Flatline Compressor

effect pedal project by John Hollis

Here's the Flatline Compressor effect pedal project from John Hollis.

This project has been described using terms like compressor, stripboard, and vero 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.

Parts List

  • C1
    1n
  • C2
    1u
  • C3
    100u
  • C4
    10u
  • C5
    47u
  • D1
    1N34A
  • D1 (Alt)
    1N4148
  • D2
    1N34A
  • D2 (Alt)
    1N4148
  • D3
    1N34A
  • D3 (Alt)
    1N4148
  • D4
    1N34A
  • D4 (Alt)
    1N4148
  • D5
    LED
  • LDR1
    LDR
  • P1
    10k Sustain
  • P2
    100k Volume
  • Q1
    TL072
  • Q1 (Alt)
    Opamp Dual
  • R1
    220k
  • R2
    10M
  • R3
    10M
  • R4
    10k
  • R5
    100k
  • R6
    10k
  • R7
    47k
  • R8
    100k
  • R9
    330R
  • U1
    9V