01A Vacuum Tube
Description
Restoring A 1920'S Atwater Kent Model 30 Radio. Don'T Want To Use Tubes And High Voltage, So Replacing The Electronics With Low Voltage Fet Circuitry. But...Hidden Inside 3D Printed Tubes. The Top "Glass" Portion Is Printed With Clear Abs And Has Bumps That Lock It Into Grooves In The Base. Base Is Plain Black Abs. Trick To Hull Sphere And Cylinder To Make Shape Of Tube Top From Here: Https://Cubehero.Com/2013/11/19/Know-Only-10-Things-To-Be-Dangerous-In-Openscad/ Will Eventually Build Small Fet Circuits Into The Base With Light And Gain Controlled By The Filament Voltage. Inspired By This: Http://Www.Antiqueradios.Com/Forums/Viewtopic.Php?F=19&T=81553&Hilit=01A
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