Difference between revisions of "QED MB 45"

 
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__NOTOC__
 
__NOTOC__
== Daten ==
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== Data ==
 
'''''QED Stereo Headphone Amplifier MB 45'''''
 
'''''QED Stereo Headphone Amplifier MB 45'''''
{{Navigation}}
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{{navigation}}
'''Allgemein:'''
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'''General:'''
* Hersteller: [[QED]]
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* Manufacturer: [[QED]]
* Modell: MB 45
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* Model: MB 45
* Baujahre: 1992 - 1997
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* Years of manufacture: 1992 - 1997
* Hergestellt in: England
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* Made in: England
* Farbe: Schwarz
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* Color: Black
* Typ: Analog
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* Type: Analog
* Abmessungen: 160mm x 55mm x 120mm (BxHxT)
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* Dimensions: 160mm x 55mm x 120mm (WxHxD)
* Gewicht:  
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* Weight:  
* Neupreis ca.: 330,00 DM
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* Original price approx: 330,00 DM
  
  
'''Anschlüsse:'''
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'''Connections:'''
* Anzahl der Eingänge: 2
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* Number of inputs: 2
** 2x Cinch Eingang
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2x Cinch input
* Anzahl der Ausgänge: 4
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* Number of outputs: 4
** 2x Cinch Ausgang
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** 2x Cinch output
** 2x Klinkenbuchse 6,3mm
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** 2x jack socket 6,3mm
  
  
'''Technische Daten:'''
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'''Technical Data:'''
* Verstärker: LM-1877N Monolithic Dual Power Amplifier
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* Amplifier: LM-1877N Monolithic Dual Power Amplifier
* Versorgungsspannung: 12V, 500mA
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* Supply voltage: 12V, 500mA
* Leistungsaufnahme:  
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* Power Consumption:  
* Empfohlene Kopfhörer-Impedanz:
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* Recommended headphone impedance:
* Dauerleistung (bei Klirrfaktor)
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* Continuous power (at distortion).
** 2x 2Watt/Kanal (0,1%)
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** 2x 2Watt/channel (0.1%).
* Frequenzgang:
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* Frequency response:
* Signalrauschabstand: 70 dB
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* Signal-to-noise ratio: 70 dB
* Stereokanaltrennung: 60 dB
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* Stereo channel separation: 60 dB
  
  
'''Besondere Ausstattungen:'''
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'''Special Features:'''
* Lautstärke und Balance über zweistufigen ALPS Poti einstellbar
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* Volume and balance adjustable via two-stage ALPS potentiometer
* Zwei Kopfhöreranschlüsse
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* Two headphone jacks
* Tape-Monitor Schaltung
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* Tape monitor circuit
* Vergoldete Cinchbuchsen
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* Gold plated RCA jacks
  
  
== Bemerkungen ==
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== Remarks ==
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Due to the plastic housing very susceptible to interference from DECT stations.
  
  
== Bilder ==
 
  
== Berichte ==
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 +
== Pictures ==
 +
 
 +
[[File:QED MB45 Front.jpg|800px]]
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''Figure 1:'' QED MB45 Front
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<br>
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<br>
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[[File:QED MB45 Back.jpg|800px]]
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''Figure 2:'' QED MB45 back panel
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<br>
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<br>
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[[File:QED MB45 Recap.jpg|800px]]
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''Figure 3:'' QED MB45 after modification.
 +
 
 +
== Reports ==
  
 
== Links ==
 
== Links ==
  
[[Kategorie:Kopfhörerverstärker]]
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[[Category:Headphone amplifier]]

Latest revision as of 17:29, 6 June 2014

Data[edit]

QED Stereo Headphone Amplifier MB 45

General:

  • Manufacturer: QED
  • Model: MB 45
  • Years of manufacture: 1992 - 1997
  • Made in: England
  • Color: Black
  • Type: Analog
  • Dimensions: 160mm x 55mm x 120mm (WxHxD)
  • Weight:
  • Original price approx: 330,00 DM


Connections:

  • Number of inputs: 2

2x Cinch input

  • Number of outputs: 4
    • 2x Cinch output
    • 2x jack socket 6,3mm


Technical Data:

  • Amplifier: LM-1877N Monolithic Dual Power Amplifier
  • Supply voltage: 12V, 500mA
  • Power Consumption:
  • Recommended headphone impedance:
  • Continuous power (at distortion).
    • 2x 2Watt/channel (0.1%).
  • Frequency response:
  • Signal-to-noise ratio: 70 dB
  • Stereo channel separation: 60 dB


Special Features:

  • Volume and balance adjustable via two-stage ALPS potentiometer
  • Two headphone jacks
  • Tape monitor circuit
  • Gold plated RCA jacks


Remarks[edit]

Due to the plastic housing very susceptible to interference from DECT stations.



Pictures[edit]

QED MB45 Front.jpg

Figure 1: QED MB45 Front



QED MB45 Back.jpg

Figure 2: QED MB45 back panel



QED MB45 Recap.jpg

Figure 3: QED MB45 after modification.

Reports[edit]

Links[edit]