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Old 20th October 2013
Gear Head

I’m considering buying an UPS to put in my studio room to secure my synthesizers. Is there something I need to be aware of if I want this? Can they affect sound of analog gear?
Old 20th October 2013
Lives for gear

Well the purpose of a UPS is...what it stands for...Uninterruptible Power Supply. To each their own, but I generally don't think I need to keep my synths turned on when the power goes out.

If you are instead looking for surge protection, and want to be real serious about it...I would consider meter based surge protection, from your power company. This will be a lot better than a stack of Wal-Mart $20 surge protectors, and costs less than $10 a month (depends on the level of insurance you want to carry).

As far as sound concerns, it should not make a difference.
Old 20th October 2013
Lives for gear

I don't think that UPS' are made for anything other than a computer - the basis of which was to provide a few minutes to back up/save work in the event of a power-outage and/or to keep servers running for a longer period of time in a black-out.

As above; a decent surge protect and/or power conditioner is a far better choice for synths.

Also, if you do get a UPS - I don't think you're supposed to ever plug in things like amps, speakers or CRT monitors as they draw too much of a surge when you power-on!
Old 21st October 2013
Well first get one for at least the load you intend, analogue earthing/grounding can be an issue if you don't plug your synths everything into the ups.

Most low end ones <1000Va are not fully isolated or even line interactive - in other words if the mains is within spec the ups output is directly mains with no filtering. Higher end models like 'double conversion' and multiphase 'online' (20KVa+) have very, very extensive filtering and put out better AC than your utility ever can!

Sounds like you're just after some protection look at some used computer rack type 1KVa at minimum, those are of at least decent quality. Those cheezy 500Va 'personal' ones are pretty much no better than a power strip with a battery.
Old 21st October 2013
Lives for gear
Xero's Avatar
ups isn't really going to protect your synths any more then a good surge protector is it? maybe some have extra protection in them but otherwise I imagine they have a surge protection rating just like any surge strip does. If anything, a ferroresonant line conditioner might be useful in an audio setup, to help remove noise from the power lines.

Something like this, where it's a big giant iron transformer for smoothing out the power:
UPSShape Line Tamer PCLT 150 AC Conditioner Ferroresonant Transformer F Audio Equip | eBay

And yes there are things about UPS to be aware of - some UPS output square wave or modified-sine power, the former isn't suitable for many things, and the latter is maybe fine for computer power supplies, but probably not analog synths! You want a pure-sine output UPS for sure!

I have a UPS in my setup but it's only for my computers. My synths just have lots of surge protection, and they get completely turned off at the power strip level when they're not in use, using one of those belkin remote control power strips.
Old 21st October 2013
Deleted User
The ones that can handle the power use a fan. A basic surge protector is enough.
Old 22nd October 2013
Gear Maniac

Originally Posted by occurrence View Post
I’m considering buying an UPS to put in my studio room to secure my synthesizers. Is there something I need to be aware of if I want this?
What is meant by secure? A UPS provides temporary and 'dirty' power during a blackout. Other anomalies include harmonics, frequency variation, noise, sags, floating ground, surge, EMI/EMC, power factor, or open neutral. An adjacent UPS does not address these. Some are made irrelevant by what is already inside electronics. Long before you can 'secure' something, first define what 'secure' means. What anomaly do you want to address? No one device solves them all.

A UPS typically outputs some of the 'dirtiest' power seen by electronics. Often power so 'dirty' as to be potentially harmful to electric motors and power strip protectors. Due to superior protection already inside electronics, that same power is also sufficient for electronics. Another example of why some anomalies are best and already solved inside electronics.
Old 25th October 2013
Originally Posted by westom View Post
..A UPS typically outputs some of the 'dirtiest' power seen by electronics. Often power so 'dirty' as to be potentially harmful to electric motors and power strip protectors..
Yes that is true of cheap small models, however the "real" ones have much better AC output than your power company.

For all intents and purposes I agree those small ups are basically crap dirty half-wave rectified and worse than a power strip.
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