Green Octaver (Octa-plus) - PCB Guitar Mania
Dan Armstrong™ Green Ringer™ | General Guitar Gadgets
Perf and PCB Effects Layouts: Dan Armstrong Green Ringer
Vintage Dan Armstrong Green Ringer Ring Modulator Effect Mu Tron Musitronics | eBay
Dan Armstrong Green Ringer Guitar Effects Pedal Green | Musician's Friend
Dan Armstrong™ Green Ringer™ | General Guitar Gadgets
WD Music Green Ringer | Effects Database
Green Ringer Kit | PuzzleSounds
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GREEN CANDLE Ring Modulator | Garland FX
![NPD] Just scored this Zappa-approved Green Ringer! : r/guitarpedals](https://i.redd.it/c02e0gx0g7411.jpg "NPD] Just scored this Zappa-approved Green Ringer! : r/guitarpedals")
NPD] Just scored this Zappa-approved Green Ringer! : r/guitarpedals
Green Ringer PCB | PuzzleSounds
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, Point to Point Layout (EQD Tentacle) | Armstrong, Dan, Ringer
Little Miss Lover Octave Fuzz (Dual Axis Fuzz and Green Ringer Octave Up)
DIY guitar pedal green ringer clone - YouTube
Dirtbox Layouts: Dan Armstrong Green Ringer
OCTAVE UP Green Ringer™ clone | chicagostompworks
Green Ringer Deluxe Analog Octave Up Pedal (video demo in description) | Reverb
Emerald Ring - Best Octave Up Green Ringer style PCB - GuitarPCB
Guitar FX Layouts: Dan Armstrong Green Ringer
Dan Armstrong Green Ringer Guitar Effect | Electronic Schematic Diagram
1976 Dan Armstrong Green Ringer > Effects | Southside Guitars
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Guitar FX Layouts: Dan Armstrong Green Ringer
