• País
• Australia

• Fabricante / Marca
• Plessey Rola/Plessey Australia Pty. Limited; Villawood, NSW

• Año
• 1971

• Categoría
• Altavoz, cascos o auricular

• Radiomuseum.org ID
• 319506

• Gama de ondas
• - no hay

• Altavoz
• Altavoz elíptico de imán permanente.

• Material
• Materiales diversos

• de Radiomuseum.org
• Modelo: Plessey Alnico 9-6H [27 Ω Voice Coil Impedance] - Plessey Rola/Plessey Australia

• Anotaciones

• 9" x 6" elliptical loudspeaker.

  Power handling capacity	6 watts peak.
  Diaphragm	Fundamental resonance: 90 Hz.
  Frequency response	85 Hz - 6 kHz.
  Voice coil impedance	27 ohms.
  Air gap flux density	0.82 tesla.
  Total gap flux	200 μ weber.
  Transformer	Type Q or D for equipment deriving power from mains or vibrators.
  Principle dimensions	Overall diameter of diaphragm housing: 9 7/32" x 6 11/32" Size of baffle opening: 8 ¾" x 5 ⅞" Diameter of voice coil: ¾" Depth from pad ring to rear: 3 5/16"
  Mounting	Four slots spaced 4 ⅝" apart on a 4" pitch circle diameter. Dimensions of slots 11/32" x 7/32"
  Finish	Baked enamel diaphragm housing, magnet shell black lacquered.
  Weight (without transformer)	1 lb 1½ ozs.

  Previously branded Rola.

• Documentación / Esquemas (1)
• - - Manufacturers Literature (Plessey Rola Loudspeaker Data, PR101, August 1972.)

• Autor
• Modelo creado por Martin Kent. Ver en "Modificar Ficha" los participantes posteriores.

• Otros modelos

• Donde encontrará 24 modelos, 17 con imágenes y 0 con esquemas.
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