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Champ amp

https://github.com/apirrone/tube_amps/wiki/Champ-amp

See the CAD here

Resistors:

1/2watt carbon composition:

  • 2 – 1k5 (brown/green/red/gold)
  • 1 – 22k (red/red/orange/gold)
  • 2 – 68k (blue/gray/orange/gold)
  • 2 – 100k (brown/black/yellow/gold)
  • 1 – 220k (red/red/yellow/gold)
  • 1 – 1M (brown/black/green/gold)

2watt metal oxide:

  • 1 – 10k (brown/black/orange/gold or it will just say “10k”)
  • 1 – 22k (red/red/orange/gold or it will just say “22k”)

5watt wire wound:

  • 1 – 470ohm(large white block says “470” on it)

Capacitors:

  • 2 – .022uf axial leaded film
  • 2 – 8uf/10uf/450v axial leaded aluminum electrolytic link
  • 1 – 16uf/475v axial leaded aluminum electrolytic link
  • OR 2 33uf/250V in series link
  • 2 – 25uf/25v axial leaded aluminum electrolytic link

Potentiometers

  • 1 – A1M w/SPST switch
  • 1 – knob

Jacks

  • 3 – 3.5mm jack socket

Transformers

Power

Ressources

tube alternatives

  • 5y3gt : 5Y4GT/6087/5Y3G/5Y3WGTA
  • 6v6gt : 6V6/5992 (military version, rare and good)
  • 12ax7 : 7025/ECC83/5751/12AY7