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Re: Plug-In Power Measurements

Subject: Re: Plug-In Power Measurements
From: "Mike Rooke" picnet2
Date: Wed Jan 13, 2010 2:40 pm ((PST))
Recorder, PIP Voltage, Current when Shorted (tip to gnd).

Edirol R09HR,   2.999V,      1251uA
Korg MR1,               3.2V,       340uA
Olympus LS10,   3.010V, ,  1338 uA
Sony D50,               2.866V,     611uA

-Mike.
Measured with a Fluke 189.

--- In  Robb Nichols <> wrote:
>
> I'd be interested in this as well.  Should people respond to you
> directly, off list? Or are others interested?
>
> To get this started though, see a few examples that were easily at hand
> in-line below.
>
> Regards, Robb
>
> nick_felmicamps wrote:
> >
> >
> >
> >
> > I would like to produce a list of the power provided at the Plug-in
> > Power sockets of a broad range of recorders.
> > This could be published in the Files section and could be of interest t=
o
> > all, and in particular Klas and myself and other manufacturers.
> >
> >
> I had three portable items within reach from my desk:  Zoom H2 recorder,=

> M-Audio transit sound interface (typically used with a netbook), and our=

> UPA-1 waterproof preamp.  Read values below in this respective order.  I=

> didn't check the battery condition on any of these, but I think they
> were all charged inadequately.
> >
> >
> > 1. Maximum voltage available (meter switched to volts) and connected
> > between sleeve and tip or ring
> >
> 2.49, 2.23, 8.58 VDC
> >
> > 2. Maximum current available (meter set to mA or uA) and connected
> > between sleeve and tip or ring
> >
> 1.18, 0.21, 1.27 mA
> >
> > 3. Voltage across a known resistor (ideally around 1000 ohm) connected
> > between sleeve and tip or ring
> >
> 0.79, 0.19, 1.09 VDC
> >
> > 4. Value of that resistor in ohms
> >
> 1K (0.986K measured)
> >
> >
>








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