Editing Wangine WFA-220

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== Data ==
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== Daten ==
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{{Navigation}}
'''General'''
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'''Allgemein'''
* Manufacturer: [[Wangine]]
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* Hersteller: [[Wangine]]
* Model: WFA 220
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* Modell: WFA 220
* Color: Silver
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* Farbe: Silber
* Type: Stereo  
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* Typ: Stereo  
* Power consumption: max 1000 watts
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* Leistungsaufnahme: max 1000 Watt
* Dimensions: 422 x 320 x 155 mm (WxHxD)
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* Abmessungen: 422 x 320 x 155 mm (BxHxT)
* Weight: 17,8 Kg
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* Gewicht: 17 Kg
  
  
'''Technical data'''
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'''Technische Daten'''
* Continuous power
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* Dauerleistung
 
** 8 Ohm: 2x 250 Watt  
 
** 8 Ohm: 2x 250 Watt  
4 Ohm: 2x 350 Watt  
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** 4 Ohm: 2x 350 Watt  
* dynamic power
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* Dynamikleistung
 
** 8 Ohm: 2x 350 Watt
 
** 8 Ohm: 2x 350 Watt
 
** 4 Ohm: 2x 500 Watt
 
** 4 Ohm: 2x 500 Watt
* Distortion factor: < 0.015%
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* Klirrfaktor: < 0,015%
* Attenuation factor: 200
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* Dämpfungsfaktor: 200
S/N Ratio: 110 DB
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* S/N Ratio: 110 DB
*Frequency range: 5-200000 Hz
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*Frequenzbereich: 5-200000 Hz
*Bandwidth: 20-25000 Hz
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*Bandbreite: 20-25000 Hz
*Input impedance: 50 K-Ohm
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*Eingangsimpedanz: 50 K-Ohm
*Input sensitivity: 1.2V.
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*Eingangsempfindlichkeit: 1,2V.
  
'''Semiconductor'''
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'''Halbleiter'''
*Fet 4
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*Fet                               4
*IC 10
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*IC                               10
*Transistors 79
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*Transistoren                      79  
*LEDs 138
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*LED´s                            138
*bridge rectifier 3  
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*Brückengleichrichtier              3          
*Diodes 39
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*Dioden                            39
  
  
== Remarks ==
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'''Bemerkung'''
  
The above performance data are original data according to data sheet.
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Die o.g. Leistungsdaten sind original Angaben nach Datenblatt.
I have made my own measurements with 1000 Hz sine input signal:
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Ich habe eigene Messungen mit 1000 Hz Sinus Eingangs-Signal gemacht:
  
* 350 W at 8 Ohm / channel
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* 350 W an 8 Ohm / Kanal
480 W into 4 Ohm / channel
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* 480 W an 4 Ohm / Kanal
  
The measurements were made with a bifilar and pure resistive 1000 W load resistor up to the clipping limit. The power ratings are valid permanently (as long as there is current). They do not change significantly at other frequencies.
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Die Messungen wurden mit einem bifilaren und rein ohmschen 1000 W Lastwiderstand bis zur Clippinggrenze gemacht. Die Leistungen sind dauerhaft gültig (so lange Strom da ist). Die ändern sich auch nicht gravierend bei anderen Frequenzen.
  
This power amp is obviously capable of far more load as well, as it turned out for me. '''For years the WFA-220 runs with me at 2.66 ohms and that also with relatively long and very high levels and that without any problem!!!'' That is already very remarkable with this model.
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Diese Endstufe ist offensichtlich auch weit mehr belastbar, wie sich bei mir herausgestellt hat. '''Seit Jahren läuft die WFA-220 bei mir an 2,66 Ohm und das auch auch bei relativ langen und sehr hohen Pegeln und das ohne jegliches Problem!!''' Das ist bei diesem Modell schon sehr bemerkenswert.
  
 
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[[Kategorie:Endstufen]]
== Pictures ==
 
 
 
== Reports ==
 
 
 
== Links ==
 
 
 
* Wangine WFA 220 stereo power amp, Klaus Pohlig [http://www.klaus-pohlig.de/audiohistory/poweramp/wangine-wfa-220/wangine-wfa-220.htm]
 
* Power Amplifier Tips [http://old-fidelity.de/thread-2903.html]
 
 
 
[[Category:Power Amplifiers]]
 

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