Speakers contain a long wound loop of wire called a voice coil. A voice coil is a coil of wire that, when placed inside a magnetic field, makes the speaker move and produce sound when driven by an amplifier. The resistance value comes from a long coil of wire inside each speaker called a voice coil. The difference is how they behave when music is present when they’re connected to a musical amplifier of some sort. Speakers, much like other electromechanical devices, all have an electrical resistance to the flow of electrical current, much like a standard resistor, a light bulb, or many common items you’re familiar with. What is speaker impedance? (the “Ohms” rating) Speaker basics and speaker wiring explained 1. How to read speaker positive and negative labels (+ and -)Ĭlick on the image to enlarge it or click here for the Adobe.Doubling the number of speakers or amount of power does not double the volume Stereo and amplifier minimum impedance ratings ![]() Speaker basics and speaker wiring explained.
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