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Pass BA-3 preamp

DIY - www.hifivision.com
Folks,

Recently completed building a Pass BA-3 front end preamp. This is a part of the Burning Amp series of designs from Nelson Pass and people found this front end to be a terrific preamp. This has no feedback and can be adjusted to a mix 2nd order or 3rd harmonic content to sound warm or otherwise.

Sounds amazing when I coupled it with Pass F6. Is better couple of notches than a B1.

This preamp has loads of gain and also strong current drive capabilities, unlike the B1 which is a unity gain buffer.

The PCB is available at online store of diyaudio.com

Schematic and build guide are on diyaudio.com

Attached is the picture of the populated PCB along with a dual rail power supply board. I have removed the B1 from it's chassis and replaced with BA3.

I will highly recommend this build to you guys.

Cheers.
Date: Oct 14, 2015   


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