Rectifier simply inverts the phase of the negative portion of the signal (I think, if that makes any sense?). However, what it can output is more important: distortion and strange noise... I am not aware of that many devices which use this effect, but at least Line 6 POD (guitar fx) has a very nice rectifier...
Like what you can do, if you split up the phases, and put them both thru a diode?
Immanuel
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the "rectifier" setting on the pod refers to the distortion settings one can get with a specific model of tube guitar amp. a.k.a the mesa-boogie dual rectifier.so called because it has two rectifier circuits.(the rectifier changes ac from the wall to dc)the rectifier is not some sort of effect,but the amp has specific qualities,the main one a quality of distortion.guitar amps are low-fi devices,you are employing a guitar amp simulator as a low-fi filter.
Thanks a lot Castol for bringing these Neutron devices to my attention! For some reason I had not noticed them earlier... I will be sure to check them out as soon as my exam period is over - not much time to make music right now