Audio transformers improve sound quality by removing interference from audio signals. This interference, or ground noise, is caused by voltages from other devices and produces a humming or buzzing ...

FiiO’s EA13 packs EL34 tubes, pure Class A power and custom output transformers for under $800. How did FiiO make it this affordable? FiiO has spent years convincing headphone listeners that ...

Solid-state transformers (SSTs) represent a paradigm shift in electrical power conversion, integrating high-frequency power electronics, control circuitry and galvanic isolation to replace or augment ...

Power transformers are often the main source of common-mode noise in isolated switching power converters. Why? Because inside the transformer, the windings on the primary and secondary sides of the ...