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- Cassette_demagnetizer abstract "A cassette demagnetizer is a device that removes the magnetic field that is built up from the use of audio cassettes in a cassette deck. Over time, the passage of magnetically charged cassette tape over the metallic parts of the tape deck will impart a magnetic polarity that can impair the ability of subsequent tapes to record accurately. Cassette demagnetizers (sometimes known as degaussers) were developed to remove this polarity.Cassette demagnetizers of the \"cassette\" type physically resemble a cassette tape shell but contain circuitry to demagnetize the tape heads of the tape deck. Another type of demagnetizer, the \"wand\" type can demagnetize anything that it is brought into contact with, including the tape heads and capstans. Nakamichi manufactured a \"wand\" type demagnetizer in the 1980s. This design had the advantage that it could be used to demagnetize other metal parts of the tape path (not just the actual record/playback heads) however it required careful use (to avoid increasing the magnetization of the heads) and if used too close to actual cassette tapes could inadvertently act as a \"bulk eraser\". Demagnetizers contain electronic circuitry and require a power source—either a battery or a power cord.A third design consisted of a cassette shell with a head cleaning tape wound on the spools and a disc shaped magnet mounted above the head cleaner tape such that when the play button was activated the head cleaner physically cleaned the head surface and simultaneously made the magnet rotate, creating the alternating magnetic field required for demagnetizing.Some cassette deck manufacturers even produced decks with a self demagnetise button. These worked by feeding the record head with a strong high frequency signal which was gradually reduced in amplitude to zero over a few seconds.".
- Cassette_demagnetizer thumbnail Head_Demagnetizer.JPG?width=300.
- Cassette_demagnetizer wikiPageID "3816921".
- Cassette_demagnetizer wikiPageLength "2172".
- Cassette_demagnetizer wikiPageOutDegree "11".
- Cassette_demagnetizer wikiPageRevisionID "363685119".
- Cassette_demagnetizer wikiPageWikiLink Battery_(electricity).
- Cassette_demagnetizer wikiPageWikiLink Cassette_deck.
- Cassette_demagnetizer wikiPageWikiLink Category:Audio_storage.
- Cassette_demagnetizer wikiPageWikiLink Compact_Cassette.
- Cassette_demagnetizer wikiPageWikiLink Degaussing.
- Cassette_demagnetizer wikiPageWikiLink Electronics.
- Cassette_demagnetizer wikiPageWikiLink Magnetism.
- Cassette_demagnetizer wikiPageWikiLink Nakamichi.
- Cassette_demagnetizer wikiPageWikiLink Tape_head.
- Cassette_demagnetizer wikiPageWikiLink Tape_transport.
- Cassette_demagnetizer wikiPageWikiLink File:Head_Demagnetizer.JPG.
- Cassette_demagnetizer wikiPageWikiLinkText "Cassette demagnetizer".
- Cassette_demagnetizer wikiPageWikiLinkText "cassette demagnetizer".
- Cassette_demagnetizer wikiPageUsesTemplate Template:Unreferenced.
- Cassette_demagnetizer subject Category:Audio_storage.
- Cassette_demagnetizer hypernym Device.
- Cassette_demagnetizer type Device.
- Cassette_demagnetizer type Document.
- Cassette_demagnetizer type Document.
- Cassette_demagnetizer comment "A cassette demagnetizer is a device that removes the magnetic field that is built up from the use of audio cassettes in a cassette deck. Over time, the passage of magnetically charged cassette tape over the metallic parts of the tape deck will impart a magnetic polarity that can impair the ability of subsequent tapes to record accurately.".
- Cassette_demagnetizer label "Cassette demagnetizer".
- Cassette_demagnetizer sameAs Q5049320.
- Cassette_demagnetizer sameAs m.0b1g8q.
- Cassette_demagnetizer sameAs Q5049320.
- Cassette_demagnetizer wasDerivedFrom Cassette_demagnetizer?oldid=363685119.
- Cassette_demagnetizer depiction Head_Demagnetizer.JPG.
- Cassette_demagnetizer isPrimaryTopicOf Cassette_demagnetizer.