Ohms

Discussion in 'Speakers & Subwoofers' started by David Dunn, Jun 29, 2012.

  1. David Dunn

    David Dunn Auditioning

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    Why do my 4 ohm subs only read 1.5 ohms on the meter?
     
  2. Al.Anderson

    Al.Anderson Cinematographer

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    I'm not an expert, but I'll go with the basics - impedance varies by frequency; when a manufacturer states 4 ohms it's an average over all frequencies. Also, if you're just putting a meter across the terminals you're measuring DC resistance, which is not the same as AC impedance, which is what the speaker manufacturer is reporting.
     
  3. Robert_J

    Robert_J Lead Actor

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    Are they dual voice coils? If so, how are they wired? What subs are they?
     

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