Descriptors | Dimensions, Record-players, Graphic representation, Interchangeability, Centre of gravity, Colour codes, Rotation velocity, Power measurement (electric), Sensitivity, Recording characteristics, Tolerances (measurement), Performance, Phonograph records, Compatibility, Audio equipment, Magnetic reproducers, Recording media, Diameter, Audio systems, Rotational motion, Sound reproduction, Velocity measurement, Frequency response, Test specimens, Signal-to-noise ratio, Signal level, Stereophonic recording, Time measurement, Ratings, Marking, Analogue recording methods, Frequency modulation, Recording equipment, Analogue signals, Sound recording, Recording systems, Recording equipment components, Grooves, Testing conditions, Gramophone pick-ups, Performance testing |