Previously Featured Builds

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Pete

Pete

This is a wonderful little pre-amp!! Note the low load impedance seen by the Bride (500 ohm appox) due to… More...
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Chris Seymour

Chris Seymour

Just thought I'd pass on some pictures of the Zen series I've constructed over the last 18 months. Three different… More...

Amp Camp Project — Pass DIY / 2016

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Zen Variations 2 — Nelson Pass / 2002

Welcome back to the Zen Amp Variations. This is part 2 of many parts in which we explore some of the ways to make a very simple audio amplifier. In this and parts 3 and 4 we will embellish upon the original Zen amplifier circuit, improving the performance and creating the Penultimate Zen Amp. You may recall that the Zen Amp is a single MOSFET transistor operated in what is known as Common Source mode in which the input signal is fed to the Gate pin, the Source pin is grounded, and we take the output signal off the Drain.… More...

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