PCB - Tonepad Green Ringer - Small Bear Electronics
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gaussmarkov: diy fx » Green Ringer
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Guitar FX Layouts: Dan Armstrong Green Ringer
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Dan Armstrong "Green Ringer" /// Clone and Mods
Green Ringer w useful additions/mods : r/diypedals
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Dirtbox Layouts: Dan Armstrong Green Ringer
1976 Dan Armstrong Green Ringer > Effects | Southside Guitars
Green Ringer - Octave Up Guitar Effect DIY Pedal Kit | eBay
