--- In Rob Danielson <> wrote:
>
> Hi Max and Paul--
>
> Thanks for the heads up, Paul. I suppose one could restrict powering
> to the use of a battery sled with 6- 1.2 volt AA NiMH batteries
> connected to the DC coax jack. One would need to be careful about the
> battery polarity though. I see the polarity is not marked by the jack
> on the case or in the manual either.
> http://www.artproaudio.com/downloads/manuals/omusbdualpreps.pdf
>
> Hard to be certain about the input noise performance without a side
> by side comparison with very low noise mics or a 150 ohm input noise
> measurement. Art specs the input noise as " -120 dBu typical (XLR
> balanced, gain @ maximum)" I'm not sure whether this is A-weighted
> or unweighted, Should the unit check-out to be acceptable in terms
> of noise performance, recordists who record ambience in quiet
> locations might be disappointed with its maximum gain of only 48dB.
> This low gain would be further compromised if one's mics were not
> particularly sensitive, like under 10mV/Pa. Rob D.
> --
Many thanks for this input Rob; just the sort of thing I was hoping for!
All the best
Max
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause
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