Previously Featured Builds

build

Andrea Pirovano

Andrea Pirovano

Hello Pass crew, these are some photos of my DIY A30. My personal interpretation of Nelson's design uses off-the shelf… More...
build

Günter Vogl

Günter Vogl

hello, I am writing to you from the south of Germany ( not too far away from Munich). Now I… 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

More...

Copyright © 2016 Pass Laboratories, Inc. All rights reserved

Telephone: 530.878.5350