I made a guide for building Ruby Amp in a mint tin! : r/diypedals
Tape Op | phantom powered piezo buffer, 10meg input Z? - Message Board
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The Mint-box Piezo Buffer
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The Mint-box Piezo Buffer
Pot value for buffered piezo and 2 magnetic pickups. | TalkBass.com
Jfet piezo preamp for acoustic guitar | diyAudio
Piezo Preamp Experiment – Cigar Box Nation
The Mint-box Piezo Buffer
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Tymkrs Piezo Preamp - YouTube
The Mint-box Piezo Buffer
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Piezo Preamp Experiment - Cigar Box Nation
Piezo Pick Up and Pre Amp Project... | diyAudio
Piezo Secrets from Cigar Box Nation Members – Cigar Box Nation
Piezo Buffer/Preamp für Gitarre/Bass (Cafe Walter PZP-1) | Reverb
The Mint-box Piezo Buffer
Altoids piezo pre-amp – Stompville
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Altoids piezo DI box – Stompville
Acoustic Piezo Preamp - Guitar FX Layouts
Cigar box guitar preamp / booster / buffer
