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Gary P Smith

Gary P Smith

I’m sure you have heard this until you are blue in the face, but my mother taught me to say… More...
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Coffin

Coffin

I've finished my PEARL phono stage. It is a lovely thing, very quiet and tranquil. I modified the circuit to… More...

Amp Camp Project — Pass DIY / 2016

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Bride of Zen — Nelson Pass / 1994

This is the second installment of a trilogy of construction projects centered around the performance obtainable from absolutely minimalist circuitry. Part one described the Zen amplifier, a 10 watt single-ended class A power amplifier using a single MOSFET gain stage. In this piece we will examine its preamplifying mate, also a single gain stage MOSFET circuit. A lot of what I might say about this design has already been expressed in the Zen amplifier piece, and will not be repeated here. It is enough to say that I continue to be very intrigued by the sound of very simple topologies,… More...

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