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Mains filters | DIY-Audio-Heaven
https://diyaudioheaven.wordpress.com/tutorials/power-supplies/mains-filters/
These filters are there to ensure these devices comply to certain rules about emission. Usually the amount of components used is minimised so they can just pass all the tests with the least possible investment in parts. Mains filters are also used in electronic equipment to prevent influence from garbage that could be present on mains. This will depend on what the …
L C Audio Technology / Mains Filter
https://www.lcaudio.com/index.php?page=314
The purpose of this Mains Filter is to prevent RF noise to be carried to the Audio Equipment through the mains supply. It may originate from industrial machines, refrigerators, or other household appliances in the vicinity. The noise will be audible in your system, as a fuzzy sound stage, or pop noises in the loudspeakers.
diyAudio - Mains filtering
https://www.diyaudio.com/archive/blogs/abraxalito/mains-filtering/index.html
Pre-built mains filters are of some use in audio, but they're not really optimised for high-end sound. For audio source components, the draw is normally under 100W and so the current (assuming here 230V supply) is under half an amp. Few if any off the shelf mains filters are designed for such low currents.
Mains Filters - part 1 - Simple passive filters - Audio Misc
http://www.audiomisc.co.uk/mains/filters1.html
Mains Filters for Domestic Audio. Ideally, the mains voltage provide by your wall sockets would (in the UK) be a clean 50Hz sinusoid with an rms size of around 240 Volts. Alas, in practice the voltage will vary, and can be accompanied by interference. This may produce unwanted effects like audible bangs or rasping noises from sources like ...
Anti-RFI filters for the mains - TNT-Audio
https://www.tnt-audio.com/clinica/filter.html
An anti-RFI filter for the mains. Everyone knows that a correct and clean power from the mains is a MUST for any serious HiFi system. Any electromagnetic interference that flows through the mains and reachs your HiFi system can unpredictably affect the overall performance of any component. For this reason, during the last years, we've seen more and more power …
Mains Filter Audio
http://www.electrojumble.org/Connects_013.htm
MAINS IEC Chassis Connector with integral fuse holder RS 489-122 or equivalent: New old stock: 2.90 : PLESSEY MAINS PLUG for AVO and Racal equipments available. See Military Connector Section. HERE : FILTERS: MF100: As MF101: IEC Mains Socket with inbuilt filter. RS 238-429. 6A 250V 50Hz: Unused old stock: 5.90: MF101: IEC Mains Socket with …
DIY: Mains Line/Noise/EMI Filtering | Audio Science …
https://www.audiosciencereview.com/forum/index.php?threads/diy-mains-line-noise-emi-filtering.976/
Seattle Area. Nov 6, 2016. #1. This is probably too technical for most people here but if you are into DIY work this is by far the best video I have seen on basics of line filtering. It explains for example why there are multiple capacitors put in parallel. Why different devices like chokes are used, etc. And he does this in a very intuitive way.
View topic - DIY Audio Mains Filter Projects
http://www.forum.diyhifisupply.com/viewtopic.php?f=4&t=3
DIY Audio Mains Filter Projects. General Hi-Fi audio DIY tips and tweaks. Topic locked. 5 posts • Page 1 of 1. Re: DIY Audio Mains Filter Projects. by brian » Fri Sep 26, 2008 3:43 am . Brian does not mind. In fact I hope more useful stuff like this can be posted. Maybe something of it can be put into production and we'll all get rich.
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