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Author Topic: UPS Backup Supply - What's your choice?  (Read 2272 times)

Pete Erskine

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Re: UPS Backup Supply - What's your choice?
« Reply #20 on: February 21, 2019, 01:44:17 pm »


I have an APC 1500 for my home network and Unity Intercom server.  The wall box for my FIOS  service has a built in UPS.  Twice since I have moved here, the FIOS network has told me over the TV screen to click OK to replace the 12v battery... a few days later a new battery shows up and I installed it in the wall box and shipped the old one back.

At least once a month there is a short interruption in power and everything hums along (had one at 9 am today!)   Last year The power company shut off service for repairs and 4 hours later restored it.  Since my ups is only loaded to 19% it lasted the entire time.   Worth every penny since I was out of town.  I get text notices when power is off.

On shows I always use ups, mostly Triplet, for equipment which has a long boot time.  Riedel, Freespeak, Helixnet, and every intercom panel on the show.  Several times in my carrier having UPS on the comm system has been fortuitous.  At least the SM can still talk...

Here's a shot of my FIOS fiber box and the server rack.
« Last Edit: February 21, 2019, 01:48:14 pm by Pete Erskine »
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Pete Erskine
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Bob Stone

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Re: UPS Backup Supply - What's your choice?
« Reply #21 on: February 21, 2019, 01:53:21 pm »

Maybe not for the big shows where you've got a flown array and racks and racks of amps...but I wonder how practical it would be to keep a couple of FOH tops on UPS's for smaller shows. Would sure be nice if the venue power kicked out and you could still make announcements. Maybe throw in a few LED PAR's on that as emergency lights too.
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David Sturzenbecher

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Re: UPS Backup Supply - What's your choice?
« Reply #22 on: February 21, 2019, 01:58:27 pm »

Maybe not for the big shows where you've got a flown array and racks and racks of amps...but I wonder how practical it would be to keep a couple of FOH tops on UPS's for smaller shows. Would sure be nice if the venue power kicked out and you could still make announcements. Maybe throw in a few LED PAR's on that as emergency lights too.

It is quite common in installs to have a portion of the sound systems amplification on an emergency generator (HF/MF, no subs)  and an even smaller subset of the amplifiers on UPS's as well.  So that when the emergency generator doesn't kick in you can still make some sort of announcement.
« Last Edit: February 21, 2019, 02:02:34 pm by David Sturzenbecher »
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Dave Garoutte

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Re: UPS Backup Supply - What's your choice?
« Reply #23 on: February 21, 2019, 04:24:05 pm »

Cool,
if you can't solve the problem in 20 minutes, the crowd will leave anyway. :o
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Pete Erskine

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Re: UPS Backup Supply - What's your choice?
« Reply #24 on: February 21, 2019, 06:41:15 pm »

For the Rio Olympics, Riedel Communications did the comm and radio system.  It was 100% backed up including the 40+ high power radio repeaters and simplex radios.
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Michael Storey

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Re: UPS Backup Supply - What's your choice?
« Reply #25 on: February 21, 2019, 08:23:34 pm »

FWIW, it's been my experience that some of the cheap UPS systems that utilize "standby" or "line interactive" topology don't play along well with generators. If you're on generator power often, I'd suggest you purchase an "online/double conversion" UPS, as they seem to be immune to fluctuations in voltage and frequency.

Here's a link to a discussion last year on the subject.

https://forums.prosoundweb.com/index.php/topic,166894.20.html
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Re: UPS Backup Supply - What's your choice?
« Reply #25 on: February 21, 2019, 08:23:34 pm »


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