Broughton Audio High Pass + Low Pass Filter pedal | Reverb
Multi Active Band-Pass Filter Equalizer (Guitar Pedal) | diyAudio
Sound design secrets: passive bandpass filters - YouTube
Pigtronix Introduces the Resotron Analog Filter Pedal – No Treble
operational amplifier - Band-pass op-amp structure with parallel diodes in feedback? - Electrical Engineering Stack Exchange
Band Pass Resonant Filter and Amplifier Module for DIY Synthesizer : 4 Steps - Instructables
Guitar Pedal X - GPX Blog - Preferred Filter Pedal Selection - at the key practical enclosure sizes
Death by Audio Evil Filter - Fuzz Filter – Thomann Norway
Death By Audio Evil Filter Hyper Resonant Multi Mode Filter/Fuzz Pedal Black | Guitar Center
Digitech DOD Envelope Filter 440 Band Pass Filter Pedal
VCV Library - Oxidlab Entferner B - Band-Pass Filter
Genzler re/Q Dual Function EQ Pedal | Bass Buddha
BandPassFilter - MOD Audio
Digitech DOD Envelope Filter 440 Band Pass Filter Pedal
Amazon.com: Spaceman Artemis Modulated Filter Guitar Effects Pedal with 7-mode modulation, High, Band and Low-pass Output, Frequency, Resonance Controls, and TRUE BYPASS Switch - Standard Edition : Electronics
The Most Underrated Guitar Effect?! - YouTube
EH Micro Q Tron Envelope Filte – Motor City Guitar
Other/unknown Glou-Glou Pralines - Pedal on ModularGrid
I've wanted a passive octave bandpass filter like the Brüel & Kjær 1613 for a while, but found it difficult to source - so I designed and built my own in 10hp! :
Low + High Pass Filter | Broughton Audio
RC Low Pass Filter Box (Adjustable) - Ec-Projects - YouTube
Artemis - Modulated Filter - Spaceman Effects
H24 - high-pass filter (24dB/octave)
RF Venue Band-Pass Filter - Sound Productions
