Löfgren (Baerwald) or Stevenson alignment gauge.
Phaedrus Audio are joining Pspatial Audio to collaborate in international marketing and sales of the Stereo Lab software family.
Originally a stereo-enhancement program, Stereo Lab has developed over several years and, now with the addition of equalisation and noise-reduction for all shellac-era records, Quadraphonic decoding, 5.1 up-conversion and full implemention of loudness measurement and adjustment to ITU BS.1770-3, the software has value to mastering, broadcast and recording sound engineers as well as sound-archivists working with media which might range from phonograph cylinders, to analogue-cassette tape, to high-resolution digital files.
Now Pspatial Audio have published an e-book The Needle-Drop Handbook, a complete guide to the history, theory and technology of getting the best from phonograph records for archivsts, collectors and vinylistas.
Phædrus Audio have augmented the basic PHLUX-II active phono cartridge with a range of advanced stylus shapes including: a nude, elliptical stylus: a nude, line-contact stylus and a nude, square-shank, Shibata.
This range is complemented with two conical stylus profiles: 75µm bonded round-shank, model for shellac records and 15µm type for mono LPs.
Phædrus Audio Groove Sleuth Adaptor preamplifiers convert the XLR socket microphone inputs on commercial computer sound cards to non-equalised phono cartridge inputs.
Phædrus Audio Groove Sleuth Adaptors ensure the phono cartridge and the microphone inputs are presented with the appropriate signal levels and impedances. The 48V phantom-power powers the miniature Groove Sleuth Adaptor preamplifiers.
Versions exist for converting moving-magnet and moving-coil cartridges to a standard microphone input and for converting Phædrus Audio PHLUX active phono cartridges to a standard microphone input.
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