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Subject: RE: Question about rockbox charger
From: Chuck Urwiler (
Date: 2004-09-21

Is there any simple way to tell if a power supply is regulated by looking at
it or measuring it with a meter? Obviously if it's not marked as such, I

I've got a bunch laying round here (probably like most of you guys <g>) and
wondering which are "better" than others, as I'm figuring a regulated supply
is safer for most devices than unregulated (I think I remember what that
means, but it's been a long time since I had an EE class...)


> -----Original Message-----
> From: []
> Behalf Of Linus Nielsen Feltzing
> Sent: Tuesday, September 21, 2004 8:00 AM
> To: Rockbox development
> Subject: Re: Question about rockbox charger
> If it is a regulated supply, you should set it to 12V. If it isn't, I
> wouldn't recommend using it, because it might overheat your jukebox. You
> can try at your own risk, with the 9V setting.
> However, since you can select the voltage, it is likely regulated.


Page was last modified "Jan 10 2012" The Rockbox Crew