turntable

Hello, just purchased a turntable for my cnc.. And I already have a 2x 12v
output power supply. but this turntable table:
http://www.allelectronics.com/cgi-bin/category.cgi?category=search&item=DCM-178&type=store

requires 24v to unlock the brake, and 12v to move the gear head.. what would
you'll suggest doing to power this? (I am not not versed in power supplies..
as far as building one, so any inexpensive solutions?)

thanks-Lee