• Country
• Australia

• Manufacturer / Brand
• Plessey Rola/Plessey Australia Pty. Limited; Villawood, NSW

• Year
• 1971

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 319531

• Wave bands
• - without

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm

• Material
• Various materials

• from Radiomuseum.org
• Model: Plessey Rola Ferrite C8MPA [15 Ω Voice Coil Impedance] - Plessey Rola/Plessey Australia

• Notes

• 8" public address loudspeaker.

  Power handling capacity	10 watts RMS.
  Diaphragm	Fundamental resonance: 125 Hz.
  Frequency response	120 Hz - 6 kHz.
  Voice coil impedance	15 ohms at 400 Hz.
  Air gap flux density	0.91 tesla.
  Total gap flux	360 µ weber.
  Transformer	Not supplied.
  Principle dimensions	Overall diameter of diaphragm housing: 8 1/16" Size of baffle opening: 7 1/16" Diameter of voice coil: 1". Depth from pad ring to rear: 2 27/32"
  Mounting	Four 5/16" x 7/32" slots spaced 90º apart on 7 19/32" pitch circle diameter.
  Finish	Not stated.
  Weight (without transformer)	Not stated.

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

• Author
• Model page created by Martin Kent. See "Data change" for further contributors.

• Other Models

• Here you find 24 models, 17 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Plessey Rola/Plessey Australia Pty. Limited; Villawood, NSW