Josh Smith - Quick and Dirty - Why I choose Green Ringer style octave over the Octavia! - YouTube
Dan Armstrong Green Ringer Rehoused & Upgraded | Reverb
21st Century Green Ringer | From HC CH, used at Green Ringer… | Flickr
Used Dan Armstrong Green Ringer Effect Pedal | Guitar Center
File:Atmos - Green-Ringer-based octaver with extra LED clipping (2007-02-05 21.45.11 by germanium).gif - Wikimedia Commons
Green Ringer w useful additions/mods : r/diypedals
WD Music Green Ringer | Effects Database
Dan Armstrong Green Ringer 1970's Green | Reverb
Dan Armstrong Pedal Collection - All 6 In the Original Musictronics Box!!! • LA Vintage Gear
Guitar FX Layouts: Dan Armstrong Green Ringer
Dan Armstrong - Man & Guitars
Dan Armstrong "Green Ringer" /// Clone and Mods
Dan Armstrong on Pinterest
Dinosaur Green Ringer | A Dan Armstrong Green Ringer clone w… | Flickr
DAN ARMSTRONG™ GREEN RINGER™ REPLICA COMPLETE KIT – General Guitar Gadgets
Dan Armstrong™ Green Ringer™ | General Guitar Gadgets
Dan Armstrong Green Ringer | Reverb
Green Ringer - Octave UP!
Dan Armstrong Sound Modifiers - Premier Guitar
Dan Armstrong™ Green Ringer™ | General Guitar Gadgets
Dan Armstrong Green Ringer schematic | Electronic Schematic Diagram
