BG 20

BG 20

Product catalog summary
Product Overview:
The document describes a 20 cm (8”) full-range speaker with a dual cone, known for its high efficiency. It is suitable for use as a full-range unit in vocal or guitar monitors or as a mid-range unit in PA systems and musician boxes. The speaker is identified as MB 208/H, pentAton BB.
Specifications:
  • Rated Power: 40 W
  • Maximum Power: 70 W
  • Impedance: 8 Ω
  • Frequency Response: fu–18000 Hz (–10 dB)
  • Mean Sound Pressure Level: 92 dB (1 W/1 m)
  • Excursion Limit (xmech): ± 6 mm
  • Resonant Frequency: 38 Hz
  • Height of Front Pole-Plate: 4 mm
  • Voice Coil Diameter: 25 mm Ø
  • Height of Winding: 8 mm
  • Cut-out Diameter: 184 mm Ø
  • Terminal: 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (–)
  • Net Weight: 1.3 kg
Volume/Principle:
  • Closed: 30 l, Frequency: 82 Hz/0.96
  • Bass Reflex: 30 l, BR 15.34, Frequency: 42 Hz
  • Bass Reflex: 50 l, BR 15.34 (Length: 7 cm), Frequency: 42 Hz
Additional Information:
Further data can be found on pages 377–378. The lower cut-off frequency is dependent on the cabinet design.
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Catalog excerpts

BG 20-1

20 cm (8“) Breitbandlautsprecher mit Hochtonkegel. Hoher Wirkungsgrad. Geeignet als Breitbänder für kleine Gesangs- und Gitarrenmonitore oder als Mitteltöner für PA-Anlagen und Musikerboxen. Bestückung: MB 208/H, Pentaton BB. 20 cm (8”) full-range speaker with dual cone. High efficiency. Suitable for full-range units as vocal or guitar monitors or as a mid-range unit for full-scale or musi ians’ PA systems. c Applied to: MB 208/H, Pentaton BB. Volumen/Prinzip; Volume/Principle 30 l/geschlossen; closed 30 l/Bassreflex; bass reflex 50 l/Bassreflex; bass reflex Technische Daten / Technical Data Nennbelastbarkeit Rated power Musikbelastbarkeit Maximum power Impedanz Impedance Übertragungsbereich (–10 dB) Frequency response (–10 dB) Mittlerer Schalldruckpegel Mean sound pressure level Grenzauslenkung xmech Excursion limit xmech Resonanzfrequenz Resonant frequency Obere Polplattenhöhe Height of front pole-plate Schwingspulendurchmesser Voice coil diameter Wickelhöhe Height of winding Schallwandöffnung Cut-out diameter Anschluss Terminal Gewicht netto Net weight Weitere Daten Seiten / for further data see pages 377–378 fu: Untere Grenzfrequenz abhängig vom Gehäuse; Lower cut-off frequency depending on cabinet © VISATON GmbH & Co. KG • Ohligser Straße 29-31 • D-42781 Haan • Tel.: 0 21 29 / 5 52 - 0 • Fax: 0 21

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