Brad and Gary became convinced the marriage of great recordings, using the original first-generation tape, adhering to half-speed mastering, and pressing on superior vinyl was the magic recipe that could take current popular LP titles to a new level of playback for the burgeoning high-end community — a group that shortly thereafter, following MFSL’s burst out of the gate, took “audiophile” from niche hobbyism to a worldwide movement.
~ https://www.goldminemag.com/collector-resources/mobile-fidelity-goal-is-to-capture-the-perfect-sound-on-vinyl