Dirtbox Layouts: DOD Envelope Filter 440 Reissue
beavis audio research - stompbox schematics
TG-Music effect pedals and other electronic experiments
GEO's Effects Schematics
StompBoXed - The Guitar Pedal Builders Repository: DOD 440 ( red ) Envelope Filter
DigiTech Announces DOD Envelope Filter 440 and Drop - Premier Guitar
DOD 440 reissue - how'd they do that?
Wave Digital Envelope Filter
GEO's Effects Schematics
Schematics, Service manual, or circuit diagram <br>for "dod" Schematic £1.80 (~ $2.50 or €2.10)
DOD 440 Envelope Filter | Effects Database
Experimentalists Anonymous DIY Archives
Show Posts - reddesert
Handmade Madbean Sawsee DOD 440 Envelope Filter Clone | | Reverb
Contents of schematics-20000228 - The Blue Guitar
Experimentalists Anonymous DIY Archives
BYOC Envelope Filter (DOD440 clone): just arrived | TalkBass.com
Schematics | General Guitar Gadgets
Experimentalists Anonymous DIY Archives
Experimentalists Anonymous DIY Archives
Guitar Circuits and Schematics: Fuzzi, Amps and other Effects
