Previously Featured Builds

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user99

user99

A BIG thanks. To Nelson Pass for being so generous in an age obsessed with knowledge hoarding. To Peter Daniel… More...
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Rune Braendaas

Rune Braendaas

I build the amplifiers like an "open" construction, to loose as much heat as possible, without using any noisy fans.… More...

DIY Op Amps — Nelson Pass / 1998

Carl Sagan observed, "If you want to make an apple pie from scratch, you must first create the universe." If you want to build an audio circuit, you will make the decision as to how much you will actually build yourself, and how much you will buy fabricated. The line is always drawn somewhere. Will you be melting down some sand to make your transistors? Probably not, but it is always in the mind of the hobbyist to do as much as possible. Many of the project articles in AE and elsewhere employ commercially available integrated circuits, usually operational amplifiers.… More...

Amp Camp Project — Pass DIY / 2016

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