Fluxmaster Series 5C 15 Ω Voice Coil Impedance

Rola Company (AUS) Pty. Ltd.; Melbourne

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  • Year
  • 1961–1963
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 315917

 Technical Specifications

  • Wave bands
  • - without
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Fluxmaster Series 5C [15 Ω Voice Coil Impedance] - Rola Company AUS Pty. Ltd.;
  • Notes

  • 5" loudspeaker with F51 cone.

    Power handling capacity 2½ watts (4½ Watts Peak).
    Diaphragm Fundamental resonance: 135 c.p.s. (Hz)
    Frequency response 130 c.p.s. (hz) - 7 K.C. (kHz)
    Voice coil impedance 15 ohms at 400 c.p.s. (Hz)
    Air gap flux density 7,700 Gauss
    Total gap flux 14,500 lines
    Transformer Type E or G for equipment deriving power from mains
    or vibrators.
    Type G for equipment deriving power from dry
    batteries
    Principle dimensions Overall diameter of diaphragm housing: 5"
    Size of baffle opening: 4 1/16"
    Diameter of voice coil: ¾"
    Depth from pad ring to rear: 2"
    Mounting Four holes 13/64" diameter spaced 90º apart on a
    4 11/16" pitch circle diameter.
    Finish Baked enamel diaphragm housing, magnet shell
    black lacquered.
    Weight (without transformer) 5½ ozs.

    Superseded by Type 5CQ.

  • 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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