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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: RE: What is the interaction of the loudspeaker and amplifier? posted by George S. Roland on August 18, 2020 at 12:58:31:
George, Maybe try thinking of it as an electric motor. The windings (voice coil) are surrounded by a large magnet.
Your amplifier supplies voltage to the voice coil via your speaker wire. (Keep in mind the electrically charged voice coil will behave like a magnet. Like the ones you probably made in school by wrapping wire around a nail, hooking it up to a battery and creating a magnet.)
So let's say the positive side of the speaker wire goes to the beginning of the coil, then out the other end of the coil as negative, along speaker wire back to your amp.
All the different frequencies change the voltage/magnetic properties of the voice coil so it "repels" against the surrounding magnet in a piston like motion.
This piston motion of the speaker cone is what makes the sound waves.
So when you blow a speaker, you've actually over driven the piston motion beyond its limits or over heated it.
Hope this crude explanation helps?
Cheers!
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
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- RE: What is the interaction of the loudspeaker and amplifier? - Jonesy 18:42:38 08/18/20 (0)
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