Filaments is Keeley Engineering's most earth-shattering pedal, a high gain distortion created with metal-heads in mind, more info under the video. https://www.youtube.com/watch?v=TBuBc2XZpH4 The Filaments has more flexibility in tone-shaping than any other Keeley stompbox.  Level and Gain set the stage for rich layers of high gain tube-amp saturation.  Bass and Body give you the punch and authority of…Click on the title for more