Drone Synth - Layout and schematic update over the hand drawn one from earlier, based on LMNC oscillator w/filter. Curios what other ideas to add to this, I have seen capacitor switching
Synth schematic collection - Make:
IV(Y) drone synth schematic: u_MichaelScruggs
electro-music.com :: View topic - Drone synth with analog switch , part 2
Here's a synth circuit from Paul in the Lab (schematic and sound samples can be found over there). I've laid it out for board mounted pot… | Triangle, Synth, Drone
Schematic for 40106 Dual Drone with LDR and LPF : r/synthdiy
drone Archives - Sam Vs. Sound
Gated NAND Drone Synth | Synth, Diy drone, Drone
Analog Electronics Final Project: Drone Synthesizer – Carter's Electronics Lab
Paul In The Lab: Drone Synth Fragments Stripboard Layouts | Synth, Drone, Layout
simple DIY 555 synth - Make:
555 Based Drone Synthesizer With LFOs - Sam Vs. Sound
Eddy Bergman.com: Synthesizer Build part-41: METALIZER by YuSyth.
Schematic for 40106 Dual Drone with LDR and LPF : r/synthdiy
Echo Schematic | Synthrotek
electro-music.com :: View topic - first mini drone synth
Reverse avalanche oscillators need amplification - MOD WIGGLER