Re: Mad Bean Modulaterator

Posted by Ubertech_s on
URL: http://guitar-fx-layouts.238.s1.nabble.com/Mad-Bean-Modulaterator-tp32614p32662.html

Built this today - consider it verified.

It is a great addition to PT2399 delays and adds a nice warble.

In common with many Deep Blue style delays it is the time resistor to pin 6 which needs this signal adding to. You can add it before or after the resistor with slightly different results - my preference is between the resistor and pin 6

As far as the choice of R6 resistors go 220k gives a nice variety of effects from subtle to extreme depending on the delay time. using 47k for R6 was more extreme from very wobbly to self oscillating weirdness, which it achieves too easily. Ive not tried any other values yet, but I think I will increase 47k until the osc happens at extreme settings rather than most.

Interestingly the depth control, and to an extent the rate control have quite a few areas of 'nah!' in their sweeps - Im wondering if changing the value or putting an additional resistor in series or parallel with the pot will improve their usability

I will feedback with my chosen values later, but for now this one is good to go :)

Thanks for your help :)