[sdiy] Power question

[Paul Perry]

At 06:28 PM 21/05/01 -0700, Moho Disco wrote:

>If I have a device that draws 12 volts at 500ma, will
>it function perfectly off of an ac adapter that puts
>out 12v at 1000ma?  Am I correct in thinking that it
>will only draw what it needs from the power supply?
>
yes, but....
you need to know whether the gear needs regulated power.
Also, if a tranny is rated 1000ma and you draw less, the
voltage delivered will be 'slightly' higher.
Sometimes this is a problem.

paul perry melbourne (currently getting a measured 15v from
a nominally 10v plugpack)