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
How to use bass EQ pedals to take full control of your low-end | Guitar World
Pultec Style EQ in a pedal, why isn't this a thing? | TalkBass.com
3 Band Parametric EQ | carl
Second Hand Amp Tweaker Defizzerator Passive EQ Pedal w/box - - Andertons Music Co.
Gob Small Fi Foot pedal Bass Cut Lo Fidelity effect pedal Passive EQ High Pass Filter Low | Reverb
Amazon.com: Boss GE-7 7-band EQ Pedal : Musical Instruments
Anyone here ever use one of these ? Ayan Smooth and Slim passive EQ | The Gear Page
Amptweaker DeFizzerator Passive EQ | Reverb
SPL PASSEQ Passive Mastering EQ - Black - Vintage King
10-band Graphic EQ KIT
SMALL FI 4 BASS CUT LO FIDELITY EFFECT PEDAL PASSIVE EQ HIGH PASS FILTER LOW | eBay
Gob Instruments Small Fi Toggle Bass Cut Metal Lo Fidelity pedal Passive EQ High Pass Filter Low | Reverb
The Best EQ Pedal Roundup (Guitarsite)
JHS Clover Preamp EQ Pedal w/ XLR Output
Simple, Easy Parametric and Graphic EQ's, Plus Peaks and Notches