Protecting my gear: UPS, voltage regulator, etc?
I’ve been doing some research on what to get to protect my gear (computer, cassette deck, VCR, TBC) from voltage spikes, but I’m a bit confused. I get that a UPS is a good idea for my computer, but what is best for the other gear? I heard some talk of a voltage regulator being the best idea for the audio/video gear, but is that needed in addition to a UPS?
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Gear can be very expensive and is not easily replaced. Spending a bit more to protect it from the unexpected is a very wise move.
Not an expert, haven't done a lot of research. But I did spend about $100 on a CyberPower which includes AVR (Automatic Voltage Regulation). So I guess I already have a voltage regulator included? My understanding of how this UPS works is it gives you stable 120 V 60 Hz AC independent of the power to the UPS, and does what some might think a surge protector would do, but doesn't. The battery is there when the voltage is dipping too low or gone altogether, and gives you time for a proper shut down. It helps to know how much power you are drawing, so you know how much of a power rating you need from your UPS. So look at the volt/amp/watt ratings on your gear to see what you need. I went more minimal, and just protect the things that are not big power consumers and/or are old equipment that's not easily replaced. A big stereo amp could be a huge power consumer, so I didn't include that. I'd hate to lose it, but it's not so irreplaceable or rare as these SVHS VCRs or Time Base Correctors. |
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If price is no object, the cleanest UPS is a so called "double conversion" UPS that does AC-to-DC-to-AC conversion in the unit. It regenerates a clean 120V 60Hz AC true sine wave power no matter what the power source is (wall or battery), even during switches from line to battery.
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I use several of the Cyberpower CP1500AVRLCD. It has the AVR and the battery backup. Great units.
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See. https://www.amazon.com/CyberPower-CP...language=en_US That Amazon page also lists some slightly cheaper ones, down to about $110, if you want to shave some dollars, and think you can get away with a 500W instead of the 900W that we use. I do use a 850VA LCD on a smaller setup as well. It all depends on how much wattage x battery life is needed (aka, how many items, and the watt rating of each, will be plugged in at once). Also realize you can plug power strips into a UPS, you're not limited to the 2-3 battery plugs. |
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https://www.amazon.com/Tripp-Lite-Do...15&sr=8-4&th=1 I have never used a Tripp Lite UPS but have heard good things. If you are a tinker type of person I would check ebay for either an Eaton/Powerware 9130 or 9125. Both of these units you can usually find in the $100-$200 range and when new sold for north of $1000. Most would need batteries but take standard 7 Ah batteries that can be found anywhere. |
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I currently have a CyberPower CP1000PFCLCD
https://www.amazon.com/CyberPower-CP...language=en_US I’ve done a deep-Dive into research on simulated sine wave vs true sine wave. Simulated is fine for most electronics, but A/V gear can sometimes be sensitive to that and true sine wave is the way to go. https://blog.tripplite.com/pure-sine...ave-explained/ I’m thinking of picking up the 1500VA model for $200 as well. I’d put all my A/V gear (WinXP machine, VCRs, TBC, cassette deck) on the 1000VA, and my main computer on the 1500VA. |
Pure sinewave is mostly for power supplies that require it, specifically most modern desktops. For A/V gear, or legacy systems, it really makes no difference.
I'd not get anywhere near a Tripplite product, nor an APC. Something about APC can react badly to modern power grids, and on our last move some years ago, they all blew within months. All were replaced by Cyberpower, and no issues since. APC is definitely lower quality than Cyberpower, and too often have component failures, even before the batteries needed replacing. Tripplite was always the "value brand" of surge protectors, and is a latecomer to UPS. |
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As far as brands, I've used cyber power and apc, but have recommended tripplite, leibert, and eaton to others who were happy with them. Generally, I get only high end units, but have a few cheap ones too. I generally buy mine open box at substantial discounts ($1000 units for $200). APC is the only brand I have any long-term experience with and their newer units seem cheaper than their older ones in the lower range. But their rack units are still top of the line, as are those from other brands like cyberpower. |
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