The new Fezz Audio Equinox Vacuum Tube DAC ($2,995 ... Fezz/Toroidy engineers designed a dedicated, supreme-class toroidal power transformer for use as Equinox’s power supply. The Equinox provides 2 ...

with in this case a toroidal mains transformer and good quality capacitors being chosen. The choice between a linear power supply such as this one and a switching design for high quality audio is ...

Anyone who has ever wound a toroidal coil by hand can tell you that it’s not exactly a fun job. Even with the kinds of coils used in chokes and transformers for ham radio, which generally have ...