naturerecordists
[Top] [All Lists]

Re: Sound Devices 722 battery life

Subject: Re: Sound Devices 722 battery life
From: Lou Judson <>
Date: Sat, 17 Sep 2005 23:05:03 -0700
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:
>> =
>> =A0
>>      =E2=96=AA       =A0Your use of Yahoo! Groups is subject to the Yahoo! 
>> Terms =
of
>> Service.
>>
>>
>
>
>
>
> "Microphones are not ears,
> Loudspeakers are not birds,
> A listening room is not nature."
> Klas Strandberg
> Yahoo! Groups Links
>
>
>
>
>
>
>



________________________________________________________________________
________________________________________________________________________

<Prev in Thread] Current Thread [Next in Thread>
Admin

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the naturerecordists mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU