Modifying the Yamaha PSS80 Electronic Synthesizer Keyboard





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Uploaded on Jun 1, 2008

A How-To Video from ClydeSight Productions

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I bought a Yamaha PSS80 at a yard sale, and discovered that it did not have a sound output jack. Some later versions of this little keyboard may have corrected this problem.

This video shows step-by-step how to modify a Yamaha PSS80 "Portasound" electronic keyboard by installing a direct sound output jack for patching it into mixing boards, computers or any audio device. While this instrument is not a true synthesizer, it has some unique synthesizer sounds that can be a very useful part of the electronic musician's toolkit. This technique can be used with any keyboard that has speakers but no direct sound output jack.

The modifications require a few simple tools and one 1/8" non-circuit breaking mini jack, available at Radio Shack.

When modified, the Yamaha keyboard is able to patch and play music directly into audio devices, including the line-in of a computer, with no loss of sound quality. This allows one to use the unique synthesizer sounds in a variety of ways, mixing it with other tracks of a music composition in a sound editor, for example. At the same time, it will play through its own speaker, which in some cases can create a modified "stereo" effect.

The music performed in this video is Yamaha's own "demo song" built into the little keyboard.


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