Mu-Tron Dan Armstrong Green Ringer 70's Green | Reverb
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Guitar FX Layouts: Dan Armstrong Green Ringer
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Dan Armstrong Green Ringer on Perfboard : r/diypedals
Dan Armstrong Green Ringer made by Grafton Electronics USA Ring Mod Modulator Module Reissue | Reverb
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Dan Armstrong Green Ringer - CircuitLab
File:Atmos - Green-Ringer-based octaver with extra LED clipping (2007-02-05 21.45.11 by germanium).gif - Wikimedia Commons
OCTAVE UP Green Ringer™ clone | chicagostompworks
Dan Armstrong Green Ringer | Reverb
DAN ARMSTRONG: Green Ringer, Point to Point Layout (EQD Tentacle) | Dan, Armstrong, Ringer
![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
Dinosaur Green Ringer | A Dan Armstrong Green Ringer clone w… | Flickr
Dan Armstrong Green Ringer on Perfboard : r/diypedals
DAN ARMSTRONG™ GREEN RINGER™ REPLICA RTS PCB – General Guitar Gadgets
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
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
