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Balanced power and UPS ?
Old 18th May 2006
  #1
Gear Head
 
cppi's Avatar
 
๐ŸŽง 15 years
Talking Balanced power and UPS ?

Any pro guys out there running any ups back up's with balanced power condition? In my truck I have a few IT 1220 furman balanced power cond. and I want to put ups battery back up an my RADARS and my back up hard drives. I have been told you can't, only if you run the balanced power after the ups, which will draw more power. Is there any truth to this??

Last edited by cppi; 18th May 2006 at 11:45 PM.. Reason: Bold title
Old 19th May 2006
  #2
Super Moderator
 
Remoteness's Avatar
 
๐ŸŽง 15 years
We don't use balanced power but we do have true sine wave online UPSs on board for the main power and additional backup UPSs for individual components.
Old 24th May 2006 | Show parent
  #3
Lives for gear
 
roonsbane's Avatar
 
๐ŸŽง 15 years
Hey Steve,

What brand of UPS do you use? Last year we installed a 30 amp Falcon sine wave UPS in the studio here at NEC because every once in a while some group performing in the hall will request all the lights off for "effect" on some piece. Then at some point in the piece all the lights in the hall would jump back on. Even though we are on a seperate isolated transformer, it will pull enough juice from the street so that sure enough we will loose power in the studio and trip the UPSfor a moment. Before the Falcon we always used a bunch of smaller UPS. Even though this was half assed it did work. Now everything but the 5.1 powered monitors are plugged into the one 30 amp big momma UPS. We had them oversize it and then bring down the fan speed to kill the noise. Also, no UPS exist at front of house or the amp/patching room. All those big momma amps just take too much juice of course. I would think that you rely on your UPS in a big way while in the truck.

Cameron
Old 24th May 2006 | Show parent
  #4
Gear Nut
 
JazzYoda's Avatar
 
๐ŸŽง 15 years
I use a dual-conversion UPS with sine-wave output as isolation for the entire audio chain. The balanced power transformer has to go 'after' the UPS, otherwise the signal created by the UPS will be unbalanced.
Old 24th May 2006 | Show parent
  #5
Super Moderator
 
Remoteness's Avatar
 
๐ŸŽง 15 years
Elroy has three 30 amp MGE UPSs Each UPS goes to a three breaker distribution block. Each UPS handles a different set of equipment. One handles our video wall, another handles the consoles, DAs, line drivers and such and the third one handles all auxilary gear.
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