electronics, a phone connector, also known as phone jack, audio jack or jack plug, is a common family of connector typically used for analog

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Why does Premium HIFI equipment still uses 100 years old RCA

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