Finch Compressor

bhcarpenter

Well-known member
I’ve been following the “Bring Out Yer DipTrace” thread (https://forum.pedalpcb.com/threads/bring-out-yer-diptrace.11287/post-183628) for a while. It’s amazing how approachable it can be to get a simple circuit board fabricated. So when a friend asked me to build him a compressor, I took the opportunity to give it a try. I picked the simplest compressor schematic I could find - the John Hollis Flatline (ok, really the Madbean Afterlife variant) and added an Amz Stupidly Wonderful Tone Control verbatim.

I did make some mistakes along the way, but overall it was a great learning experience and my friend is pleased with the result.

This was also my first time trying Tayda’s UV printing, and I’m very impressed with it. The finch was a request from my friend. It’s in honor of his late grandmother who often took him birdwatching.

I do like the the sound of the compressor, but it seems to let some of the initial attack through before clamping down hard, much like a Dynacomp. I was expecting more transparency from an optical compressor. The passive tone control also sucked a little too much volume out for me, so I ended up adding an afterblaster from GuitarPCB. I’m really glad I did! It seems to liven the circuit up a good bit while giving a touch of character.
 

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