Xlr Wiring Diagram. The surrounding shield should be soldered to pin 1. 3 pin xlr wiring diagram cable wiring etc cable designed for being cut into standard mic cables may have 2 pairs of wire and a shield around the outside in that case pair the colors together and make sure they go to the same pin number on each end.
Pin 2 on the xlr is hot and carries the positive going signal whilst pin 3 is cold and provides the return. Some manufacturers especially in vintage equipment do not follow this standard and instead reverse the polarity of pin 2 and 3. A balanced system is used in pro audio systems xlr wiring diagram shown below with an overall screen covering a twisted pair.
Pin 2 on the xlr is hot and carries the positive going signal whilst pin 3 is cold and provides the return.
How to wire an xlr connector balanced a balanced system is used in pro audio with an overall screen covering a twisted pair. Each part should be set and connected with other parts in particular way. Some manufacturers especially in vintage equipment do not follow this standard and instead reverse the polarity of pin 2 and 3. The above diagram shows you the pin numbering for both male and female xlr connectors from the front and the rear view.