Hafler claims that MOSFETs have several advantages over bipolar transistors: better thermal stability, faster switching speed, lower output impedance and better linearity.
hafler monitor
From Stereophile December 2002: Musical Fidelity uses bipolars because "they have a higher current yield than mosfets".
hafler monitor
From Stereophile December 2002: Musical Fidelity uses bipolars because "they have a higher current yield than mosfets".