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Interesting that retail Vraptor is so much louder then the beta.

at 3mm the noise is measurably different but at several feet that difference would be much less noticeable.

A proper noise test should be at least 1 foot away but 1 meter is a more common measuring distance. Unfortunately doing so requires a quieter environment and more expensive sound meter than some people are willing to provide.

Often a tech review site will buy the first SPL meter they find under $100 and call it good. Most of those units have a noise floor in the 35 to 40 decibel range. With a little more effort you could find a better SPL and have more respectable numbers in the review.

These are some products I googled up one night:

Min dBA Price Brand/Model
35		25 SCOSCHE SPL1000

30	   100 (Unknown brand) AR824 Multi-Range Sound Level Meter
30	   100 Nady DSM-1 Digital SPL Meter

26	   275 Extech 407738 Sound Level Meter with Memory

Since Storage review shows a WD Green Power drive at 35.9 dBA I'm going to guess they have a SPL meter that won't read below 35 dBA reliably. As a comparison SPCR tested a Green Power drive from 1 meter and got 19 to 21 dBA. That requires a much quieter room and a much more expensive sound meter but it also gives results that aren't skewed by having a mic 3mm away from the drive.

I hope that makes sense. I don't mean any disrespect to storagereview but I thought you and the other readers here should know...

Edited by dhanson865

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Yes, some of us are well aware of the differences. SR is deliberately trying to capture near-field noise only, probably due to both personal preference as well as limitations of the environment and testing equipment. SPCR's new hemi-anechoic chamber is... impressive.

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