Previously Featured Builds

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Holger Trass

Holger Trass

Nelson, Wayne, all at PASS DIY - thanks thanks thanks for a great phono stage. I live in Germany, and… More...
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Dave Smith

Dave Smith

From a constructional perspective, the overwhelming challenge / cost in building a Son of Zen lies in providing that much… More...

Current Source Amplifiers and Sensitive Full Range Drivers — Nelson Pass / 2004

Conventional wisdom holds that a pure voltage source amplifier is ideal for audio applications, and generally designers of loudspeakers work to that assumption. This belief has particularly been dominant since the development of high power solid-state amplifiers that began in the 1960’s. A small minority of audiophiles thinks otherwise, and these are often people using low wattage tube amplifiers with unusual looking speakers. Well, of course entertainment is full of fringe elements. A couple of years ago, Kent English and I were playing around with various ribbon tweeters, noting how the ribbons themselves seemed perfectly happy being driven by a… More...

Miscellaneous Projects — Webmaster / 2013

Here are some great project-submissions folks wanted to show-off.  They don't directly correspond with a single PassDIY project, but we still fealt like they should have a home.  Great work everyone!  More...

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