Mysterioso buzzing in Reactive mode

[gordo]

My Mysterioso build sounds REALLY good.  By far the coolest 4049 build I've heard.  I have a fairly noticeable buzz when the bottom toggle is in REACT mode.  With the buffer in circuit it's dead quiet.  It's almost like I lose the ground but it's not that loud.  I'd almost expect it to be the other way around.

I guess I'd start with swapping out the 4049 but the fact that just putting a buffer in front of it has me a bit stumped.  This hasn't been boxed yet so not sure if the extra shielding will bring down the noise.

[madbean]

Not sure what would cause that other than perhaps general noise from not being boxed, or possibly if you are using a breadboard to make connections while testing. Obviously the reactive mode input is completely passive so that should not be a source of noise. Maybe do some continuity checks on the actual DPDT switch itself and make sure the connections are solid in both modes.