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Subject: Re: DC power for recorder V2
From: Fred Maxwell (
Date: 2004-03-03


10V does seem high. You could put a real 700ma load on it and see what
kind of voltage you get.

   Fred Maxwell

Ted Matsumura wrote:
> Fred,
> You're correct. On a related issue, I hooked up the tip and ring to my
> DMM and I'm getting 10V DC (loaded and unloaded). It's not unusual to see
> ~25% variance with unregulated wall warts (our AC wall is 122 VAC), but
> 10VDC is quite high, and I wonder if it's in spec.
> -----Original Message-----
> From:
> []On Behalf Of Fred Maxwell
> Sent: Monday, March 01, 2004 8:34 PM
> To: 'Rockbox development'
> Subject: RE: DC power for recorder V2
> When you say "prongs", are you referring to what plugs into the AC outlet?
> If so, that's unrelated to the DC polarization. The AC is rectified into DC
> and it's unimportant which side of the transformer gets the AC hot and which
> gets the AC neutral.
>>-----Original Message-----
>>From: []
>>On Behalf Of Ted Matsumura
>>Sent: Monday, March 01, 2004 11:21 PM
>>To: Rockbox development
>>Subject: RE: DC power for recorder V2
>>Well mine froze up, but the ac adapter says output 6V DC 700ma, positive
>>tip, very mini plug, don't have a way to measure it now, but seems like
>>or possibly smaller in diameter. It's odd, the adapter is not polarized,
>>both prongs are thin.
>>-----Original Message-----
>>[]On Behalf Of Joel VanLaven
>>Sent: Monday, March 01, 2004 7:46 PM
>>Subject: DC power for recorder V2
>>My sister has one of the version 2 recorders and lost
>>the DC power adapter. I have been unable to find out
>>what the specs of the power adapter are. Could
>>someone who has one let me know what the DC voltage
>>-- Joel
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