Electronics with passion: amplifiers and power supplies, FET's and vacuum tubes..

Month: September 2012

OpAmp + MOSFET = a decent headphone amplifier

Headphone amplifier and Sennheiser HD-580[Читать на русском]

Flood in the Internet

These days search engines throw tons of schematics of "Class A headphone amplifiers" on us. There we can find anything: from monsters capable of driving big loudspeakers to humble OpAmps heavily loaded by 30 Ohms without any hope for help. The big wave of so-called hybrid headphone amps is scary: