Hugh,
If your local dealer cannot get the strip, you can order it directly from yamaha's service department by calling 714-522-9000 in the U.S..
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)