AC Power Adapter for Casio CASIOTONE MT-260 MT-540 CT-430 CT-102 CT-510 CT-370 : Amazon.ca: Electronics
Casio ToneBank MT-260 | Sound Programming
Casio Tone Bank MT-260: My sister got this for Christmas in 1989... Used and abused all throughout our childhood and it still works wonders! : r/BuyItForLife
Casio MT-260 1980s Black Vintage MIDI Synth | Reverb
Casio ToneBank MT-260 | Sound Programming
CASIO MT260 - Owner's Manual Immediate Download
Amazon.com: BestCH DC 9V AC DC Adapter for Casio CASIOTONE MT-260 MT-540 CT-430 CT-102 CT-510 CT-370 Electronic Keyboard Piano 9VDC Power Supply Cord : Musical Instruments