Difference between revisions of "Electro Voice Interface Beta"
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| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Electro Voice]] |
| − | * | + | * Model: Interface Beta |
| − | * | + | * Years of manufacture: ca. 1981-1982 |
| − | * | + | * Manufactured in: Nidau/Switzerland |
| − | * | + | * Colour: walnut or oak veneer |
| − | * | + | * Dimensions: 775 x 405 x 280 mm (WxHxD) |
| − | * | + | * Weight: 19 kg |
| − | * | + | * Original price approx.: 2800,- DM (pair with equalizer) |
| − | ''' | + | '''Technical data''' |
| − | * | + | * Type: 2-way, closed with passive radiator, floorstanding speaker |
| − | * | + | * drivers: |
| − | ** | + | ** woofer: 1x 305 mm (passive membrane) |
| − | ** | + | ** midrange / bass driver: 1x 203 mm |
| − | + | Tweeter: 1x Super-Dome 38mm dome with acoustic lens | |
| − | * | + | * Power handling (nominal/music): 25W / 250W |
| − | * | + | * Efficiency: |
| − | * | + | * Sound pressure: |
| − | ** | + | ** 92 dB (1 m/1 W input). |
| − | + | 100 dB peak (3.6 W input) | |
| − | + | 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''' |
| − | * | + | * external equalizer to attenuate the treble radiation: slope 0/-3/-6 dB starting at 10kHz |
| − | * | + | * successor of the Interface B, with new tweeter |
| − | * | + | * 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 == | == Links == | ||
| − | [[ | + | [[Category:Loudspeaker]] |
Latest revision as of 17:12, 11 February 2016
Contents
Data[edit]
General
- Manufacturer: Electro Voice
- Model: Interface Beta
- Years of manufacture: ca. 1981-1982
- Manufactured in: Nidau/Switzerland
- Colour: walnut or oak veneer
- Dimensions: 775 x 405 x 280 mm (WxHxD)
- Weight: 19 kg
- Original price approx.: 2800,- DM (pair with equalizer)
Technical data
- Type: 2-way, closed with passive radiator, floorstanding speaker
- drivers:
- woofer: 1x 305 mm (passive membrane)
- midrange / bass driver: 1x 203 mm
Tweeter: 1x Super-Dome 38mm dome with acoustic lens
- Power handling (nominal/music): 25W / 250W
- Efficiency:
- Sound pressure:
- 92 dB (1 m/1 W input).
100 dB peak (3.6 W input) 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
- external equalizer to attenuate the treble radiation: slope 0/-3/-6 dB starting at 10kHz
- successor of the Interface B, with new tweeter
- 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[edit]
Other models of the same series:
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[edit]
Reports[edit]
- Tested in German HiFi magazine Stereoplay issue 6/1982