moving-coil microphone

moving-coil microphone

[′müv·iŋ ¦kȯil ′mī·krə‚fōn]
(engineering acoustics)
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The introduction of the moving-coil microphone in 1923 made far more accurate sound reproduction possible, and Elgar made new recordings of most of his major orchestral works and excerpts from The Dream of Gerontius.