* Yamaha Music USA: Yamaha's official website sells a variety of power cords, including one that is compatible with the C-601.
* Amazon: Amazon sells a wide variety of power cords, including some that are compatible with the C-601.
* eBay: eBay is a good place to find used or refurbished power cords for the C-601.
* Your local music store: Many local music stores sell power cords for musical instruments.
When shopping for a power cord for the C-601, be sure to choose one that has the correct voltage and amperage rating. The C-601 requires a power cord that has a voltage rating of 120 volts and an amperage rating of 1.5 amps.