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Old 20th December 2019
Lives for gear
David Rick's Avatar
Originally Posted by ruffrecords View Post
Why would he want to do that?
AC coupling will prevent any DC current from phantom power resistor mismatch or other offsets from flowing though this shunt resistor. It will see only the audio signal power, which is negligible.

Also you can use a potentiometer to produce variable impedance. The pot must not have DC on it or it will crackle.

Last edited by David Rick; 20th December 2019 at 06:09 PM.. Reason: pot option added