Looking For An Allen & Heath Gs3 Power Supply, bought a GS3 without PSU ! Options

[earworm]

good night everyone,

here's my story,

i bought a GS3 on ebay and it arrived without power supply,
too bad, the original psu is called the MPS9

but the newer model is the RPS11 or RPS11-3c

bad news is that the new price for those prs11's is round €1000

so i'm looking for ANY power supply that might work, and one that doesn't cost this much...

even if you have an old AandH mixer with a PSU that might work, please let me know for how much you'd sell the entire package.

or any stores, websites, people that might be able to help me out,
do you know what different types of PSU's that will work with my gs3?
or what A&H mixers that use a similar psu...

and how much Volt and Ampere does that PSU give? maybe i can find someone who can build me one.

and maybe there is someone interested in buying my console, but then you'll have to find the psu yourself

thanks alot in advance,

jeroen