TUTORIAL - Double Entendre Fuzz - Double Muff | PedalPCB Community Forum
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Combining Pedals + A Few Mods: Big Muff Pi and Double Muff - freestompboxes.org
The (not) Quiet Pi. It's basically a big muff opamp with a couple mods and some SP artwork. This album was a huge part of my childhood and wanted to pay them
Coda Effects - Big Muff mods and tweaks
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EHX Double Muff EQ + Volume Mod Project : r/diypedals