Model C Fluxmaster Series 3C 15 ohm voicecoil

Rola Company (AUS) Pty. Ltd.; Melbourne

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  • Year
  • 1962 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 316458

 Technical Specifications

  • Wave bands
  • - without
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Model C Fluxmaster Series 3C [15 ohm voicecoil] - Rola Company AUS Pty. Ltd.;
  • Notes

  • Model 3C* is a 3½ inch loudspeaker intended particularly for use in personal portable receivers, intercommunication systems and hospital radio installations. It also has application as a monitor loudspeaker.
    *Fluxmaster series.

    Power handling capacity 5 watts max.
    Diaphragm Fundamental resonance: 237 c.p.s. (Hz) F94 cone.
    Frequency response 220 c.p.s. (hz) - 8.5 K.C. (kHz)
    Voice coil impedance 15 ohms at 400 c.p.s. (Hz)
    Air gap flux density 7,450 Gauss
    Total gap flux 12,200 lines
    Transformer G type isocore, detached for chassis mounting.
    Principle dimensions Overall diameter of diaphragm housing: 3-9/16"
    Size of baffle opening: 2¾"
    Diameter of voice coil: ½"
    Depth from pad ring to rear: 1-9/16"
    Maximum overall height: 3-9/16"
    Mounting Four holes .196" diameter spaced 90º apart on a
    3-15/16" pitch circle diameter.
    Finish Cadmium plated housed, magnet black lacquered.
    Weight (without transformer) 4¾ ozs
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Rola Loudspeaker Data Technical Bulletin, No. 22, 1/5/1962.)
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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