Help me identify a mystery PCB from my stash? (Resolved)

[SpencerPedals]

I found a PCB I didn't realize I had that features no silkscreening of the project it was for.  This was likely a small-ish run group project.  A rate and feedback knob, a switch, six ICs, etc. 



Any ideas?

[Govmnt_Lacky]

OTA phaser? using (2) 13700s??

[SpencerPedals]

Yeah, a Small Stone!  That's it!  Thanks so much. 

I found the thread over here http://www.diystompboxes.com/smfforum/index.php?topic=86990.0