I have breadboarded my new daisyseed as a guitar pedal with a TL072 input buffer, much like the terrarium circuit, but I am finding that for the output, I get a better result from just outputting without a buffer. Adding the buffer adds more noise. I get a pretty good low noise output without it. I wonder if anyone can take a look and let me know if there is anything I am missing in my analysis. Here is the circuit -
