JSI Synth Resonator - Polymoog Formant Filter Effect or Phil as we affectionately

or Phil as we affectionately call it

battery-powered operation

This creates a simulation of reverberation with (in the case of spring of the reverb) a characteristic and classic colour

or using signed math

Beth Anderon

JSI Synth Resonator - Polymoog Formant Filter Effect or Phil as we affectionatelyFully tested, perfect working condition. In new condition built from a kit. About Used Items: All modules include a power ribbon cable and M3 screws. Please be aware that although all used items have been tested to work as they are designed, they are sold "As Is" and are not accepted for returns unless there is a defect in the used item. Used items DO NOT qualify for Free Shipping, if you order a new item with a used item you will be charged shipping