Editing Electro Voice Interface Beta

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== Data ==
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== Daten ==
{{navigation}}
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{{Navigation}}
'''General'''
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'''Allgemein'''
* Manufacturer: [[Electro Voice]]
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* Hersteller: [[Electro Voice]]
* Model: Interface Beta
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* Modell: Interface Beta
* Years of manufacture: ca. 1981-1982
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* Baujahre: 1980 - 1983
* Manufactured in: Nidau/Switzerland
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* Hergestellt in: Nidau/Schweiz
* Colour: walnut or oak veneer
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* Farbe: Nußbaum Furnier
* Dimensions: 775 x 405 x 280 mm (WxHxD)
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* Abmessungen: x x mm (HxBxT)
* Weight: 19 kg
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* Gewicht:
* Original price approx.: 2800,- DM (pair with equalizer)
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* Neupreis ca.:  
  
  
'''Technical data'''
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'''Technische Daten'''
* Type: 2-way, closed with passive radiator, floorstanding speaker
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* Bauart: 2-Wege, geschlossen mit Passivmembran, Standlautsprecher
* drivers:
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* Chassis:
** woofer: 1x 305 mm (passive membrane)
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** Tieftöner: 1x 305 mm (Passivmembran)
** midrange / bass driver: 1x 203 mm
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** Mittel-/Tieftöner: 1x 200 mm
Tweeter: 1x Super-Dome 38mm dome with acoustic lens
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** Hochtöner: 1x Superdome Kalotte
* Power handling (nominal/music): 25W / 250W
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* Belastbarkeit (Nenn-/Musikb.):  
* Efficiency:
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* Wirkungsgrad:
* Sound pressure:
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* Frequenzgang: 35 - 18.000 Hz (±3 dB)
** 92 dB (1 m/1 W input).
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* Übergangsbereiche:
100 dB peak (3.6 W input)
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* Impedanz: 4 Ohm
108 dB peak (25 W input)
 
118 dB Peak (250 W Peak Input)
 
Frequency Response:
 
** 30 - 18000 Hz (±2.5 dB).
 
26 - 20000 Hz (DIN)
 
* Transition Ranges: 42 Hz (Acoustical) / 1500 Hz (Electrical)
 
* Coverage angle:
 
** 125 degrees (±30 degrees) at 500 - 8000 Hz.
 
75 degrees (at 12500 Hz)
 
* Impedance: 8 Ohm (nominal) / 5 Ohm (min.)
 
  
  
'''Special Features'''
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'''Besondere Ausstattungen'''
* external equalizer to attenuate the treble radiation: slope 0/-3/-6 dB starting at 10kHz
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* Nachfolger der Interface B, mit neuem Hochtöner
* successor of the Interface B, with new tweeter
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* externer Equalizer, um die Höhenfilter Flankensteilheit (-3/-6/-9 dB) zu beeinflussen
* difference to the Alpha => integrated stand, arrangement of the systems in the cabinet
 
 
 
 
 
* external equalizer CH-2560 to influence the treble filter slope (0/-3/-6 dB from 10kHz)
 
* dimensions: 205 x 65 x 155 mm (WxHxD).
 
* distortion max. 0.005% (20-20000 Hz, 1V)
 
 
 
== Remarks ==
 
Other models of the same series:
 
* [[Electro Voice Interface Alpha|Interface Alpha]]
 
* [[Electro Voice Interface Gamma|Interface Gamma]]
 
* [[Electro Voice Interface Delta|Interface Delta]]
 
 
 
Interface Beta, manufactured in Europe, is largely the same as Interface B series 3, manufactured in America.
 
(power supply of the equalizer however 220V instead of 110/120V)
 
 
 
== Pictures ==
 
 
 
== Reports ==
 
* Tested in German HiFi magazine Stereoplay issue 6/1982
 
 
 
== Links ==
 
 
 
[[Category:Loudspeaker]]
 

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