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Theory / Technical

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    The Importance Of Impedance

    Why It Matters

    Open just about any equipment manual and you'll come across terms like input impedance, output impedance, impedance matching and so on — but what do they all mean, and does it matter anyway?

    Sound Advice Oct 1994
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    Decibels Explained


    What are decibels and where did they come from? Paul White explains why equipment specs quote them, meters read them and operating levels conform to them.

    Sound Advice Feb 1994
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