DIY Vacuum Tube Amplifier

DIY Tube Amplifier (banana for scale)
This past winter I designed and constructed a stereo vacuum tube amplifier based off of the TubeLab SimpleSE design. Since many people asked about it at Maker Faire Detroit, I thought I would post a link to the build photos and some more details. Check out the build album below!

Full imgur album

Some more technical details:

  • Preamp: GE 12at7
  • Power Tubes: RCA 6v6
  • Rectifier: RCA 5u4gb
  • Output Transformers: Edcor GXSE15-8-5K
  • Power Transformer: Edcor XPWR002

All other components are pretty much standard and are listed in the TubeLab SSE bill of materials.

Ethan is a computer engineer and open source hardware/software developer from Michigan. He enjoys AVR and linux development, photography, mountain biking, and drinking significant amounts of home-roasted coffee. Find out more at

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3 comments on “DIY Vacuum Tube Amplifier
  1. Darren says:

    Nice work! Thanks for sharing.

  2. Really cool looking amp. I built a 6V6 based SSE several years ago and it sounded quite nice.

    Not an AVR, but there will be some Teensy meets vacuum tubes projects coming in the future.

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