Simple, Easy Parametric and Graphic EQ's, Plus Peaks and Notches
Passive 3 band EQ
Simple 3-Band EQ schematic?
Proto Pedal Example: Analog Equalizer Project - SparkFun Learn
20 Band Graphic Equalizer - Circuit Scheme
Proto Pedal Example: Analog Equalizer Project - SparkFun Learn
3 Band Audio Equalizer Circuit
Simple, Easy Parametric and Graphic EQ's, Plus Peaks and Notches
Guitar Pedal X - GPX Blog - A Brief Hobbyist Primer on Key Tone Stack Types and Circuit EQ Configurations - in collaboration with Master-Builder Adrian 'Thorpy' Thorpe
5-band EQ with gain - SabroTone
Simulating the Boss GE-7 Graphic Equalizer in LTSpice
Parametric Equalizer Schematic - 3 Band Parametric Eq Schematic Transparent PNG - 801x456 - Free Download on NicePNG
Parametric Audio Equalizer
Rock Bottom EQ
BEHRINGER BEQ700 Bass Equalizer rev B Schematics – Electronic Service Manuals
MXR Equalizer Schematics - freestompboxes.org | Time quotes, Equalizer, Times quotes
Experimentalists Anonymous DIY Archives
Guitar Pedal X - GPX Blog - A Brief Hobbyist Primer on Key Tone Stack Types and Circuit EQ Configurations - in collaboration with Master-Builder Adrian 'Thorpy' Thorpe
Boss GE-7 Equalizer guitar pedal schematic diagram