El Estudiante: a DIY tube headphone amp for beginnners

Low-voltage (48V), tube gain stage, MOSFET buffer stage, minimal parts, and modest cost. This is your first tube project. Prototype built.

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Weekly /r/diytubes No Dumb Questions Thread - June 24, 2022 to June 30, 2022
Help with an organ amplifier
Putting together a preamp. This one has separate HV filter buffers and ground runs for each channel.
This component is connected between the 2 positive terminals of a 50uF + 50uF 500v can capacitor wired in parallel. Am I right in assuming it’s a diode? If so what type of diode is it, and would anyone be willing to explain its purpose. (Sorry for the picture quality)
Weekly /r/diytubes No Dumb Questions Thread - June 17, 2022 to June 23, 2022

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