Hi Mike, Unless the KN6500 is Dual Voltage, which I doubt, if it was bought in UK, you will need a Step-Up transformer to boost the 120vAC to 230/240 required by the keyboard.
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Willum
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Willum
After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)