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 NEW    Bruce Heran outlines the details and construction of his simple DIY 6DJ8 (ECC88) Tube Hi-Fi Headphone Amplifier Project.

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Nelson Pass Bride of Zen (BoZ) Preamplifier

This is my slant on Mr Pass’s Bride of Zen (BoZ). Big Ruskie 0.1uF 40y-9 PIO military caps handle front-end de-coupling while 10uF polypropylene caps sit at the back. The 40y-9 caps are foil, paper in oil, glass encapsulated then metal encapsulated and sound divine. An Alps blue velvet potentiometer attenuates the input controlled by a 4 oz solid brass knob. Metal film resistors and silver plated wire wrap wire add quality to the custom build. This preamp is built on a strip board. The JFETs are 2SK170 BL. The RCA plugs are gold plated, 5% WBT silver solder is used throughout. Two 10,000uF caps (snubbed) ensure a dead quiet supply and loads of bottom-end. The enclosure is a Hammond anodized Aluminum case.
Nice Mongrel Dog.

Nelson-Pass-B1-Buffer-Preamp-rear.jpg Nelson-Pass-Bride-of-Zen-BoZ-Preamp-Aluminium-Case.jpg Nelson-Pass-Bride-of-Zen-BoZ-Preamplifier.jpg P37aFinishedS.jpg DSCF0800-C.JPG
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Filename:Nelson-Pass-Bride-of-Zen-BoZ-Preamplifier.jpg
Album name:Solid State Audio Projects
Filesize:106 KiB
Date added:Nov 24, 2010
Dimensions:1052 x 787 pixels
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