Hey guys, So, I got a wild hare the other day and decided to to the Wampler mod on my microvibe pedal to make it a tremolo. I replaced 47k in R15 with 33k to give tremolo instead of rotating speaker. Fired it up and couldn't tell any difference. I still get the 'warbly' rotating speaker effect. Maybe the only difference is a bit less of the warble, but I didn't record the original sound and I'm stumped. I wired in another resistor and tested both of them at 33k. Anybody try this mod? Or have suggestions?