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A simple PCB to intercace stereo audio jacks to a phoenix audio connector


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Copyright and Disclaimer

Copyright: René Richard

This documentation describes Open Hardware and is licensed under the CERN OHL v. 1.2.

You may redistribute and modify this documentation under the terms of the CERN OHL v.1.2. ( This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN OHL v.1.2 for applicable conditions

Phoenix Audio Adapter

I didn't want to have a bunch of stripped wire connectors on my Extron Crosspoint 12x4 video switch so I decided to make this simple adapter which allows a stacked RCA stereo audio jack (Digikey# CP-1435-ND) to be interfaced to a standard 5pin 3.5mm Phoenix connector.

Output Differences

The Extron Audio output wiring is different than the input wiring. There are 2 PCBs in this project. Be sure to use the output PCB for your outputs!

Phoenix Adapter

This folder contains a PCB which connects L- and R-. You "can" use this PCB for all your needs, provided you cut the R- and L- traces for outputs. If you forget to cut the traces it's probably not a big deal since there is internal resistance (50 ohms or so) in line which each output. Obviously best if they are cut, but not catastrophic by any means.

Phoenix Adapter Output

This folder contains a PCB which leaves L- and R- floating.


A simple PCB to intercace stereo audio jacks to a phoenix audio connector







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