Mid-range speaker
Loudspeaker dedicated to medium frequencies (ca. 250 to 2000 Hz)
A mid-range speaker is a loudspeaker driver that reproduces sound in the frequency range from 200 to 2,000 Hz.
Mid-range drivers are usually cone types or, less commonly, dome types, or compression horn drivers. The radiating diaphragm of a cone mid-range unit is a truncated cone, with a voice coil attached at the neck, along with the spider portion of the suspension, and with the cone surround at the wide end. Cone mid-range drivers typically resemble small woofers. The most common material used for mid-range cones is paper, occasionally impregnated and/or surface-treated with polymers or resins in order to improve vibrational damping. Other mid-range cone materials include plastics such as polypropylene, Cobex, Bextrene, woven Kevlar, fiberglass, carbon fiber, or light metal alloys based on aluminium, magnesium, titanium, or other alloys. The radiating surface of a dome mid-range is typically a 90-degree section of a sphere, made from cloth, metal, or plastic film, with its suspension and voice coil co-located at the outer edge of the dome. Most professional concert mid-range drivers are compression drivers coupled to horns. A very few mid-ranges are electrostatic drivers, planar magnetic drivers, or ribbon drivers.
A mid-range driver is called upon to handle the most significant part of the audible sound spectrum, the region where the most fundamental frequencies are emitted by musical instruments, and, most importantly, the human voice.
The public source identifies “Mid-range speaker” as loudspeaker dedicated to medium frequencies (ca. 250 to 2000 Hz). This brief keeps that definition visible, then builds a research path around Mid-range, speaker and Loudspeaker.
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This entry incorporates text from “Mid-range speaker” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.