Difference between revisions of "Heco Professional 450"

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== Daten ==
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== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein'''
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'''General'''
* Hersteller: [[Heco]]
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* Manufacturer: [[Heco]]
* Modell: Professional 450
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* Model: Professional 450
* Baujahre: um 1978/79
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* Type: Loudspeaker
* Hergestellt bei: HECO Hennel + Co. GmbH - D-6384 Schmitten 1
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* Years of manufacture: 1978 - 1979
* Farbe: Nussbaum, Schwarz
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* Manufactured by: HECO Hennel + Co. GmbH - D-6384 Schmitten 1
* Abmessungen: 400 x 250 x 200 mm (HxBxT)
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* Manufactured in: Federal Republic of Germany (West Germany)
* Gewicht: 8 kg
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* Colour: Walnut, Black
* Neupreis ca.:  
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* Dimensions: 400 x 250 x 200 mm (HxWxD)
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* Weight: 8 kg
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* Original price approx.: 380 DM
  
  
'''Technische Daten'''
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'''Technical data'''
* Bauart: 3-Wege geschlossen, Kompaktlautsprecher
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* Type: 3-way closed, compact speaker
 
* Chassis:
 
* Chassis:
** Tieftöner: 1x 180 mm
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** Woofer: 1 x 200 mm
** Mitteltöner: 1x 45 mm (Kalotte)
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midrange driver: 1 x 38 mm (dome)
** Hochtöner: 1x 20 mm (Kalotte)
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** Tweeter: 1 x 19 mm (dome)
* Belastbarkeit (Nenn/Musikleistung): 50 / 80 Watt
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* Power handling (nominal/music power): 50 / 80 Watt
* Wirkungsgrad:
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* Efficiency: 87 dB / 1 W / 1 m
* Frequenzgang: 35 - 25.000 Hz
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* Frequency response: 35 - 25,000 Hz
* Übergangsbereiche: 1.000 / 3.500 Hz
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* Transitional ranges: 1,000 / 3,500 Hz
* Impedanz: 4 Ohm  
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* Impedance: 4 Ohm  
  
  
'''Besondere Ausstattungen'''
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== Comments ==
* -
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* Other models in the same series:
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* [[Heco Professional 250]]
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* [[Heco Professional 450]]
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* [[Heco Professional 550]]
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* [[Heco Professional 650]]
  
  
== Bemerkungen ==
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== Pictures ==
Weitere Modelle der gleichen Serie:
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* Picture: Heco Professional 450
* [[Heco Professional 250|Professional 250]]
 
* [[Heco Professional 450|Professional 450]]
 
* [[Heco Professional 550|Professional 550]]
 
* [[Heco Professional 650|Professional 650]]
 
== Bilder ==
 
 
http://www.radiomuseum.org/images/radio/heco_pulheim/professional_650_564288.jpg
 
http://www.radiomuseum.org/images/radio/heco_pulheim/professional_650_564288.jpg
  
== Berichte ==
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* Picture: Heco Professional 450
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http://users.atw.hu/speeditor/images/heco-13.jpg
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 +
 
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* Picture: Heco Professional 450
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http://users.atw.hu/speeditor/images/heco-15.jpg
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 +
 
 +
== Reports ==
 +
 
  
 
== Links ==
 
== Links ==
  
[[Kategorie:Lautsprecher]]
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[[Category:Loudspeaker]]

Latest revision as of 05:50, 9 March 2020

Data[edit]

General

  • Manufacturer: Heco
  • Model: Professional 450
  • Type: Loudspeaker
  • Years of manufacture: 1978 - 1979
  • Manufactured by: HECO Hennel + Co. GmbH - D-6384 Schmitten 1
  • Manufactured in: Federal Republic of Germany (West Germany)
  • Colour: Walnut, Black
  • Dimensions: 400 x 250 x 200 mm (HxWxD)
  • Weight: 8 kg
  • Original price approx.: 380 DM


Technical data

  • Type: 3-way closed, compact speaker
  • Chassis:
    • Woofer: 1 x 200 mm

midrange driver: 1 x 38 mm (dome)

    • Tweeter: 1 x 19 mm (dome)
  • Power handling (nominal/music power): 50 / 80 Watt
  • Efficiency: 87 dB / 1 W / 1 m
  • Frequency response: 35 - 25,000 Hz
  • Transitional ranges: 1,000 / 3,500 Hz
  • Impedance: 4 Ohm


Comments[edit]


Pictures[edit]

  • Picture: Heco Professional 450

professional_650_564288.jpg


  • Picture: Heco Professional 450

heco-13.jpg


  • Picture: Heco Professional 450

heco-15.jpg


Reports[edit]

Links[edit]