The spelling of "turntable stroboscope" can seem overwhelming at first glance, but breaking down the word and using IPA phonetic transcription can make it easier to understand. "Turntable" is pronounced /ˈtɜːn.teɪ.bl̩/, with emphasis on the first syllable and a silent "e" at the end. "Stroboscope" is pronounced /ˈstrəʊ.bə.skəʊp/ with emphasis on the second syllable and a "sk" sound at the end. Together, "turntable stroboscope" refers to a device used to measure the rotational speed of a turntable, using a flashing light to create a visual illusion of stationary motion.
A turntable stroboscope refers to a specialized device used in conjunction with a turntable to accurately calibrate its rotational speed. Also known as a turntable stroboscopic disc or simply a stroboscope, this apparatus consists of a circular disc typically made of transparent material, which is placed on the spindle of a turntable.
The disc features a series of evenly spaced markings or patterns in concentric circles, with the outermost circle containing the maximum number of markings and the inner circles having progressively fewer markings. These markings are designed to exploit the phenomenon of stroboscopic effect, wherein they appear to stand still or move slowly under specific lighting conditions.
To use the turntable stroboscope, a light source such as an LED or a fluorescent lamp is directed towards the disc while the turntable is in operation. By adjusting the rotational speed of the turntable until the markings on the disc align with the stationary markings on the rim, the user can ascertain the precise speed of the turntable. This method offers a visual and convenient means of measuring and adjusting the rotational speed of turntables in units like revolutions per minute (RPM).
Turntable stroboscopes are widely employed by DJs, audio enthusiasts, and professionals involved in audio recording or playback. They are essential tools for ensuring the accurate playback speed of vinyl records and allow users to finely tune the turntable to achieve optimal audio quality.
The word "turntable" comes from the combination of "turn" and "table". "Turn" refers to the circular or rotational movement, while "table" refers to a flat surface. "Turntable" originally referred to a rotating platform or surface, often used for display purposes or to rotate heavy objects.
The term "stroboscope" comes from the combination of "strobo-" and "-scope". "Strobo-" is derived from the Greek word "strobos", meaning "whirling" or "twisting", and "-scope" comes from the Greek word "skopein", meaning "to watch" or "to see". A stroboscope is an instrument that uses a rapidly flashing light to make moving objects appear stationary or move in slow motion.