9V powered Korg MS-20 filter | DIY Music & ...
Old Part Day: Voltage Controlled Filters | Hackaday
DIY SYNTH VCF Part 2: Active Filters & Resonance - YouTube
Ken Stone's Modular Synthesizer
Modular synthesis intro, part 8: State-variable filters - North Coast Synthesis Ltd.
The Classic Sound of the Moog Ladder Filter | Universal Audio
Eddy Bergman.com: Synthesizer Build part-26: STEINER-PARKER VCF (Yusynth Design).
A Guide to Synth Filter Types: Ladders, Steiner-Parkers, | Reverb News
index-filtpvoks
Ken Stone's Modular Synthesizer
Synth schematics - WASP Filter
Eddy Bergman.com: Synthesizer Build part-7: THE MOOG LADDER FILTER.
Synth DIY: a White Noise generator (part 2 of 2) | synthnerd
STEINER VCF
electro-music.com :: View topic - Just another Transistor Ladder Filter
Further With Filters
Synth schematics--::-- SSM 2040 Filter
Kassutronics: KS-20 Filter
Synth schematics--::-- Filter
Synthesis Essentials: Know Your Filters : Ask.Audio
Voltage Controlled State Variable Filter Schematic
DIRT Filter Schematic | Synthrotek
Synth Schematics --::Vacuumtube Filter::--
Minimoog VCF clone
Analog Synthesizer Filter using one opamp | Elektor Magazine
roland_filter_versions
