On 15 June 2012 18:40, Kirk Wallace <kwall...@wallacecompany.com> wrote:

> 48 Volts or rather -48 Volts DC is common for telephone equipment, so
> there may be cheap supplies available, if one knows where to look.

Very cheap indeed are these "fruit machine" power supplies:
http://www.ebay.co.uk/itm/261031048815
With 10A at 50V they look like a potentially very useful CNC supply.

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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