Difference between revisions of "Bose 901 IV"

(Bj. entsprechend Beitrag 901 V korrigiert.)
 
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== Kurzbeschreibung ==
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== Brief description ==
Die vierte Auflage der schon 1968 vorgestellten [[Bose 901]], einem direkt und indirekt abstrahlenden Lautsprecher, wurde schon zwei Jahre nach dem Vorgänger vorgestellt. Die Lautsprechergehäuse und die HVC-Treiber wurden von der [[Bose 901 III|Serie III]] übernommen.<br />
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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 />
Der Equalizer der Serie IV wurde stark überarbeitet. Der Regelbereich beträgt nunmehr ±8 Dezibel. Optisch unterscheidet er sich durch einen durchgehenden schwarzen Streifen an der Alufront.
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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.
  
== Daten ==
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== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein'''
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'''General'''
* Hersteller: [[Bose]]
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* Manufacturer: [[Bose]]
* Modell: 901 IV
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* Model: 901 IV
* Baujahre: bis etwa 1985.
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* Type: Loudspeaker
* Hergestellt in:
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* Years of manufacture: 1978 - 1985
* Farbe: Nussbaum natur
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* Made in: USA
* Abmessungen: 533 x 314 x 330  (B x H x T)
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* Color: Walnut Nature
* Gewicht: ca. 40 kg (incl. Standfuß)
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* Original price approx.: 2'798 DM (pair, incl. equalizer)
* Neupreis ca.: 2600,- DM (Paar)
 
  
  
'''Technische Daten'''
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'''Technical Data'''
* Bauart: Breitband, Bassreflex, teilaktiv
 
* Chassis:
 
** 9x Konus (HVC-Treiber)
 
* Belastbarkeit (Nenn-/Musikb.): 400 W
 
* Wirkungsgrad:
 
* Frequenzgang:
 
* Übergangsbereiche: entfällt
 
* Impedanz: 8 Ohm
 
  
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[[File:Bose 901 IV-Daten.jpg]]
  
'''Besondere Ausstattungen'''
 
* Standfuß
 
* separater Equalizer, der zwischen Vorverstärker und Endstufe bzw. über Tape-Monitor eingeschleift wird
 
* spezielle HVC-Lautsprecherchassis ("Helical Voice Coil")
 
  
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'''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")
  
== Bemerkungen ==
 
Weitere Modelle der gleichen Serie:
 
* [[Bose 901|901]]
 
* [[Bose 901 II|901 II]]
 
* [[Bose 901 III|901 III]]
 
* [[Bose 901 IV|901 IV]]
 
* [[Bose 901 V|901 V]]
 
* [[Bose 901 VI|901 VI]]
 
* [[Bose 901 VI Limited|901 VI Limited]]
 
  
== Bilder ==
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== Remarks ==
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* Other models of the same series (see link overview)
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* [[Bose 301 II]]
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* [[Bose 501]]
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* [[Bose 601]]
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* [[Bose 901]]
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* [[Bose 901 II]]
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* [[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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 +
 
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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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 +
 
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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."
  
== Berichte ==
 
* Stereoplay Heft 01/1980
 
: "Es ist erstaunlich, welche Klangfülle aus einer so kleinen Box kommt. Besonders beeindruckt hat mich die wuchtige Baßwiedergabe, mit der tiefe Frequenzen körperlich fühlbar werden. Selbst Türen fangen an zu vibrieren und Regale zu klappern. Eine Baßtrommel steht in ihrer vollen Größe im Raum und lässt das Trommelfell erzittern. Neben der enormen Baßwiedergabe fiel mir die übergroße Räumlichkeit auf, die von diesem Lautsprecher kunstvoll produziert wird. Aus einem kleinen Wohnzimmer zaubert die Bose einen Riesensaal. Der Zuhörer glaubt wirklich, mittem im Konzertsaal zu stehen."
 
  
 
== Links ==
 
== Links ==
* [http://www.hifimuseum.de/direct-reflecting-boxen.html Bose 901 im hifimuseum.de]
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* [http://www.hifimuseum.de/bose-2-speaker.html Overview of the 901 variants at hifimuseum.de]
[[Kategorie:Lautsprecher]]
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* [http://www.hifimuseum.de/direct-reflecting-boxen.html Bose 901 at hifimuseum.de]
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[[Category:Loudspeaker]]

Latest revision as of 11:19, 31 May 2019

Brief description[edit]

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 Series III.
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.

Data[edit]

General

  • Manufacturer: Bose
  • Model: 901 IV
  • Type: Loudspeaker
  • Years of manufacture: 1978 - 1985
  • Made in: USA
  • Color: Walnut Nature
  • Original price approx.: 2'798 DM (pair, incl. equalizer)


Technical Data

Bose 901 IV-Daten.jpg


Special Features

  • stand
  • separate equalizer, which is looped in between preamplifier and power amplifier or via tape monitor
  • special HVC loudspeaker chassis ("Helical Voice Coil")


Remarks[edit]


Pictures[edit]

  • Extract from brochure: Bose 901

Bose 901-Prospekt-1.jpg


Reports[edit]

  • Stereoplay issue 01/1980
  • "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."


Links[edit]