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30V AC Wall Wart
Posted:
Thu Jul 10, 2014 5:47 pmby jkhuri44
Hi Guys,
Does anyone know if there exists 30V ac wall warts (not DC)
i've built a headphone amp which requires this i think it draws max 500mA or less, but i cant remember....
buis there anything in wall wart format with this voltage??
Re: 30V AC Wall Wart
Posted:
Fri Jul 11, 2014 6:38 amby Alastair Reynolds
Not something you'll find easily if at all. Buy a small toroidal from Jaycar or Altronics and stick it in a box.it will be quieter and give better regulation that any wall wart ever will.
Re: 30V AC Wall Wart
Posted:
Fri Jul 11, 2014 9:24 amby jkhuri44
i've seen only 1 thing saying that old printers use 30V ac wall warts, but that will be far and few between...
guess i'll be taking it back to a tech to wire up for mains. haha.
Re: 30V AC Wall Wart
Posted:
Fri Jul 11, 2014 9:33 amby chris p
I think Jaycar et al have 15-0 + 15-0 transformers which wired in series would give 30V AC power.
As always there is a JLM kit -
http://www.jlmaudio.com/shop/index.php?_a=viewProd&productId=13
Re: 30V AC Wall Wart
Posted:
Fri Jul 11, 2014 9:43 amby jkhuri44
that would still require mains work, so i'm just gonna give it back to the tech and have him chuck in a regular torroidal....once i do the metalwork for it.