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) August 5, 2017 at 3:33 pm #2165 Nick BurgeParticipant ps… I then went back to 150 ohms and biased up to .085v using the little blue pot. Audio quality the same.
