Vacuum Tube Symbol CAD Blocks | DWG Schematic Download

Download classic Tubes Schematic Symbol CAD Blocks in DWG format, ideal for vintage audio schematics, high-voltage circuits, and radio frequency (RF) electronics diagrams. This set includes symbols for triodes, tetrodes, pentodes, rectifier tubes, and cathode ray tubes (CRT)—all drawn to ANSI and IEC standards with labeled elements such as anode (plate), cathode, grid(s), and filament. Perfect for electronics engineers, vintage amplifier designers, and educators, these blocks preserve schematic clarity and heritage accuracy. Fully compatible with AutoCAD and major CAD software.

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