Recent content by DaveOConnell

  1. D

    Headrush FRFR-108 distorting after amplifying bass via Positive Grid Spark 40

    My Headrush FRFR-108 is damaged after I ran a summing cable into it from the headphone output of a Positive Grid Spark 40. It distorts at any volume over 6 when I play a bass guitar through it. I had it cranked up to max while rehearsing with the band and a loud drummer. How can I tell if...