Designed in kicad 5
The THAT corporation discontinued their thru-hole compressor IC, the 4301, and replaced it with a surface mount version, the 4305. This version does not come with internal VCAs so it’s up to the designer to add those to the design. I added the required resistors and capacitor based on what I had in my stock at the time.
Ultimately it works, but there is another 4301 replacement manufactured by PedalPcb that works while still keeping the same 7.62 horizontal footprint. If you’re going to get one I recommend that instead.