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Lucas, Lyra, and DIY Audio Projects: Revisiting the 5687 Preamp

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Lucas, Lyra, and DIY Audio Projects: Revisiting the 5687 Preamp

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Tube Preamp Circuit Diagram
Hifi Tube Preamp Schematic

Hifi Tube Preamp Schematic

Elektronika.lt :: Peržiūrėti temą - Phono tube headamp

Elektronika.lt :: Peržiūrėti temą - Phono tube headamp

RCA 5879 Phono Preamp | Page 2 | diyAudio

RCA 5879 Phono Preamp | Page 2 | diyAudio

Audio Note Schematics - Dr.Tube

Audio Note Schematics - Dr.Tube

Update: Simple 5687-based preamp - diyparadise

Update: Simple 5687-based preamp - diyparadise

PPT - 5687 based simple preamp Basic layout DIY Paradise 9 January 2003

PPT - 5687 based simple preamp Basic layout DIY Paradise 9 January 2003