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| − | __NOTOC__
| + | ==Kurzbeschreibung== |
| − | == Brief description == | + | Die vierte Auflage der [[Bose 901]] wurde schon zwei Jahre nach dem Vorgänger vorgestellt. |
| − | The fourth edition of the [[Bose 901]], a direct and indirect radiating loudspeaker introduced as early as 1968, was introduced just two years after its predecessor. The speaker enclosure and HVC drivers were taken from the [[Bose 901 III|Series III]].<br />
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| − | The equalizer of the Series IV was heavily revised. The control range is now ±8 decibels. Visually, it differs by a continuous black stripe on the aluminum front.
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| − | == Data == | + | ==Technische Daten== |
| − | {{navigation}}
| + | Die Lautsprechergehäuse und die HVC-Treiber wurden von der [[Bose 901 III|Serie III]] übernommen.<br /> |
| − | '''General'''
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| − | * Manufacturer: [[Bose]]
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| − | * Model: 901 IV
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| − | * Type: Loudspeaker
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| − | * Years of manufacture: 1978 - 1985
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| − | * Made in: USA
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| − | * Color: Walnut Nature
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| − | * Original price approx.: 2'798 DM (pair, incl. equalizer)
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| | + | Der Equalizer der Serie IV ist stark überarbeitet. Der Regelbereich beträgt jetzt stolze +/- 8 Dezibel. |
| | + | Optisch unterscheidet er sich durch einen durchgehenden schwarzen Streifen an der Alufront. |
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| − | '''Technical Data'''
| + | ==Weblinks== |
| − | | + | * [[Bose|Bose in diesem Wiki]]; |
| − | [[File:Bose 901 IV-Daten.jpg]]
| + | * [https://de.wikipedia.org/wiki/Amar_G._Bose#Leben Erläuterung des Prinzips in Wikipedia-Artikel über A. Bose]<br /> |
| − | | + | <br /> |
| − | | + | [[Kategorie: Lautsprecher]] |
| − | '''Special Features'''
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| − | * stand
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| − | * separate equalizer, which is looped in between preamplifier and power amplifier or via tape monitor
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| − | * special HVC loudspeaker chassis ("Helical Voice Coil")
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| − | == Remarks == | |
| − | * Other models of the same series (see link overview)
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| − | * [[Bose 301 II]]
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| − | * [[Bose 501]] | |
| − | * [[Bose 601]]
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| − | * [[Bose 901]]
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| − | * [[Bose 901 II]] | |
| − | * [[Bose 901 III]]
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| − | * [[Bose 901 IV]]
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| − | * [[Bose 901 V]]
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| − | * [[Bose 901 VI]]
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| − | * [[Bose 901 VI Limited]]
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| − | == Pictures ==
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| − | * Extract from brochure: Bose 901
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| − | [[File:Bose 901-Prospekt-1.jpg]]
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| − | == Reports ==
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| − | * Stereoplay issue 01/1980
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| − | * "It is amazing what sonority comes out of such a small speaker. I was particularly impressed by the powerful bass reproduction, with which low frequencies become physically tangible. Even doors start to vibrate and shelves to rattle. A bass drum stands in its full size in the room and makes the eardrum tremble. Besides the enormous bass reproduction I was struck by the oversized three-dimensionality artfully produced by this speaker. From a small living room the Bose conjures up a giant hall. The listener really believes he is standing in the middle of a concert hall."
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| − | == Links ==
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| − | * [http://www.hifimuseum.de/bose-2-speaker.html Overview of the 901 variants at hifimuseum.de]
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| − | * [http://www.hifimuseum.de/direct-reflecting-boxen.html Bose 901 at hifimuseum.de]
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| − | [[Category:Loudspeaker]] | |