Simple, Easy Parametric and Graphic EQ's, Plus Peaks and Notches
Proto Pedal Example: Analog Equalizer Project - SparkFun Learn
D.i.y eq pedal (video is up) | Reverb
Equalizers – DIY – TH custom effects
EQ Pedals and Guitar Tone - Premier Guitar
A DIY Custom Band EQ Pedal - DBE Rock Bottom - YouTube
Rock Bottom EQ
Shop — David Evans Audio
SAWZALL DIY HM2 EQ & OVERDRIVE PCB | Dead Air Shop
5 Unique Ways to Use an EQ Pedal
Geofex parametric EQ problems (new to layouts)
6-Band EQ - PedalPCB.com
5 Unique Ways to Use an EQ Pedal
Mr. EQ
5-band EQ with gain - SabroTone
Passive 3 band EQ
Building the Most Versatile DIY Distortion Pedal. (EQ Distortion Stack.) - YouTube
Boss GE-7B Bass Equalizer guitar pedal schematic diagram
Active Tilt Equalizer - PARASIT STUDIO
Compressor Guitar Pedal DIY Complete Kit – Guitar Pedal Parts
Proto Pedal Example: Analog Equalizer Project - SparkFun Learn
How to use an EQ Pedal and do you actually need one? - YouTube
10-band Graphic EQ KIT
Source Audio Programmable EQ Pedal Review - Premier Guitar
