Reply To: setting the bias current (scratchy Cortado) Shop › Forums › Cortado Contact Microphone Forum › Cortado FAQ & Support › setting the bias current (scratchy Cortado) › Reply To: setting the bias current (scratchy Cortado) July 31, 2017 at 3:53 pm #2153 Nick BurgeParticipant Yes that’s right, 46v between red cable (xlr pin 2) and earth (xlr pin 1) and the same between white cable (xlr pin 3) and earth. I shortened the cable from piezo to board which I thought might be too long. (one of my own) Still very distorted.
