October Audio NVMBR: An Octave Fuzz, Punk Distortion, and Green Ringer In One? – Guitars For Idiots
Dan Armstrong Green Ringer Guitar Effect | Electronic Schematic Diagram
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Josh Smith - Quick and Dirty - Why I choose Green Ringer style octave over the Octavia! - YouTube
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File:Dan Armstrong Green Ringer circuit - an octave-up effect with a ring-modulator touch to it - just finished building (2006-03-05 22.51.45 by germanium).jpg - Wikimedia Commons
Green Ringer - Octave Up Guitar Effect DIY Pedal Kit | eBay
NGOrder Spice Girl White & Green Ringer Crop T-Shirt
WD Music Green Ringer | Effects Database
Dan Armstrong Green Ringer effect Tags - Circuit Schematic Diagram
Dan Armstrong Green Ringer Guitar Effects Pedal Green | Musician's Friend
Green Ringer w useful additions/mods : r/diypedals
Dan Armstrong™ Green Ringer™ | General Guitar Gadgets
Perf and PCB Effects Layouts: Dan Armstrong Green Ringer
Emerald Ring - Best Octave Up Green Ringer style PCB - GuitarPCB
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Heather Green Ringer Tee! - Prototype Vintage
RING MODULATION | Dan Armstrong 'The Green Ringer' VS LovePedal 'Believe' | Board Or Bin - YouTube
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Guitar FX Layouts: Dan Armstrong Green Ringer
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Dirtbox Layouts: Dan Armstrong Green Ringer
Dan Armstrong - Man & Guitars
