The Synthesizer Sympathizer: Building a sound: Filters
Simple 12 db low pass filter. This filter use 2 BC547 NPN transistor and a stereo 100k pot for the cutoff, instead of … | Filters, Synthesizer diy, Transistors
The Music Telegraph] Synthesizer: Filter (3)
Synth DIY: a White Noise generator (part 2 of 2) | synthnerd
Further With Filters
SouthPole Expedition Part 1: Low-pass Filter Basics | Blog | AudioMulch
Behringer | Product | 904A VOLTAGE CONTROLLED LOW PASS FILTER
The Classic Sound of the Moog Ladder Filter | Universal Audio
Synthesis Basics
Analog Synthesizer Filter using one opamp | Elektor Magazine
A Guide to Synth Filter Types: Ladders, Steiner-Parkers, | Reverb News