Voodoo Lab

It's a GFI System Wavelogic MkII- discontinued and not very well known. From the manual: "WL-MKII is powered using an external +12VDC power source capable of delivering 250 mA of current. If a 12VDC power source is not available, you can use a regulated 9VDC power source, with a slight reduction in ...

I am trying to power a pedal that requires 12v / 250 mA using the PP2+ and have two questions... 1. If I use a current doubler on 5+6 with switches set away from normal, will the unregulated supply lead to sending a higher voltage than 12v to the 250mA pedal, and should I be concerned about this? 2....