Pettyjohn Electronics RAIL Super Fuzz and Distortion Guitar Effects Pedal
Pettyjohn Electronics Iron Overdrive Pedal, Foundry Series – Flipside Music
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Pettyjohn Electronics Lift | Tone Report
Pettyjohn Electronics Chime Overdrive Pedal
Guitar Pedal X - GPX Blog - Stephen Pettyjohn Explores the outer reaches of Headroom and Compression with his Elegant New Chime-derived Core Edge Circuit