Previously Featured Builds

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Freudenthaler Martin

Freudenthaler Martin

Dear Pass Labs! In the year 2003 I built a Balanced Zen Line Stage for a friend. He carved out… More...
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ILIAS KAMOUZIS

ILIAS KAMOUZIS

Hi to everybody! And of course greetings to Mr. Pass who has inspired so many people in making their own… More...

Amp Camp Project — Pass DIY / 2016

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Burning Amplifier # 2 — Nelson Pass / 2009

In Burning Amp 1 we examined an amplifier circuit designed to complement the hardware we gave away to some attendees at last October's Burning Amp Festival in the San Francisco bay area. This first design centered on a power output stage having of four banks of parallel N channel Mosfets. It was a single-ended Class A amplifier which delivered high quality sound with only local feedback. Burning Amp 2 will use virtually the same front end and power supply but coupled to complementary banks of N and P channel power Mosfets used as followers in a push-pull Class A configuration.… More...

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