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It is possible you are conflating a few different things: a specific loudspeaker model (e.g., the Reynaud Magic standmount speakers), a CD player from another brand (e.g., Magic CD by a different manufacturer), or a digital audio release (FLAC 2021) of a recording associated with Jean-Marie Reynaud for demonstration purposes.
The transition from physical media (Compact Disc) to lossless file-based formats (FLAC) has sparked ongoing debate about audible differences under optimal playback conditions. While theoretical analyses show FLAC can bit-perfectly replicate CD audio (16-bit/44.1 kHz), practical listening tests often suffer from uncontrolled variables such as transducer nonlinearities, DAC implementations, and listener bias. Jean-marie Reynaud Magic Cd Flac 2021