PNP germanium buffer

effect pedal project by AMZ

Here's the PNP germanium buffer effect pedal project from AMZ.

This project has been described using terms like buffer, stripboard, and tagboard and is reportedly verified, meaning many hobbyists have already completed this project and verify that the instructions are without issue.

Beyond the specs and details found on this page, you'll want to check out these stripboard resources too.

Project Resources

Parts List

  • C1
    47u
  • C2
    1u
  • C3
    1u
  • R1
    470k
  • R2
    470k
  • R3
    1M
  • R4
    10k
  • R5
    1M
  • T1
    AC128
  • U1
    9V

Similar transistors & Potential Alternatives

Can't find an exact match for the recommended transistor in this project within your stash? Or maybe you just feel like experimenting. Use these tables below to get started finding a suitable or otherwise interesting transistor substitution.

There may be 1 alternative for the AC128 mentioned above in the parts list for this project. This suggestion were derived by considering the original component's hFE, Pol, Ic, Vcb, and Vce values and finding comparables in our database. These alternatives are suggestions for further exploration (fun!) and have not been tested in the context of this project. You can also to suit your preferences.