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A 120 mm variable speed fan. If they use fans at all, quiet PCs typically use larger-than-usual low-speed fans with quiet-running motors and bearings. The 120 mm size is common, and 140 mm fans are used where cases or heat sinks allow them. Quiet fan manufacturers include Nexus, EBM-Papst, [30] Yate Loon, Scythe, [31] and Noctua. [32]
Continuous running extractor fans run continuously at a very slow rate, running fast when necessary, for example when a bathroom light is switched on. At working speed, they are just normal extractor fans. They extract typically 5 to 10 l/sec at continuous speed and use little electricity, 1 or 2 watts, for low annual cost.
Noisy machines can be more than a nuisance; over time, they can cause hearing loss. Husky’s Silent Air Compressor reaches 65 decibels at its loudest, which is quieter than many other compressors ...
This technology was also introduced on "e-stepping" Opterons, however it is called Optimized Power Management, which is essentially a re-tooled Cool'n'Quiet scheme designed to work with registered memory. Cool'n'Quiet is fully supported in the Linux kernel from version 2.6.18 onward (using the powernow-k8 driver) and FreeBSD from 6.0-CURRENT ...
A fast measurement (green line) is quicker to react. It will take approximately 0.6 seconds to reach 80 dB and just under 1 second to drop back down to 50 dB. F may be more suitable where the signal is less impulsive. [citation needed] The decision to use fast or slow is often reached by what is prescribed in a standard or a law.
Tears were running down my face as I saw people looking at me, wondering what was going on. It wasn't just any locket that I'd lost. My mom, who died of cancer when I was 7, had left the locket ...
Louis, Charlotte, and George’s attendance at the carol service marks their first public appearance in six months. They were last seen at Trooping the Colour this past June.
Fan noise: High-performance fans running at maximum speed used for the required degree of cooling of an overclocked machine can be noisy, some producing 50 dB or more of noise. When maximum cooling is not required, in any equipment, fan speeds can be reduced below the maximum: fan noise has been found to be roughly proportional to the fifth ...