A-101-1 Vactrol Filter
Mutant Vactrol VCF Filter - Perfect Circuit
Controlling voltage out of Arduino (to replace vactrol) - Project Guidance - Arduino Forum
L-1 Mutant Cure VCF Vactrol Filter - Perfect Circuit
VACTROL!! - Jitter Forum | Cycling '74
L-1 Mutant Vactrol Filter - Eurorack Module on ModularGrid
Erica Synths Fusion VCF3 Low Pass Tube and Vactrol-based Filter Eurorack Module | Sweetwater
Vactrols are magic! - DIY STUFF - Look Mum No Computer Thingies
Simple vactrol circuits? - MOD WIGGLER
Doepfer A-101-1 Vactrol Filter made in Germany - synthesizer-new-zealand
LPG - Low Pass Gate
DIY SYNTH VCF Part 3: Resonant High-Pass & Vactrol-Based Voltage Control - YouTube
Mutant Filter
Multimode Vactrol Filter & VCA with a wide sonic range + Pinging - Teia OptoCore - YouTube
VCF-1 – Vactrols – Skull & Circuits
electro-music.com :: View topic - Basic Vactrol Circuit Examples
Vactrol VCA // Mystic Circuits
VCF-1 – vactrol filter – PCB & Panel – Skull & Circuits
Vactrols are magic! - DIY STUFF - Look Mum No Computer Thingies
A-101-2 Vactrol Low Pass Gate - Midwest Modular
A-101-1 Vactrol Filter
Charlie's VCF page
VCF-1 – vactrol filter – DIY kit – Skull & Circuits
How to vactrol – Analog Output
Doepfer A-101-1 Vactrol Steiner Filter - Perfect Circuit
Doepfer A-101-1 Vactrol Filter For Sale By US Modular System Dealer – Tone Tweakers Inc.
Rad Fi System – Analog guide | Bleep Labs
Doepfer A-101-2 Vactrol Low Pass Gate Filter EURORACK - NEW - PERFECT CIRCUIT | eBay
