The advantages of DMM (hard surface material) over acetate lacquer cutting (soft surface material) are both sonic and practical: because of the rigidity of the master disc medium, no groove wall bounce-back effects take place after the cutting has been completed. This preserves the original modulation details in the groove walls much better, especially those involved with sudden fast attacks (transients). The improved transient response, as well as the more linear phase response of … WebAny flat disc record, made between about 1898 and the late 1950s and playing at a speed around 78 revolutions per minute is called a "78" by collectors. The materials of which …

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WebNAME: Brake Drum/Disc Cutting Machine MODEL: T8440 To introduce: This equipment is a kind of lathe. It can fulfill the reparation of the brake drum, disc and shoe of quto-mobiles from mini-car to... RPM: 85.0 rpm. … WebApr 8, 2024 · Lathes are predominantly utilized for machining shafts, discs, sleeves, and other workpieces with rotating surfaces. They are the most commonly used type of … reservation conference

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WebA disc cutting lathe is a device used to transfer an audio signal to the modulated spiral groove of a blank coated master disc for the production of phonograph records. Disc … WebMay 25, 2024 · An advantage to the lathe cutting method is that unlike the conventional process, no lacquer is needed –which removes a significant cost. Lacquer is the mold that is created to press into vinyl, whereas the lathe cuts the audio directly into the record. It’s got the groove – but what about the sound? A disc cutting lathe is a device used to transfer an audio signal to the modulated spiral groove of a blank master disc for the production of phonograph records. Disc cutting lathes were also used to produce broadcast transcription discs and for direct-to-disc recording. See more Disc cutting lathes utilize an audio signal, sent through a cutting amplifier to the cutter head, which controls the cutting stylus. The cutting stylus engraves a modulated spiral groove corresponding to the audio signal into the See more • Audio Record Magazine: Quick Facts On Disc Recorders (October 1952) See more Prior to the success of Western Electric's "Westrex" system, master discs were produced acoustically and without electricity. In 1921, John J. Scully, a former See more prostate growth meaning