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__NOTOC__
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{{braucht Arbeit}}
== Data ==
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== Daten ==
{{navigation}}
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{{Navigation}}
'''General'''
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'''Allgemein'''
* Manufacturer: [[Heco]]
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* Hersteller: [[Heco]]
* Model: Professional P4000
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* Modell: Professional P 4000
* Type: Loudspeaker
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* Baujahre: um 1970
* Years of manufacture: 1969 - 1971
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* Hergestellt in: Deutschland, Schmitten (Taunus)
* Made in: Germany
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* Farbe: Nussbaum oder weisser Polyesterlack, Schallwandverkleidung aus eloxierten Alu-Lochblech( hellgoldfarben oder silber)
* Original price approx.: see technical data
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* Abmessungen: 250 x 460 x 200 mm (HxBxT), 23 Liter brutto
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* Gewicht:11,1 Kg
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* Neupreis ca.: 456,- DM
  
  
'''Technical data'''
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'''Technische Daten'''
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* Bauart: 3-Wege geschlossen, akustisch gedämpft
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* Chassis:
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** Tieftöner: 1x 205mm Tieftonstrahler mit pneumatischer Aufhängung , Magn. Fluss 112.000 Maxwell, Feldstärke 12000 Oersted
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** Mitteltöner. 1x 37mm , hemisphärische Kalottenmembran ( dometyp ), Magn. Fluss 65.000  Maxwell, Feldstärke 14000 Oersted
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** Hochtöner: 1x  25mm , hemisphärische Kalottenmembran ( dometyp ), Magn. Fluss 30.000  Maxwell, Feldstärke 17000 Oersted
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* Belastbarkeit (Nenn-/Musikb.):40/55 W
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* Wirkungsgrad:
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* Frequenzgang:30-25.000Hz, 45-16000Hz +-2dB
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* Übergangsbereiche: 800Hz / 3000Hz
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* Impedanz: 4-8 Ohm
  
[[File:Heco Professional P-4000-Daten.jpg]]
 
  
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'''Besondere Ausstattungen'''
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Raumgröße 25m²-38m²
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Grundresonanz 60Hz
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Empfohlene Verstärkerleistung 25-55Watt
  
== Remarks ==
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== Bemerkungen ==
* Other models in the same series:
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* Design wie P-Serie
* [[Heco Professional P1000]]
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* DIN Anschlüsse
* [[Heco Professional P2000]]
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* Vorgänger der x001 und der P x302 / P x302 SL Serien
* [[Heco Professional P3000]]
 
* [[Heco Professional P4000]]
 
* [[Heco Professional P5000]]
 
* [[Heco Professional P6000]]
 
 
 
 
 
== Pictures ==
 
* Picture: Heco Professional P4000
 
[[File:Heco Professional P4000-1.jpg|600px]]
 
 
 
 
 
== Reports ==
 
 
 
 
 
== Links ==
 
 
 
 
 
[[Category:Loudspeaker]]
 

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