Difference between revisions of "Revox Forum B MK IV"

 
 
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Übertragungsbereich : 33Hz...25kHz
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__NOTOC__
Nennbelastbarkeit  : 80 Watt
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== Data ==
Musikbelastbarkeit  : 120 Watt
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{{navigation}}
Nennscheinwiderstand: 4 Ohm
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'''General'''
Schalldruck bei 1W/1m:87dB
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* Manufacturer: [[Revox]]
Bestückung
+
* Model: Forum B MK IV
Tief-Mittelton        200mm
+
* Type: Loudspeaker
Kalotten-Hochton      25mm
+
* Production period: 1993 - 1999
Übernahmefrequenz  : 1,9kHz
+
* Country of manufacture: Germany
Flankensteilheit(dB/Okt):18/16
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* Color: Black or white, piano lacquer
Abmessungen(B*H*T in mm): 230*440*295
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* Dimensions: 440 x 230 x 295 mm (WxHxD)
Gewicht(netto)      : 10kg
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* Weight: 10 kg
 +
* Original price approx.: as discontinued model in 1999 1'400 DM per pair
 +
 
 +
 
 +
'''Technical data'''
 +
* Construction: 2-way
 +
* drivers:
 +
** Woofer: 200 mm (cone)
 +
Tweeter: 25 mm (dome)
 +
* Power handling (nominal / music): 80 W / 120 W
 +
* Efficiency: 87 dB / W / m
 +
* Frequency response: 33 - 25'000 Hz
 +
* Crossover: 1'900 Hz
 +
* Impedance: 4 Ohm
 +
 
 +
 
 +
'''Special Features'''
 +
* Bass reflex port on the back of the speakers that can be closed off with a moulded part
 +
* The closing of the bass reflex port reduces the low frequency level in the range of 40 Hz to 100 Hz by up to approx. 6 dB, with improved impulse behaviour.
 +
 
 +
 
 +
== Note ==
 +
* Other models in the same series:
 +
* Integrated amplifier:
 +
* [[Revox B 25]]
 +
 
 +
 
 +
* Tuner:
 +
* [[Revox B 26]]
 +
 
 +
 
 +
* CD player:
 +
* [[Revox B 22]]
 +
 
 +
 
 +
* Tape Deck:
 +
* [[Revox B 21]]
 +
 
 +
 
 +
* Speakers:
 +
* [[Revox Atrium B MK IV]]
 +
* [[Revox Emporium B MK IV]]
 +
* [[Revox Forum B MK IV]]
 +
 
 +
 
 +
== Pictures ==
 +
* Extract from brochure: Revox Atrium B MK IV, Emporium B MK IV, Forum B MK IV
 +
[[File:Revox Atrium-Emporium-Forum B MK IV-Prospekt-1.jpg]]
 +
 
 +
 
 +
== Reports ==
 +
 
 +
 
 +
== Links ==
 +
 
 +
 
 +
[[Category:Loudspeaker]]

Latest revision as of 08:33, 18 January 2020

Data[edit]

General

  • Manufacturer: Revox
  • Model: Forum B MK IV
  • Type: Loudspeaker
  • Production period: 1993 - 1999
  • Country of manufacture: Germany
  • Color: Black or white, piano lacquer
  • Dimensions: 440 x 230 x 295 mm (WxHxD)
  • Weight: 10 kg
  • Original price approx.: as discontinued model in 1999 1'400 DM per pair


Technical data

  • Construction: 2-way
  • drivers:
    • Woofer: 200 mm (cone)

Tweeter: 25 mm (dome)

  • Power handling (nominal / music): 80 W / 120 W
  • Efficiency: 87 dB / W / m
  • Frequency response: 33 - 25'000 Hz
  • Crossover: 1'900 Hz
  • Impedance: 4 Ohm


Special Features

  • Bass reflex port on the back of the speakers that can be closed off with a moulded part
  • The closing of the bass reflex port reduces the low frequency level in the range of 40 Hz to 100 Hz by up to approx. 6 dB, with improved impulse behaviour.


Note[edit]

  • Other models in the same series:
  • Integrated amplifier:
  • Revox B 25






Pictures[edit]

  • Extract from brochure: Revox Atrium B MK IV, Emporium B MK IV, Forum B MK IV

Revox Atrium-Emporium-Forum B MK IV-Prospekt-1.jpg


Reports[edit]

Links[edit]