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The stylus is the part that, when in use, is the interface with the record surface and tracks the modulations in the groove. It is typically made of a small polished diamond or other industrial gemstone. The cantilever supports the stylus, and transmits the vibrations from it to the coil/magnet assembly. [2]
They were named Diamond Discs because the matching Edison Disc Phonograph was fitted with a permanent conical diamond stylus for playing them. Diamond Discs were incompatible with lateral-groove disc record players, e.g. the Victor Victrola, the disposable steel needles of which would damage them while extracting hardly any sound.
The Prestige Jazz double-album MONO series are 12-inch 16-rpm discs. They can be played with a normal mono or stereo stylus (0.7 to 1.0 mil) stylus without damage. [13] 24 rpm Talking books for the blind in Europe. During the same period, especially in the UK, producers manufactured this speed prior to the days when 16 rpm could provide ...
When Edison introduced his "Diamond Disc" (played with a diamond stylus instead of a steel needle) record in 1912, it was cut "hill-and-dale", meaning that the groove was modulated along its vertical axis, as it had been on all cylinders—unlike other manufacturers' discs, which were cut laterally, meaning that their grooves were of constant ...
Killick invented a stylus using a sapphire or diamond gemstone. Her stylus had better sound quality and did not damage the record because it would ride the sides of the record groove, not the bottom. She filed her patent application on 25 October 1945 and was granted a full Letters Patent, No. 603,606 on 18 June 1948.
A keel-shaped diamond stylus appeared as a byproduct of the invention of the CED Videodisc. This, together with laser-diamond-cutting technologies, made possible the "ridge" shaped stylus, such as the Namiki (1985) [77] design, and Fritz Gyger (1989) [78] design. This type of stylus is marketed as "MicroLine" (Audio technica), "Micro-Ridge ...