12v power supply

savvy

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Hi all, After a simple diagram please. I have a vibracaster that I built and at the moment run it at 9v with a regulated power supply I built. Thing is I would like to run it at 12v. I have a 12v power unit from a laptop that is good but noisy.
Can anyone help me with a diagram to quieten the unit to stop the hiss, maybe some cap's?
Thanks in advance
Barrie
 

Matt_Krush

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A 12V supply from a laptop? how old is that? most are 18vdc...
what is the current rating of that 12v supply?
It may not be enough...or capable of producing its rated output.

How noisey is it at 9vdc?
 

savvy

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Hi all. Thanks for the replies. Power supply is 18 volts and thinking of stepping down to 12v for a Vibracaster I built. Tried it at 9v and works but really thinking 12v could be better as that is how it was designed.
will try it along with my pedal power supply and see how they all go together.
Many thanks.
Barrie
 


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