Low Pass High Pass filter | High pass, Electronic schematics, Diy guitar pedal
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! :
Dreadbox Lamda 4-Pole Low Pass Filter Pedal | Cream City Music
Pour Over Envelope Filter | Effects Pedals
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
RC Low Pass Filter Box (Adjustable) - Ec-Projects - YouTube
DOD DOD Envelope Filter 440, Band Pass Filter Pedal - Rock 'n Roll Store
Death by Audio Evil Filter - Fuzz Filter – Thomann Norway
Other/unknown Glou-Glou Pralines - Pedal on ModularGrid
Multi Active Band-Pass Filter Equalizer (Guitar Pedal) | diyAudio
Digitech DOD Envelope Filter 440 Band Pass Filter Pedal
Pigtronix Introduces the Resotron Analog Filter Pedal – No Treble
EBS BassIQ Blue Label Triple Envelope Filter Pedal | Sweetwater
Bruel and Kjaer Model 1613 Bandpass Filters | Reverb
Glou-Glou releases the Pralines fuzz/filter
Digitech DOD Envelope Filter 440 Band Pass Filter Pedal
BandPassFilter - MOD Audio
EH Micro Q Tron Envelope Filte – Motor City Guitar
operational amplifier - Band-pass op-amp structure with parallel diodes in feedback? - Electrical Engineering Stack Exchange
Broughton Audio High Pass + Low Pass Filter pedal | Reverb
RE/Q - DUAL FUNCTION EQUALIZATION PEDAL - Genzler Amplification
Passive Band Pass Filter 0HP - Herzlich Ligatura - BPF module for modu – Herzlich Labs
The Most Underrated Guitar Effect?! - YouTube
