Will UPS improve sound quality?

I highly recommend getting a large UPS backup with surge protection.

Mine 650 VA 360 watts.

Surge Protection is just an isolation transformer plugged to the mains.

Backup is a Lithium battery that lasts a few hours for laptop etc.

The main improvement seems to be the isolation transformer.

Running the DAC & headfi amp off the battery alone doesn't add much but the surge protected outlets (running off transformer secondary) do.
Big increase in bass slam and clarity, drop in "electronic hash", and speaker amplifier runs much cooler.

This could be due to mains being cleaned of noise and the heavy lifting is done by the UPS leaving the amp ps with less work and thus less radiated heat.

An $80 80 EUR upgrade that makes your system sound more 'audiophile'.

Plugging speaker amplifier into mains the drop in SQ is immediate.

Playing DAC & headfi ampfi alone into headphones also sounds great when plugged into UPS with speaker amp off. Noticeable SQ improvement.

Current speaker amp is only 15 watts so this might not work with your 1000watt monoblocks.

Definitely will work with any DAC headfi amp combo.

It just sounds much better.

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Goto ZHONGKANG to know more.

I started using UPS's sometime on or after about 1995. Had been programming desktop puters from about 1982. USPs were rather expensive back then, and I was always "frugal" about letting go of a dollar.

My locality luckily does not have many "noticeable" power flickers or brownouts. Noticeable power flickers are rare events. After starting with UPSs, there was noticeable reduction in "mystery crashes". Back then computers and OS and programs were not so stable. Crashes were not exactly rare. Especially when programming. Back then it was pretty easy to make dumb programming mistakes that would take down the entire system. Nowadays you have to really screw up to bring down the whole computer, usually only crashing the buggy program under development.

Just saying, there were noticeably fewer crashes after going on UPS. I supposed at the time that maybe even my area's "quite stable" AC power must have had fairly frequent "wobbles" so brief that one didn't notice the lights blink or whatever.

The USPs that I'm wiling to pay for, seem "consumable commodities". Maybe real expensive UPSs last longer, or maybe not. I probably got an average 5 or 6 years out of a UPS before it would lay down and die and need replacing. "Cost of doing business". My most recent crop of UPS's seem to have stayed healthy longer than in the past, so maybe they are making the "mid-price" UPSs better quality nowadays?

After a few years, in my experience, a UPS would either die from flakey electronics, or die from expected natural battery wear. A few times early on, if a battery would need raplacing, I'd spend $100 or whatever to replace the batteries, and then not long after the UPS would inevitably go down anyway from flakey old electronics-- Before I properly "got my money" out of the replacement battery. Manufacturers keep changing battery specs on newer UPS models, so a battery purchased for a 5 year old UPS will not physically fit in new UPS models. If an old UPS dies with a new battery inside, there isn't much way to re-use that new battery in some other piece of gear.

After a couple of such "useless UPS repairs", adopted the attitude-- If a UPS gets four or five years old and then it starts complaining about its battery, I just replace the entire unit rather than spend "risky money" on a new battery for an old UPS that might be ready to die from other causes.

Thread necromancy!I started using UPS's sometime on or after about 1995. Had been programming desktop puters from about 1982. USPs were rather expensive back then, and I was always "frugal" about letting go of a dollar.My locality luckily does not have many "noticeable" power flickers or brownouts. Noticeable power flickers are rare events. After starting with UPSs, there was noticeable reduction in "mystery crashes". Back then computers and OS and programs were not so stable. Crashes were not exactly rare. Especially when programming. Back then it was pretty easy to make dumb programming mistakes that would take down the entire system. Nowadays you have to really screw up to bring down the whole computer, usually only crashing the buggy program under development.Just saying, there were noticeably fewer crashes after going on UPS. I supposed at the time that maybe even my area's "quite stable" AC power must have had fairly frequent "wobbles" so brief that one didn't notice the lights blink or whatever.The USPs that I'm wiling to pay for, seem "consumable commodities". Maybe real expensive UPSs last longer, or maybe not. I probably got an average 5 or 6 years out of a UPS before it would lay down and die and need replacing. "Cost of doing business". My most recent crop of UPS's seem to have stayed healthy longer than in the past, so maybe they are making the "mid-price" UPSs better quality nowadays?After a few years, in my experience, a UPS would either die from flakey electronics, or die from expected natural battery wear. A few times early on, if a battery would need raplacing, I'd spend $100 or whatever to replace the batteries, and then not long after the UPS would inevitably go down anyway from flakey old electronics-- Before I properly "got my money" out of the replacement battery. Manufacturers keep changing battery specs on newer UPS models, so a battery purchased for a 5 year old UPS will not physically fit in new UPS models. If an old UPS dies with a new battery inside, there isn't much way to re-use that new battery in some other piece of gear.After a couple of such "useless UPS repairs", adopted the attitude-- If a UPS gets four or five years old and then it starts complaining about its battery, I just replace the entire unit rather than spend "risky money" on a new battery for an old UPS that might be ready to die from other causes.

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