Octave RF Filters
An Efficient Lowpass Filter in Octave - Paul Lovell
DAYTON AUDIO 3.5K-LPF-4 Speaker Low Pass Filter 3500Hz 12dB/Octave 4 Ohm - Audiophonics
AAS Multiphonics CV-1 Manual
Electronic applications: 2.5 Normalised first-order low-pass filters - OpenLearn - Open University
Function Reference: butter
Low-Pass Filter - Audacity Manual
Second Order Filters | Second Order Low Pass Filter
Broughton Audio Low + High Pass Filter images, videos, reviews, and more | RigShare
Of Responses & Resonance
Analog filters
audio - Slope of 2nd order low pass vs band pass Butterworth filters - Signal Processing Stack Exchange
Wavefonix 3320 Low-Pass Filter (LPF) Classic Edition - Eurorack Module on ModularGrid
Low-pass filter - Wikipedia
Third Order Passive Crossovers, 18 dB per Octave
KenSeibert.Com Audio Projects
How Passive Low Pass Filters Works
Low-pass filter 6dB per octave
Doepfer A-120 Eurorack 24dB Low Pass Filter Module
How to enhance Audio Quality using High/Low Pass Filters in Audacity
DAYTON AUDIO 3.5K-LPF-8 Speaker Low Pass Filter 3500Hz 12dB/Octave 8 Ohm - Audiophonics
Project 123
Third Order Passive Crossovers, 18 dB per Octave
