OCTAVE UP Green Ringer™ clone | chicagostompworks
Guitar FX Layouts: Dan Armstrong Green Ringer
Perf and PCB Effects Layouts: Dan Armstrong Green Ringer
Green Ringer - Octave Up Guitar Effect DIY Pedal Kit | eBay
Green Ringer "Nulling" Mod
Dan Armstrong "Green Ringer" /// Clone and Mods
Green Ringer with Mods – Super-Freq
RING MODULATION | Dan Armstrong 'The Green Ringer' VS LovePedal 'Believe' | Board Or Bin - YouTube
Dan Armstrong Green Ringer | Reverb
Dan Armstrong™ Green Ringer™ | General Guitar Gadgets
Green Ringer w useful additions/mods : r/diypedals
beavis audio research - stompbox schematics
Dan Armstrong Green Ringer Guitar Effect - Circuit Scheme
Emerald Ring - Best Octave Up Green Ringer style PCB - GuitarPCB
Green Ringer Lowpass Filter Mod: a fresher, cleaner octave
WD Music Green Ringer | Effects Database
Octave Up Module – Build Your Own Clone
Green Ringer/Tentacle pedal build in a 1590A - Album on Imgur
Dan Armstrong Green Ringer | Reverb
Green Ringer - Octave UP!
Jeds Peds - Guitar Effect Pedal Kits - Add this green ringer to a fuzz and have a switchable octave up. It's such a versatile circuit, this is just one of many
Green Ringer Octave Fuzz clone | #1778742187
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 - SabroTone
DAN ARMSTRONG: Green Ringer, Point to Point Layout (EQD Tentacle) | Armstrong, Dan, Tentacle
Guitar FX Layouts: Dan Armstrong Green Ringer
Dan Armstrong – Green Ringer - Mu-Tron
