Previously Featured Builds

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Arek Kallas

Arek Kallas

Here is my first solid state DIY project - 2 A5. In the power supply for each channel I used… More...
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Kiril Kirilov

Kiril Kirilov

Recently I've finished my version of integrated Zen V4 and BOZ in a common enclosure. Some of my best friends… More...

Amp Camp Project — Pass DIY / 2016

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Pearl 2 — Wayne Colburn / 2010

Here is the long awaited sequel to the Pearl phono stage, named after my maternal Grandmother who was good with a sling shot , played piano and organ and occasionally listened to my early Hi-fi efforts if the smoke wasn't too bad. Pearl II addresses the major request received over the years - more gain for moving coil cartridges. Phono stage design is difficult to do well. Everything matters. Any low level phenomenon occurring in the parts of a phono stage shows up greatly amplified at the loudspeaker. This phono stage has about 55 dB gain at 1 Khz, and… More...

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