The problem is that between the two of us, we have one 12V power supply and one 13.8V power supply... both of which are not particularly variable in their voltage (my 13.8V is not variable at all).
I think pH mentionned using ATX PSUs and connecting them up in parallel, but I'm not sure if we will do that.
Obviously though, 6V is easy to achieve, because all we would have to do is connect the TECs in series.
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Can anyone else here say that they have a watercooled monster that's 45" tall?
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