I made a vacuum tube theremin a couple of years ago, and it really surpassed my expectations! : r/electronics
RCATheremin.com | Sound, Tone, and Tubes
Channel Road Amplification: Vacuum Tube Theremin
Elektor on X: "Project: A "Tube-Theremin"! Check it out. The designer transferred the #Theremin circuit with JFETs (published in Elektor magazine in the March/April 2017) to the "original" circuit with vacuum tubes. (
Audio Synthesis via Vacuum Tubes
The 125 Vacuum Tube Pitch Theremin under Repository-circuits -53608- : Next.gr