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Explain information:
1Q : Do the cables differ from the branch to the other end? Is it the same?
1A : upper and below cable have a same material.
But Cu have use some Ag material coating balance the sound effect. So Ag have some Cu material balance the sound effect too.
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![画像](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="401" height="680"><rect fill-opacity="0"/></svg>)
![画像](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="360" height="249"><rect fill-opacity="0"/></svg>)
![Material waybill](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="360" height="158"><rect fill-opacity="0"/></svg>)
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