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This is my DIY build headset class-A tube amplifier that uses an OTL (Output Tra…
HERMS stands for Heat Exchanged Recirculating Mash System.The biggest project to…
This is my postwar Philips B6X12A valve radio from 1962. The amplifier is design…
The Seeburg M100A was the first in it's kind that allowed you to insert and play…
This was a graduation project during my college years. We've chosen to build a r…