Moon Phase from Patching Panda is a stereo filter that allows for dual peak stereo filtering with a selection of different filter types. The filters are 12dB/oct with pleasant resonance that doesn't go into self oscillation. The LED interface in the middle shows the eight filtering modes selected by the button. These include band pass/high pass, low pass/band pass, dual bandpass, dual highpass, dual lowpass, high pass/low pass, band pass/notch, and low pass/notch. Span opens or closes the filters, clockwise, it opens the right filter, counterclockwise it opens the left filter. The filters can be spread in the stereo field using the stereo imager. CV inputs are present for the various filtering controls and accept control signals well into audio rate. Moon Phase brings stereo filtering with a selection of different filter behaviors that sound great and are useful for your stereo or even mono patches.