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5687 Preamp as I plan to build it. | diyAudio

5687 Preamp as I plan to build it. | diyAudio

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5687 Preamp as I plan to build it. | diyAudio

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

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RCA 5879 Phono Preamp | Page 2 | diyAudio

Lucas, lyra, and diy audio projects: revisiting the 5687 preamp

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Simple 5687-based preamp - diyparadise

Simple 5687-based preamp - diyparadise

Single Ended 5687 amplifier Photo #4740200 - US Audio Mart

Single Ended 5687 amplifier Photo #4740200 - US Audio Mart

Update: Simple 5687-based preamp - diyparadise

Update: Simple 5687-based preamp - diyparadise

Update: Simple 5687-based preamp - diyparadise

Update: Simple 5687-based preamp - diyparadise

Vacuum Tube Preamplifier Schematic

Vacuum Tube Preamplifier Schematic

WE417A or 5842 Triode - Tube Preamp Schematic

WE417A or 5842 Triode - Tube Preamp Schematic