![Guitar Pedal X - News - A Brief Hobbyist Primer on Key Tone Stack Types and Circuit EQ Configurations - in collaboration with Master-Builder Adrian 'Thorpy' Thorpe Guitar Pedal X - News - A Brief Hobbyist Primer on Key Tone Stack Types and Circuit EQ Configurations - in collaboration with Master-Builder Adrian 'Thorpy' Thorpe](https://d6a2e7ghqts3o.cloudfront.net/AcuCustom/Sitename/DAM/524/2021GPXToneStack3Band700.jpg)
Guitar Pedal X - News - A Brief Hobbyist Primer on Key Tone Stack Types and Circuit EQ Configurations - in collaboration with Master-Builder Adrian 'Thorpy' Thorpe
![Guitar Pedal X - News - A Brief Hobbyist Primer on Key Tone Stack Types and Circuit EQ Configurations - in collaboration with Master-Builder Adrian 'Thorpy' Thorpe Guitar Pedal X - News - A Brief Hobbyist Primer on Key Tone Stack Types and Circuit EQ Configurations - in collaboration with Master-Builder Adrian 'Thorpy' Thorpe](https://d6a2e7ghqts3o.cloudfront.net/AcuCustom/Sitename/DAM/524/2021GPXBigMuffToneStackpsd.jpg)
Guitar Pedal X - News - A Brief Hobbyist Primer on Key Tone Stack Types and Circuit EQ Configurations - in collaboration with Master-Builder Adrian 'Thorpy' Thorpe
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