Audio

NEW
APN 002 (Damping oscillator distortion) [pdf]
NEW

NEW
APN 001 (A blameless audio buffer (or headphone amplifier) design )
NEW

NEW
The AMP II
(bipolar)
NEW

The Preamp MKII

The UltiDAC

The Headamp

PLL1700

Little AMP (LAMP)

Mini DAC & Headamp

USB Soundcard

Measurement stuff:

Ultrapure Sine Oscillator

old Stuff:

The AMP
(HEXFET)

Preamp MKI