Difference between revisions of "Revox B 740"

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== Daten ==
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== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein'''
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'''General'''
* Hersteller: [[Revox]]
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* Manufacturer: [[Revox]]
* Modell: B 740
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* Model: B 740
* Baujahre:
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* Type: Stereo power amplifier
* Hergestellt in:
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* Years of manufacture: 1976 - 1983
* Farbe:
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* Manufactured in: Switzerland
* Typ: (Mono/Stereo/Mehrkanal) (Digital/Analog)
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* Color: Silver / Grey
* Fernbedienung:
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* Remote control:  
* Leistungsaufnahme: 100... 800VA
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* Power consumption: 800 W max.
* Abmessungen: (B*H*T) 450*151*357mm
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* Dimensions (WxHxD): 450 x 151 x 357 mm
* Gewicht: ca. 20kg
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* Weight: 20 kg
* Neupreis ca.:
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* Original price approx.: 3'500 DM
  
  
'''Anschlüsse'''
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'''Connections'''
* Anzahl der Eingänge (Eingangsimpedanz : 50kW):
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* Inputs:
** Cinch, XLR
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** Aux:  
* Anzahl der Ausgänge:
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*** Cinch: 1 V (50 kOhm)
** hier die Ausgänge aufzählen
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*** XLR:
 +
* Outputs:
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** 2 pairs of speakers: DIN jacks or binding posts
 +
** Headphones: 11.9 V, 100 Ohm (jack)
 +
* Protective circuits: Overload (electronic)
  
  
'''Technische Daten'''
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'''Technical Data'''
* Dauerleistung (bei Klirrfaktor)
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* Continuous power (at distortion factor)
** 8 Ohm: 2*100W
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** 8 Ohm: 2x 100 W (RMS, 20 - 20'000 Hz)
** 4 Ohm: 2*175W
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** 4 Ohm: 2x 175 W
* Dynamikleistung
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* Dynamic power
** 8 Ohm: 2*125W
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** 8 Ohm: 2x 125 W
** 4 Ohm: 2*200W
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** 4 Ohm: 2x 200 W
* Gesamtklirrfaktor: < 0,1%
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* Attenuation factor: 250 at 8 Ohm
* Dämpfungsfaktor: > 250
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* distortion: 0,1 %
* Frequenzgang: +0 dB/-0,75dB
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* Intermodulation: 0 %, absolutely TIM-free
* Signalrauschabstand:
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* Power bandwidth: 8 Hz to 75 kHz
* Stereokanaltrennung:
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* Frequency response over all: 20 Hz to 20 kHz (+0/-0.75 dB)
* Fremdspannungsabstand: > 100dB
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* Noise margin:
 +
** for low level inputs: &gt; 100 dB
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** for high level inputs: < 100 dB
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* Übersprechdämpfung: >70</100> dB < 100 dB
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* Übersprechdämpfung: >
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* Subsonic filter: - 3 dB at 16 Hz, 12 dB / octave
  
'''Besondere Ausstattungen'''
 
* hier, wenn vorhanden
 
  
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'''Special Features'''
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* 2 large VU meters
  
== Bemerkungen ==
 
Weitere Modelle der gleichen Serie:
 
  
== Bilder ==
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== Remarks ==
[[Datei:Revox-Endstufe B740.jpg]]
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* Other models in the same series:
[[Datei:Revox-Endstufe B740 back.jpg]]
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* [[Revox B 739]]
== Berichte ==
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* [[Revox B 740]]
 +
 
 +
 
 +
== Pictures ==
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* Image: Revox B 740
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[[File:Revox-Endstufe B740.jpg]]
 +
 
 +
 
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* Picture: Revox B 740
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[[File:Revox-Endstufe B740 back.jpg]]
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 +
 
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* Extract from brochure: Revox B 739, B 740
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[[File:Revox B-739-740-Prospekt-1.jpg]]
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 +
 
 +
== Reports ==
 +
* Report at "Mackers": [[https://www.mackern.de/index.php/2016/09/28/revox-b740/]
 +
 
  
 
== Links ==
 
== Links ==
  
[[Kategorie:Endstufen]]
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[http://www.mackern.de/index.php/2016/09/27/revox-b740/  Mackern.de]
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[[Category:Power Amplifiers]]</100>

Latest revision as of 01:46, 21 April 2019

Data[edit]

General

  • Manufacturer: Revox
  • Model: B 740
  • Type: Stereo power amplifier
  • Years of manufacture: 1976 - 1983
  • Manufactured in: Switzerland
  • Color: Silver / Grey
  • Remote control:
  • Power consumption: 800 W max.
  • Dimensions (WxHxD): 450 x 151 x 357 mm
  • Weight: 20 kg
  • Original price approx.: 3'500 DM


Connections

  • Inputs:
    • Aux:
      • Cinch: 1 V (50 kOhm)
      • XLR:
  • Outputs:
    • 2 pairs of speakers: DIN jacks or binding posts
    • Headphones: 11.9 V, 100 Ohm (jack)
  • Protective circuits: Overload (electronic)


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x 100 W (RMS, 20 - 20'000 Hz)
    • 4 Ohm: 2x 175 W
  • Dynamic power
    • 8 Ohm: 2x 125 W
    • 4 Ohm: 2x 200 W
  • Attenuation factor: 250 at 8 Ohm
  • distortion: 0,1 %
  • Intermodulation: 0 %, absolutely TIM-free
  • Power bandwidth: 8 Hz to 75 kHz
  • Frequency response over all: 20 Hz to 20 kHz (+0/-0.75 dB)
  • Noise margin:
    • for low level inputs: > 100 dB
    • for high level inputs: < 100 dB
  • Übersprechdämpfung: >70</100> dB < 100 dB
  • Übersprechdämpfung: >
  • Subsonic filter: - 3 dB at 16 Hz, 12 dB / octave


Special Features

  • 2 large VU meters


Remarks[edit]


Pictures[edit]

  • Image: Revox B 740

Revox-Endstufe B740.jpg


  • Picture: Revox B 740

Revox-Endstufe B740 back.jpg


  • Extract from brochure: Revox B 739, B 740

Revox B-739-740-Prospekt-1.jpg


Reports[edit]

  • Report at "Mackers": [[1]


Links[edit]

</100>