Previously Featured Builds

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Oervad Jensen

Oervad Jensen

Dear all, I have been building the Pass ZenV9 with great results. I made the ZenV1 and ZenV4 before and… More...
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Mark Lamb

Mark Lamb

I have built two Nelson Pass designs, Balanced Bride of Zen preamp and two Zen Power Amps, and am very… More...

Amp Camp Project — Pass DIY / 2016

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B1 Buffer Preamp — Nelson Pass / 2008

Side A So here we are in the New Millennium, and thanks to Tom Holman and THX we’ve got lots of gain in our electronics. More gain than some of us need or want. At least 10 db more. Think of it this way: If you are running your volume control down around 9 o’clock, you are actually throwing away signal level so that a subsequent gain stage can make it back up. Routinely DIYers opt to make themselves a “passive preamp” - just an input selector and a volume control. What could be better? Hardly any noise or distortion… More...

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