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
Dan Armstrong Green Ringer Guitar Effect - Circuit Scheme
Dirtbox Layouts: Dan Armstrong Green Ringer
RING MODULATION | Dan Armstrong 'The Green Ringer' VS LovePedal 'Believe' | Board Or Bin - YouTube
Dan Armstrong Pedal Collection - All 6 In the Original Musictronics Box!!! • LA Vintage Gear
Dan Armstrong – Green Ringer - Mu-Tron
Dinosaur Green Ringer | A Dan Armstrong Green Ringer clone w… | Flickr
Dan Armstrong Green Ringer | Reverb
beavis audio research - stompbox schematics
Josh Smith - Quick and Dirty - Why I choose Green Ringer style octave over the Octavia! - YouTube
Dan Armstrong Green Ringer mods
DAN ARMSTRONG™ GREEN RINGER™ REPLICA COMPLETE KIT – General Guitar Gadgets
Dan Armstrong Green Ringer on Perfboard : r/diypedals
Dan Armstrong Green Ringer made by Grafton Electronics USA Ring Mod Modulator Module Reissue | Reverb
DAN ARMSTRONG™ GREEN RINGER™ REPLICA RTS PCB – General Guitar Gadgets
Mu-Tron Dan Armstrong Green Ringer 70's Green | Reverb
Dan Armstrong Green Ringer Rehoused & Upgraded | Reverb
Dan Armstrong "Green Ringer" /// Clone and Mods
Guitar FX Layouts: Dan Armstrong Green Ringer
Dan Armstrong Green Ringer on Perfboard : r/diypedals
21st Century Green Ringer | From HC CH, used at Green Ringer… | Flickr
DAN ARMSTRONG: Green Ringer, Point to Point Layout (EQD Tentacle) | Dan, Armstrong, Ringer
Dan Armstrong Green Ringer Guitar Effects Pedal Green | Musician's Friend
