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Thread: 48 Pounds of Speaker Cable

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    Senior Member miniguy's Avatar
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    It appears that each speaker cable has only one conductor. That means high to very high loop inductance, so some loudspeakers could have high frequency roll-off.
    Kevin

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    Senior Member miniguy's Avatar
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    Quote Originally Posted by Speedskater View Post
    It appears that each speaker cable has only one conductor. That means high to very high loop inductance, so some loudspeakers could have high frequency roll-off.
    Apparently not so. I talked to the designer and he said his calculation showed vanishingly low inductance.

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    Quote Originally Posted by miniguy View Post
    Apparently not so. I talked to the designer and he said his calculation showed vanishingly low inductance.
    Then either both conductors are in one cable or he didn't measure loop inductance.

    It's easy to get confused between wire and loop inductance. A flat wire has much lower wire inductance than a round wire of the same cross-section area, that's why flat wires are better for 'ground' wires. But for loudspeaker cables, the closer the two conductors are to each other the lower the loop inductance. In effect the conductors cancel some of the wire inductance of the other conductor. The lower the inductance the better the high frequency response.
    Last edited by Speedskater; 11-30-2017 at 06:22 AM.
    Kevin

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    Addicted to Best! Harlequin's Avatar
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    Hmmmm....More than a passing resemblance to Magnan Signature SC's !

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    I think the look on the Cats face in pic#1 says it all without even saying a word
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    [WBF Founding Member] Addicted to Best! JackD201's Avatar
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    I guess 48 lbs for 42 feet of cable isn't THAT bad is it?
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  8. #8
    That would be 84 feet.

  9. #9
    The electrical properties of a ribbon conductor are not the same as those of a round wire. A wide ribbon can be seen to behave similarly to a litz conductor where thousands of adjacent conductors cancel each otherís inductance. An extremely low Q circuit results with negligible roll-off. Given that there are four ribbons in each cable assembly, the effect is multiplied.

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    So are the four ribbons? 2 plus and 2 minus or to they all connect to one amp terminal?
    Kevin

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