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Gear / Technical Help => Remote Power => Topic started by: AT853rxwh on May 24, 2004, 09:53:37 PM
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Think it was Fozzy that was running it, but I remember reading that the regulator in the UA-5 took 8v-38v?
Anyone else running 7.2v batt on their ua-5?
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i've only run 9-12v to the ua-5. i don't think it would work off 7.2, i could leave my battery on, and see how low it goes checking the voltage. if i have time i'll do that tomarrow. peace.
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I believe there is a thread in the archive that explains the voltage re(8-12 i think). I run on 9.6 cause that was what was reccomended and readily available. The current draw with phantom power is 450 mA.
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It may work for a little bit since a fully charged 7.2V would be over 8V...but as it starts to discharge not sure if it would work once it gets under the 8V mark.
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Found the thread, it was hiding in the 12v ua5 thread
http://www.taperssection.com/yabbse/index.php?board=25;action=display;threadid=18442 (http://www.taperssection.com/yabbse/index.php?board=25;action=display;threadid=18442)
So the big question is does the phantom work at 7.2v?
I would think that running it at the lower voltage would be better as the regulator wouldn't have to generate any heat regulating the voltage down...
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Just saw this but yea i was running mc012's > UA5 > jb3. Should have my 481's in a few days so i will be doing some more testing.
Phantom power is on. i can run up to 3 7.2v packs at a time with my current power cable hack and hot swap them at will. I have 4 new 3400mAH packs and 3 1500 packs that are thrashed. I have got 6+ on the old packs and 20+ on 3 of the new packs. I also use Dean's plugs instead of the standard RC pack plugs.
I also have a 4pin cable for any situation that requires a SLA that i have never used in the field.
let me know if you want some better pics
(http://img25.photobucket.com/albums/v75/fozzy-/UA5-open.jpg)
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+t Fozz! Thanks for the info!
What meter is that btw?
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monitor is a SVU-1 running line out on the UA-5. Right angle mini optical on the left. Y cables splitting the Line out cable to an additional set of RCA's outs for patchers.
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Team SVU-x all the way, baby!
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4hrs and going w/ the 481's on a single 3200mah 7.2v. I am concluding that 7.2v works w/ my new config as well.
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T+ fozzy I like that notebook setup.
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T+ fozzy I like that notebook setup.
Works great in my backpack w/ a laptop pouch. I stole the idea from someone here
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I'm running a test now on a 1500mah 7.2v RC batt I had lying around... I wanna be able to power the UA-5 for single band nights with something more portable than a 12v.... we'll see how long that can last... 1 hour so far with no problems and the optical is still powered and workin' fine.
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I think i was getting b/w 1-2 hrs on an old and busted 1500, ~6 on the three pictured above. I now run 4 3400 or 3200 ( i forget) 7.2 volt batts. FWIW the batteries have always been peak charged.
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Yup, it stopped at about 75 mins.... that's no good. I'll try charging for twice the amount of time.. I don't really care if I fuck up the battery.. it's old news.
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Why not just get a 3mAh 9.6v RC? It'll last you 5 1/2 hours of solid taping time w/phantom...
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Yeah, I'm considering that... but it would mean buying a new charger... I don't really trust my current charger which just has an egg timer deal on it.... it's not a peak charger or anything.