Casio Tone Bank Electronic Keyboard Full Size CT-470 - Fully Working | eBay
CASIO CT-470 CASIOTONE KEYBOARD POWER SUPPLY REPLACEMENT ADAPTER UK 9V 712221880391 | eBay
Kircuit AC/DC Adapter Compatible with Casio LK-56 LK-215 CT-670 CT-680 DG-1 LK-100 CTK-551 CTK-56 CTK-149 CTK-470 CTK-680 CT-637 Tone Bank ToneBank Digital Piano Keyboard 9VDC Power Supply Charger - Walmart.com