I wasn't aware that you needed to transform 120v ac to 120vdc unless of corse your not in U.S. then i would say nevermind
there are probably alot of shop owners in this forum. I own a medium small company (getting bigger monthly) and I am just doing this for a hobby! (ya, I am a sick bastard!
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just started this stuff so I could say keep from being board in the 2 or 3 seconds of spare time I have. and to brush up on my electronics (which I have forgoten almost everything)