Hi Christian,

While I don't have a KN2600 I do have the SX-PR54 piano which uses the same sound system as the KN2600/KN2400.

You can listen to a couple of WMA files I recorded at http://www.technicsforall.com/songs2.html

Best of Luck



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Heather- Leesburg, FL PR54
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Heather- Leesburg, FL PR54