Best alternative to a King Drone Synth : r/synthesizers
Minimal Drone - Etsy
Minimal Drone from Handmade Electronic Instruments on Tindie
Minimal Drone - Etsy
Minimal Drone Synth Synthesizer, by Rucci | Reverb
Krischer M8, Analog 8 Oscillator Drone Synthesizer Made For Minimalists
Maximum Minimal Drone - YouTube
Rucci Maximal Drone Synth | Reverb
Armagedrone Analog Drone Synth - YouTube
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
RF's DIY Modular Synth Pages
Baby8 sequencer + Minimal Drone Synth through Behringer's reverb and delay pedals - YouTube