Previously Featured Builds

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Scott Gregory

Scott Gregory

After a failure of my CJ preamp, I was in the mindset to build a good sounding Solid State preamp.… More...
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user23

user23

I have just completed two Amplifier amplifiers. One is an Amplifier 5 that I built for my brother to use… 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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