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That was very helpful, thank you.

Hey all! I've finally assembled enough components to have a functioning rack with some good possibilities. I'm pretty much out of space in my first case. When I look at the calculated power consumption, I see this:

633 mA +12V | 346 mA -12V | 0 mA 5V

I'm using the uZeus power supply from Tiptop Audio, meaning I have at my disposal:

• 2000ma at +12v
• 500ma at -12v
• 170ma at +5v

It seems like I'm quickly approaching the end of the -12v space. However, it looks like I still have a good deal of +12v and all of my +5v.

Now, please forgive my ignorance of electrical engineering - I have two questions:

• If I were to buy another case without a power supply, can I selectively look for modules that only use +12V and +5V?
• Is it possible to convert modules from -12v to +12v? (IE with an adapter?)