Got a request for a dual buffer that inverted the phase of the signal. Found this post from Parasit Studio and used it for the basis of this design. I added polarity protection, power filter cap, and output caps. You can use either dedicated jacks for the in phase and inverted phase outputs, or use a SPDT toggle connected to a single jack and use it to select between the two outputs. (In phase output pad to lug 1, output jack to lug 2, inverted phase output pad to lug 3.) Should prove to be a handy utility. Single and dual versions below.
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