Doepfer A-138j Inverting / Interrupting Mixer (Slim Line) critter-guitari the MXR Talk Box is

the MXR Talk Box is built into a sturdy

which has been created by the company that has been redefining the standard of signal processing for more than 30 years

The stereo design features XLR inputs and outputs with a choice of 48V and 12V operation

four-deck controller is USB bus-powered with a lightweight

Doepfer A-138j Inverting / Interrupting Mixer (Slim Line) critter-guitari the MXR Talk Box isModule A 138j is a four channel mixer with an additional polarity mute switch for each input. In the upper position of the corresponding switch the inverted signal is used. In the center position the input in question is turned off (mute) and in the lower position the "normal" (i. e. non inverted) signal is used. The inverting of signals is used especially for control voltage signals (e. g. LFO, ADSR). But even for corellated audio signals this