Real world, on a 744T, the 1500 mAHr battery that comes with it runs 90
minutes or so. 6600 Sony battery about 6 hours, recording 2 channel
with phantom on. I got two of the big batteries for daylong recording.=20
And an external charger.
Lou
Lou Judson o Intuitive Audio
415-883-2689
On Sep 17, 2005, at 9:37 PM, Ed Anson wrote:
> Allen,
>
> The battery life depends to a great extent on a variety of factors.
> Here is a quote from Sound Devices' FAQ
> http://www.sounddevices.com/tech/7-faq.htm
>
>> Runtime tests are still being performed and we haven't yet figured out
>> what "typical" usage means, but fully loaded usage at the highest bit
>> rate with four inputs, outputting timecode, writing to a 4200 rpm HD
>> is less than 1 A (@ 7.2 V). This means that the included 1500 mAh
>> on-board battery can deliver at least 1.5 hours and the large 5000 mAH
>> Sony batteries will perform quite well. Don't forget that the unit can
>> easily be powered by typical bag power solutions.
>
> Of course, you can increase battery life by using fewer inputs,
> recording only to CF, turning the displays down (or off), and using
> lower sampling rates or bit depth. I haven't seen any specific data on
> the maximum achievable, and my own usage has never taken me anywhere
> near the limit. [But I can easily fill a 1GB CF before I worry about
> power.]
>
> Ed
>
>
> On Sep 17, 2005, at 11:25 PM, Allen Cobb wrote:
>
>> Can anyone give me a rough recording-time for the Li-Ion battery
>> in the Sound Devices 722 digital recorder, recording to hard
>> disk (and also to CF card)?
>>
>> Thanks -- This will be much appreciated.
>>
>>
>>
>> Allen Cobb
>>
>> http://acobb.com
>> http://shakespeare.acobb.com
>> http://timbreproductions.com
>>
>>
>>
>>
>>
>> "Microphones are not ears,
>> Loudspeakers are not birds,
>> A listening room is not nature."
>> Klas Strandberg
>>
>>
>> YAHOO! GROUPS LINKS
>>
>> =E2=96=AA =A0Visit your group "naturerecordists" on the web.
>> =A0
>> =E2=96=AA =A0To unsubscribe from this group, send an email to:
>> =
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>> Terms =
of
>> Service.
>>
>>
>
>
>
>
> "Microphones are not ears,
> Loudspeakers are not birds,
> A listening room is not nature."
> Klas Strandberg
> Yahoo! Groups Links
>
>
>
>
>
>
>
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