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Re: Batterygeek BG10-14-88

Subject: Re: Batterygeek BG10-14-88
From: "Paul Jacobson" thebrunswicktwitcher
Date: Tue Dec 4, 2007 6:19 am ((PST))
Just a quick update on my run time tests with the BG 10-14-88. I  
restarted the test with a full charged battery pack after I realised  
powering the hdp2 via firewire to download a couple of test files may  
have recharged the pack slightly.

For the second attempt I simply let the recorder run (with same setup  
as described below) only stopping on 2-3 occasions to delete record  
files to free up space on the CF card. The recorder eventually shut  
down 25 hours 43 minutes after I started recording. Battery levels  
initially read 12.34V, dropping to 11.41V after 10:30 elapsed, then  
Message: 10.
Subject: 98V at 19:51 elapsed, 10.12V at 25:01 elapsed, then hit the 8V low  
voltage trigger point at 25:43 elapsed.

Obviously runtime is going to be determined by the power consumption  
of the recorder and mics (and preamp if used), but I'm pretty pleased  
with the how long the pack was able to power my setup.


On 03/12/2007, at 10:27 AM, Paul Jacobson wrote:
> I left the HDP2 record over night with a pair of AT3032's hooked up
> and phantom power on, gain at 9.5 and recording stereo 16bit/44.1kHz.
> I also had a pair of HD280 headphones plugged in and set at half
> volume - which is where I normally run them. Display backlight was
> off. I'd had the recorder switched on but not recording for an hour
> prior to running the record test. This morning when I checked the
> record time was 11 hours 35 min, and the battery was putting out
> round about 11.20-11.34 volts. The power level meter on the battery
> was showing 3/4 full(which I suspect is wildly optimistic). I've
> since spent about 20 minutes recording pink noise.  I've deleted the
> existing recordings and will see how much longer i get before shut  
> down.

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