This power supply is compatible with models like the SA46/47, SA 76/77, CTK 240,1500 and the LK 135.
Casio AD-1C Power Adapter. 7,5 Volts AC. Picture may differ from reality.
Yamaha PA 130 B Standard AC Adapter suitable for many Yamaha models.
Roland PSB-7U power supply (Boss) CD-2; 12V DC, 4000 mA; 2,5 mm bore inside, polarity + inside,
The Roland PSB Boutique is a compatible Power Supply for the Roland Boutique series.