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12AU7-6CG7 Headphone amplifier

12AU7-6CG7 Headphone amplifier

This is my DIY build headset class-A tube amplifier that uses an OTL (Output Tra…

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HERMS Beer Brewing Installation

HERMS Beer Brewing Installation

HERMS stands for Heat Exchanged Recirculating Mash System.

The biggest project to…

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Philips B6X12A valve radio

Philips B6X12A valve radio

This is my postwar Philips B6X12A valve radio from 1962. The amplifier is design…

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Seeburg M100A

Seeburg M100A

The Seeburg M100A was the first in it's kind that allowed you to insert and play…

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Teddy Asimov Robot

Teddy Asimov Robot

This was a graduation project during my college years. We've chosen to build a r…

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