H24 - high-pass filter (24dB/octave)
RC Low Pass Filter Box (Adjustable) - Ec-Projects - YouTube
Digitech DOD Envelope Filter 440 Band Pass Filter Pedal
Multi Active Band-Pass Filter Equalizer (Guitar Pedal) | diyAudio
operational amplifier - Band-pass op-amp structure with parallel diodes in feedback? - Electrical Engineering Stack Exchange
Digitech DOD Envelope Filter 440 Band Pass Filter Pedal
Sound design secrets: passive bandpass filters - YouTube
Low + High Pass Filter | Broughton Audio
Death By Audio Evil Filter Hyper Resonant Multi Mode Filter/Fuzz Pedal Black | Guitar Center
Guitar Pedal X - GPX Blog - Preferred Filter Pedal Selection - at the key practical enclosure sizes
Amazon.com: Fender Pour Over Envelope Filter Pedal : Musical Instruments
RE/Q - DUAL FUNCTION EQUALIZATION PEDAL - Genzler Amplification
VCV Library - Oxidlab Entferner B - Band-Pass Filter
The Most Underrated Guitar Effect?! - YouTube
Broughton Audio High Pass + Low Pass Filter pedal | Reverb
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
Artemis - Modulated Filter - Spaceman Effects
DOD DOD Envelope Filter 440, Band Pass Filter Pedal - Rock 'n Roll Store
RF Venue Band-Pass Filter - Sound Productions
FG3 | Effectivy Wonder Pedals
Passive Band Pass Filter 0HP - Herzlich Ligatura - BPF module for modu – Herzlich Labs
Other/unknown Glou-Glou Pralines - Pedal on ModularGrid
Band Pass Resonant Filter and Amplifier Module for DIY Synthesizer : 4 Steps - Instructables
Band-Pass Filter | The Pedal Zone
EBS BassIQ Blue Label Triple Envelope Filter Pedal | Sweetwater
Bruel and Kjaer Model 1613 Bandpass Filters | Reverb
