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Thread: 8 ohm and 4ohm

  1. #1

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    Default 8 ohm and 4ohm

    Can someone explain this to me. What is the differance between 4 ohm and 8 ohm. If speakers ar listed a 4 ohm, can I use them??

    I have a Jolida 1501 (500mV at 1KHz and 8 ohms for 100 watt output).

    Thanks
    Patrick

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    Ohm is a measure of resistance. The lower the number the more current is needed, meaning it's harder to drive a 4 ohm speaker than a 8 ohm speaker. In your case, the Jolida isn't rated to drive a 4 ohm load and while you can use the Jolida to drive those speakers, it will tax the amp resulting in less than ideal sound quality and probably a early death for the amp.

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    Last edited by F1nut; 06-23-2005 at 10:52 AM.
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    Default Reply to F1nut

    Originally posted by F1nut
    Ohm is a measure of resistance. The lower the number the higher the resistance, meaning it's harder to drive a 4 ohm speaker than a 8 ohm speaker. In your case, the Jolida isn't rated to drive a 4 ohm load and while you can use the Jolida to drive those speakers, it will tax the amp resulting in less than ideal sound quality and probably a early death for the amp.
    Thank you. I understand now.

    Patrick

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    Originally posted by F1nut
    Ohm is a measure of resistance. The lower the number the higher the resistance, meaning it's harder to drive a 4 ohm speaker than a 8 ohm speaker.
    Uhh... the lower the number, the lower the resistance, meaning more current goes through the amp (and speakers), meaning it's harder to drive a 4 ohm speaker than a 8 ohm speaker.

    Regardless, the final point is the same.
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    Yep, you're right...thanks for correcting that.
    'Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

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