Editing Heco Professional 550

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== Data ==
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== Daten ==
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{{Navigation}}
'''General'''
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'''Allgemein'''
* Manufacturer: [[Heco]]
 
* Model: Professional 550
 
* Type: Loudspeaker
 
* Years of manufacture: 1978 - 1979
 
* Manufactured in: Federal Republic of Germany (West Germany)
 
* Color: Walnut, Black
 
* Dimensions: 460 x 290 x 220 mm (HxWxD)
 
* Weight: 9.5 kg / piece
 
* Original price approx.: 430 DM
 
  
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* Hersteller: [[Heco]]
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* Modell: Professional 550 / Pro 550
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* Baujahre:
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* Hergestellt in:
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* Farbe:  schwarz
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* Abmessungen: 48 x 29 x 25 cm (H x B xT)
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* Gewicht:  9.5 Kg
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* Neupreis ca.:
  
'''Technical Data'''
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'''Technische Daten'''
* Type: 3-way closed, compact speaker
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* Bauart: 2 1/2-Wege, Bassreflex
 
* Chassis:  
 
* Chassis:  
** woofer: 1 x 230 mm (cone)
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** Tieftöner: 220 mm
midrange driver: 1 x 50 mm (dome)
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** Mitteltöner: 70 mm
** tweeter: 1x 19 mm (dome)
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** Hochtöner: 25 mm
* Power handling (nominal/music): 60 / 100 Watt
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* Belastbarkeit (Nenn/Musik): 60/100 Watt
* Efficiency: 88 dB / 1 W / 1 m
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* Wirkungsgrad:
* Frequency response: 30 - 25,000 Hz
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* Frequenzgang:
* Transitional ranges: 700 / 4,000 Hz
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* Übergangsbereiche:
* Impedance: 4 Ohm
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* Impedanz: 4 Ohm
  
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'''Besondere Ausstattungen'''
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* hier aufzählen
  
== Comments ==
 
* Other models in the same series:
 
* [[Heco Professional 250]]
 
* [[Heco Professional 450]]
 
* [[Heco Professional 550]]
 
* [[Heco Professional 650]]
 
  
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== Bemerkungen ==
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Weitere Modelle der gleichen Serie:
  
== Pictures ==
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== Bilder ==
* Image: Heco Professional 550
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[[Bild:http://img210.imageshack.us/img210/3065/heco2og2.jpg]]
http://www.radiomuseum.org/images/radio/heco_pulheim/professional_650_564288.jpg
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== Berichte ==
 
 
 
 
* Picture: Heco Professional 550
 
http://users.atw.hu/speeditor/images/heco-13.jpg
 
 
 
 
 
* Picture: Heco Professional 550
 
http://users.atw.hu/speeditor/images/heco-15.jpg
 
 
 
 
 
== Reports ==
 
 
 
  
 
== Links ==
 
== Links ==
  
 
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[[Kategorie:Lautsprecher]]
[[Category:Loudspeaker]]
 

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