XLR Connector Wiring

Various Musical Fidelity products are equipped with XLR connectors offering balanced audio inputs and / or outputs.

XLR pin outs?

Since approx. 2000 these connections adhere to the EIA RS-297-A standards and are configured as follows:

Pin functions:

  • Pin 1 - Ground (cable shield)
  • Pin 2 - Normal polarity ("hot" or “+”)
  • Pin 3 - Inverted polarity ("cold" or “-“)

For further information on XLR connections you may like to the relevant Wikipedia article on XLR connections.



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