Obsolete diy audiophile boards
Colpitts-Clapp oscillator – Master clock for digital audio
Emitter coupled oscillator – Master clock for digital audio
Pierce CMOS oscillator – Master clock for digital audio
Emitter coupled combo oscillators – Master clock for digital audio
Oven for Emitter coupled oscillator with SC-Cut crystal
Dual in line adapter for oscillators
Oscillators power supply, clock switch and dividers
Push-pull low noise regulator
Sine to Square converter – Master clock wave converter for digital audio
Pierce picogate oscillator – Master clock for digital audio
Solid state line buffer
AD5791 dual mono sign magnitude digital to analog converter
Soekris DAM1021 upgrade