Musical Fidelity has officially announced the B1xi, the first product in its newly revived B-Series lineup. It’s set to ...

Ortofon’s 2M Series might be its cash cow—beloved by vinyl-curious audiophiles and “MM forever” folks—but the now-retired Quintet Series of moving coil cartridges were hardly slackers. Affordable by ...

This letter reports a radio frequency (RF) amplifier based on the four-zone MOSFET integrated with health monitoring sensors. The characteristic of the MOSFET is that it has four zones and each zone ...