Record Styli and Types

[Craig Maier]

Record Styli Sizes and Types - - - - Edison 80-RPM Diamond Discs: 3.7 mil spherical or non-truncated conical stylus. [*]Wide Groove Acoustical 78 RPM Lateral Discs: 3.8 mil truncated elliptical stylus.[*]Edison White Wax, Brown Wax, Concert, and Gold Molded: 7.4 mil Spherical stylus.[*]Edison Blue Amberol Cylinders: 3.7 to 4.2 mil non-truncated spherical stylus.[*]Edison Wax Amberol Cylinders: 4.2 mil spherical stylus.[*]Pre-1935 Lateral Cut Electrical 78s: 3.3 mil truncated elliptical stylus.[*]Transcription Recordings: 2.3 mil truncated elliptical stylus.[*]Late 1930s Lateral 78 RPM Discs: 2.8 mil truncated elliptical stylus.[*]Narrow Groove 78s such as Polydor: 2.4 mil truncated elliptical stylus.[*]Standard Groove 78 RPM Discs: 3.0 mil truncated elliptical stylus.[*]Modern LPs: 0.7 mil elliptical stylus.[*]Early LPs: 1.5 mil truncated elliptical stylus. [*]1931 to 1935 RCA Pre-Grooved Home Recordings: 5.0 mil spherical stylus (preferably truncated type).