MXR Blue Box

So. It’s April already. This one is the last post from me for today. I do believe there lots of you who have been waiting to get your hands on a doable octave down circuit. Here it is. You should probably try this with a fuzz in front of it ๐Ÿ™‚

Edit! Here’s a link to John K’s modded layout, which will sound cleaner and has 1/2 octaves on a switch:
https://wp.pedalia.org/wp-content/uploads/2026/06/MXR_BlueBox-Final-Verified-dcc7a0962646.png
Huge thank you John!

Leave a Comment