15 pages matching mechanical resistance in this book
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acoustic spectrums Acoustical Engineering acoustical impedance acoustical reactance acoustical resistance actuated air column air stream amplifier amplitude aperture bass bassoon centimeters per second clarinet consists corresponding coupled CYCLES PER SECOND decibels depicted diaphragm directional characteristics directional pattern double bass dynes per square electrical electrical resistance electromotive force Elements of Acoustical energy equal temperament FREQUENCY IN CYCLES frequency range fundamental frequency harmonics horn inches intensity Jour keynotes length loudness loudspeaker mechanical resistance microphone minor scale mouth musical instruments musical scale noise Nostrand Company octaves Olson orchestra overtones particle velocity pedal percussion instruments Perspective view phonograph piano pitch produced quency ratio reactance recording reflected sound resonant frequency reverberation scale of equal schematic view SECOND Fig SECTIONAL VIEW semitone shown in Fig sound output sound pressure sound source sound wave sound-reproducing system soundboard speech square centimeter string studio timbre tone tube valve vibrating system violin voltage volume current wavelength