The AOR 2500 and the AOR 2515 were very similar models. The 2515 was actually
produced before the 2500.

Regarding the power supply, which I presume should be the same, the stock AOR
supply (part number AA2001) that came with my 2515 is rated at 500 milliamps /
12 volts.

Jeff Multer, Fort Mill, S.C.