without identifying the noise source you are trying to eliminate recommendations for how to best wire your "adapter" cable without more information about the devices to be interconnected could lead to creating new "noises".
sidebar comment: what with the "VS" mentality balanced and unbalanced are interconect methods that are application specific.
sidebar comment: what with the "VS" mentality balanced and unbalanced are interconect methods that are application specific.
For one thing, keeping it balanced until the end of the cable and doing the unbalanced conversion then is always better. The whole cable will then give you the noise cancellation of a balanced line.
Jan
The way you've drawn the right hand cable is what I've read to be recommended. 3 wires for the entire cable, cold and shield joined at the RCA end.
Option a.)
if your XLR output allows the pin 3 signal to be shorted direct to ground then:
Take the screen/shield from pin1 all the way to theRCA/Phono Signal return tag.
Take the pin2 to the RCA signal Hot pin.
Take the pin3 to the RCA signal Return tag.
Option b.)
if your XLR output does not allow the pin 3 signal to be shorted direct to ground then:
Take the screen/shield from pin1 all the way to theRCA/Phono Signal return tag.
Take the pin2 to the RCA signal Hot pin.
Take the pin3 to a current limiting resistor to then feed the RCA signal Return tag.
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