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MP3 SOUND RECORDINGS
Each of these recording have 6 seconds of silence to let you hear the ambient
sound of the room, followed by 10 seconds of the product's noise.
Sound Recordings of PSU Comparatives
HOW TO LISTEN & COMPARE
These recordings were made
with a high resolution, studio quality, digital recording system, then
converted to LAME 128kbps encoded MP3s. We've listened long and hard
to ensure there is no audible degradation from the original WAV files
to these MP3s. They represent a quick snapshot of what we heard during
the review. Two recordings of each noise level were made, one from a
distance of one meter, and another from one foot
The one meter recording
is intended to give you an idea of how the subject of this review sound
in actual use one meter is a reasonable typical distance between
a computer or computer component and your ear. The recording contains
stretches of ambient noise that you can use to judge the relative loudness
of the subject. For best results, set your volume control so that the
ambient noise is just barely audible. Be aware that very quiet subjects
may not be audible if we couldn't hear it from one meter, chances
are we couldn't record it either!
The one foot recording is
designed to bring out the fine details of the noise. Use this recording
with caution! Although more detailed, it may not represent how the subject
sounds in actual use. It is best to listen to this recording after you
have listened to the one meter recording.
The NX-8060 brings
Nexus up to date with the modern competition of high power, 12V-centered, high efficiency power supplies. The NX-8060 has plenty of power for quiet PCs, an excellent cable management system, excellent voltage regulation, high power factor, universal VAC input, and
high ability to deal with low AC voltage conditions (brownouts). The efficiency is very good, component
quality looks decent, and the choice of fan is apropos. In a nutshell, the NX-8060 passes all the power and electrical aspects of performance with flying colors.
Where the unit doesn't quite meet expectations is in the area of acoustics. In the last couple of years, the very best quiet PSUs have achieved a high level of competence. They are not only quiet at idle, but stay extremely quiet even to >200W loads in rising ambient temperatures, which means that they will stay quiet in most systems almost all the time. These include the models listed under Sound Recordings of PSU Comparatives above, and a handful of other models in the Recommended PSUs article. The NX-8060 doesn't quite make it into this select group, because its noise-to-power (or temperature) curve is too linear and too steep: It gets too noisy at too low a load and keeps getting louder as the load is increased. In this regard, the NX-8060 shows its heritage clearly: Almost all the FSP-source PSUs we've tested have similarly linear noise-to-power curves.
In a typical PC built with quiet components, the NX-8060 will probably remain unobtrusive until pressed with demanding applications, especially in hot weather. The intelligent choice of a smooth sounding fan helps quite a bit. To keep the fan from speeding up, this Nexus requires that it's not exposed to too much heat.
We've written often in the past that most systems don't demand anywhere near what many video card manufacturers (and others in the industry) recommend. The various systems profiled on page four of Power Supply Fundamentals were measured to idle at 54W~109W, and to peak under extreme load at 102W~256W DC power demand. (The most powerful of these systems was a "serious gaming rig".) The quiet-seeking PC builder would be well advised to employ the NX-8060 with a system that would demand less than 100W at idle, and preferably, less than 150W at peak. Otherwise, some way of ensuring cooler intake air to the PSU is necessary. If the occasional sally into >30 dBA@1m noise won't be bothersome, then this adivice can be safely ignored.
Our overall assessment: The Nexus NX-8060 is a solid, modern, high performance PSU well worthy of consideration. Its acoustic are basically good, but they are bettered by the best.
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Our thanks to End PC Noise for the Nexus NX-8060 sample.
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SPCR Articles of Related Interest:
Power Supply Fundamentals
Power Distribution within Six PCs
SPCR PSU Test Rig V.4
Seasonic S12 Energy Plus 550 and 660
Silverstone Element Plus ST50EF-Plus
Zalman ZM600 heatpipe-cooled modular PSU
Corsair HX520 & HX620
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this article in the SPCR Forums.
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