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Message: <blockquote data-quote="Water Bear" data-source="post: 8639788" data-attributes="member: 673826">I don't know if what I'm about to say is super obvious or not, so I'm just going to say it:Obviously you cannot have negative resistance, so either 1) your meter is bad or 2) your meter is reading an unexpected signal of some kind and displaying something odd.  Basically a software bug.  An example:  If you set some voltmeters to AC and measure a battery (DC) it will sometimes return a positive voltage reading even though the AC voltage on a battery is zero.I'm actually not sure I understand what you're even trying to measure.  Are you measuring the resistance when you hook the meter up to the amp's speaker terminals, or when you hook the meter up to the speaker itself?</blockquote>

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