Super Simple DIY Resonant Low Pass Filter Circuit - YouTube
Resonant Filters | Filters | Electronics Textbook
Simple 12 db low pass filter. This filter use 2 BC547 NPN transistor and a stereo 100k pot for the cutoff, instead of the pot. it… | Filters, Pass, Transistors
DIY SYNTH VCF Part 2: Active Filters & Resonance - YouTube
Super Filter HPF/LPF Colour – DIY Recording Equipment