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Testing speakers with multimeter?

Speakers | Audiokarma Home Audio Stereo Discussion Forums - audiokarma.org
I tested some Klipsch Forte II speakers with a multimeter and one of them registered around 10 ohms while another around 4.7. After I powered them up to test them, both speakers were around 4.7 Ohms (unhooked from amp again).

Is the change in resistance indicative of anything? Or did I just wake up a dormant capacitor?

Is this even a worthwhile test for a speaker cabinet, or just testing a whole cabinet circuit with crossover installed pointless?

The speaker with the 10ohm starting value had some odd rubbing noises that I thought was a blown woofer but turned out to most likely be a really bad connection when I hastily plugged in my amp. I had limited time to test the speakers but at 20 Hertz the questionable woofer sounded like it was rubbing at first. Both put out good bass after I fixed the wire on the amp from what I could tell.

I was concerned about a partially blown voice coil but I don't know. The cabs are in good shape and I think you'd have to really abuse these top pop them.

 


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