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In Reply to: Re: Beard Audio posted by STUART on April 2, 2007 at 13:46:06:
It is impossible to measure DCR in a circuit with capacitors, and the DCR is no accurate representation of the complex impedence of a speaker. I have worked with speakers that are "8 ohms" with a DCR at the terminals of 7ohms, and when you test them with Leap you can see they drop as low as 2.8 ohms!!! Very scary.Some speakers present a more complex load than others, tis' the nature of the beast. Though a well designed speaker should have a well- controled impedance curve.
At a pawn shop with speakers like that, I would be careful all-around. PLay them soft for a while, then gradually increase the volume as you go monitoring the heat of the amp. If it is a PA/Pro amp, it likely has short and thermal protection anyway.
Mike "use your ears" Z
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Follow Ups
- Stuart, I respectfully disagree with your trick... - *Michael Z* 16:52:50 04/02/07 (1)
- Re: Stuart, I respectfully disagree with your trick... - STUART 07:01:44 04/05/07 (0)
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