Previously Featured Builds

build

Chris Cyrus

Chris Cyrus

Nelson, Here are some pictures and comments on the Zen version 4 I completed in October 2008. Having completed the… More...
build

Bernt Jansson

Brent Jansson

But the reason I write you is because in the evenings recently I have built a few of your projects… More...

Amp Camp Project — Pass DIY / 2016

More...

The Pass A-40 Power Amplifier — Nelson Pass / 2000

FLATTERED BY THE opportunity to publish a project circuit, the designer is often beset by seemingly contradictory considerations. On the one hand, it is tempting to design a complex circuit as a demonstration of technical prowess; an amplifier with large numbers of esoteric components performing obscure functions. Such an amplifier might be a smorgasbord of electronic technique, featuring class A operation, cascoding, constant current sources, current mirrors, and extra-loop error correction. It would be fascinating to build and perhaps would also sound good. On the other hand, complexity is not a good end in itself and a much simpler circuit… More...

Copyright © 2016 Pass Laboratories, Inc. All rights reserved

Telephone: 530.878.5350