A massive class A headphone amplifier design. Lot's of tweak potential.
A multiple feedback headphone amplifier which can be altered to fit anyone. It was called in the beginning CMOY deluxe.
A patented current feedback headphone amplifier design. Used with permission. Mr Mark Alexander designed it long time ago.
QRV04 - The high performance SMD headphone amplifier with multiple feedback
A surface mounted class A biased headphone amplifier design. Main parts OPA627/OPA134/AD8610 plus BUF634.
QRV08 - A surface mounted current feedback headphone amplifier design which has super regulators and transformers
QRV08 A surface mounted current feedback headphone amplifier design (QRV06) which has super regulators and transformers. May be a headphone amp with the most advanced power supply units in the world right now.
A surface mounted current feedback headphone amplifier design. Main parts are ultra low distortion AD8610 and ultra high speed, ultra low distortion TPA6120.
Latest Added
3302039 Diamond buffer patentGateable bridge network having power gain. Patent filed by Richard. H. Baker 1964. The diamond...
AN-211 Mark Alexander current feedback amplifier application noteThe application note describes a patented design of a current feedback amplifier which uses an...
