ALITOVE 30W Universal Power Adapter Adjustable AC Adapter 100-240V 50-60Hz to DC 3V 4.5V 5V 6V 7.5V 9V 12V 2.5A Max Variable Power Supply 3V~12V 0.5A 1A 1.5A 2A with 5V 2.1A USB Port 14Tips 4.9FT Cord

ALITOVE 30W Universal Power Adapter Adjustable AC Adapter 100-240V 50-60Hz to DC 3V 4.5V 5V 6V 7.5V 9V 12V 2.5A Max Variable Power Supply 3V~12V 0.5A 1A 1.5A 2A with 5V 2.1A USB Port 14Tips 4.9FT Cord

comments:

Iampepeu posted on r/microkorg1d

Haha! Sure! https://www.amazon.com/dp/B07QX4J9VY

Iampepeu posted on r/microkorg2d

https://www.amazon.com/dp/B07QX4J9VY this one will be enough. It has a cable to change the polarity (you want center positive). Plus, you will be able to use it for other stuff as well. So, if you find something similar, you'll get what you need.