All forms of electromagnetism are resonant, which means that they can generate spurious emissions at certain frequencies. Considering that standard AC line voltage is modulated at a rate of 60 cycles per second, you can end up with additional transmissions at any of the natural harmonics along the 60Hz route. Electrical harmonics filters can help to eliminate most of the noise that these systems generate.
Imagine that someone was attempting to record a podcast from their home. Some noise, such as the slippery noises created by being too close to a microphone, could be stopped with a sponge or a de-esser. These components won’t do much, however, to stop electrical noise. The same goes for those who are installing high-end stereo equipment in their homes or offices.
Audiophiles often aren’t sure what causes their prized record of the tango to sound more like a hissing snake, and often attribute it to dirt on the stylus. The real problem is related to wave harmonics getting picked up by the transmission and sound lines attached to the hi-fi set. By installing solid electrical harmonics filters to each wire, you won’t have to worry as much about these sort of noises ruining the reproduction of high-end recordings.
Chargers for laptops and cellular handsets generate a lot of electrical noise as well, and these can do so on multiple harmonics. Use of these filters is especially important around them, which is why they’re so common in computer labs and other technical installations.
Check out https://www.continentalpowercorp.com for more information on electrical harmonics filters.
