Pultec Style EQ in a pedal, why isn't this a thing? | TalkBass.com
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
Amptweaker DeFizzerator Passive EQ | Reverb
The Complete Guide To Passive Equalization/EQ – My New Microphone
Empress ParaEQ MKII EQ Pedal – Chicago Music Exchange
Guitar equalizer pedal: Tips, tricks and all the ways to use it - Guitarriego
3 Band Parametric EQ | carl
The Best EQ Pedals to Dial Your Tone Into the Sonic Sweet Spot | LN
Fishman AFX Pro EQ Mini Acoustic Preamp/EQ Pedal | KraftMusic.com
How to use bass EQ pedals to take full control of your low-end | Guitar World
Anyone here ever use one of these ? Ayan Smooth and Slim passive EQ | The Gear Page
Image result for passive 3 band eq wiring | Pedais de guitarra, Amplificador de áudio, Captador guitarra
Guitar EQ Pedals - Your Ultimate Guide from Andertons Music Co.