This power supply is compatible with models like the SA46/47, SA 76/77, CTK 240,1500 and the LK 135.
Yamaha PA 130 B Standard AC Adapter suitable for many Yamaha models.
Casio AD-1C Power Adapter. 7,5 Volts AC. Picture may differ from reality.
The Roland PSB Boutique is a compatible Power Supply for the Roland Boutique series.