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Phono/RCA
RCA connectors, also called Phono connectors, the come in different colors, depending on the use, they can be found in a male or female version:
If used for transporting audio, they can only be used for unbalanced audio.
When used for audio distribution the color is:
Red is for right audio channel
White is for Left audio channel
When used for video
Yellow is for composite video
Orange for S/PDIF digital audio
When you look at the connector, it has a ground shield, and a pin for signal, it is illustrated in the picture below
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XLR-connectors explained
3 pin XLR are mostly used for microphones, here is the pinout for balanced 3 pin XLR
It is also called “PIN-2 hot”
|
PIN |
Signal |
|
1 |
Ground/Screen/earth |
|
2 |
In phase/hot/Signal plus |
|
3 |
Out of phase/Cold/Signal minus |
Here is the pinout for 3 pin XLR Unbalanced
|
PIN |
Signal |
|
1 |
Ground/Screen/Earth |
|
2 |
Signal |
|
3 |
Ground/Screen/Earth (With PIN 1) |
|
XLR Male seen from solder side |
|
|
|
XLR Female seen from solder side |
|
|
The XLR connector are governed fra the EC 61076-2-103 standard and was invented by James H. Cannon, who was the founder of Cannon Electric in Los Angeles, it was invented around 1950, and is also sometimes called cannon plug or cannon connector, because of the last name of the founder.
The XLR connector is mostly know for the 3 pin type, but can also be found with up to 10 pin.