Previously Featured Builds

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scott

scott

This is my first diy attempt at a high performance piece of audio equipment. it took approximately 6 months to… More...
build

Seungyun Lee

Seungyun Lee

In this project, we designed and developed the some PCB for input selection by using relay device. This board supports… More...

Zen Variations 3 — Nelson Pass / 2002

In Part 2 we developed a new active current source for the Zen amplifier. In this part, we create a power supply regulator suitable for the Zen amplifier projects. Previous versions of the Zen amplifiers had no power supply regulation at all, or used capacitor/inductor/capacitor "pi" filters to smooth the ripple on the DC supply lines. In keeping with our philosophy of simple-aspossible, we want to develop a supply regulation system which gives us good regulation, with low AC noise and a stable DC value. The need for a good regulator is obvious enough. As simple as they are, the… More...

Amp Camp Project — Pass DIY / 2016

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