Fluxmaster Series 8K With F57 cone.

Rola Company (AUS) Pty. Ltd.; Melbourne

Data
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Collections

  • Year
  • 1952–1959
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 313933

 Technical Specifications

  • Wave bands
  • - without
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
  • from Radiomuseum.org
  • Model: Fluxmaster Series 8K [With F57 cone.] - Rola Company AUS Pty. Ltd.;
  • Notes

  • 8" loudspeaker with F57 cone.

    Power handling capacity 5½ watts (8 watts peak).
    Diaphragm Fundamental resonance: 85 c.p.s. (Hz)
    Frequency response 85 c.p.s. (Hz) - 6 K.C. (kHz)
    Voice coil impedance 2 ohms at 400 c.p.s. (Hz)
    Air gap flux density 7,000 Gauss (Gs)
    Total gap flux 27,000 lines
    Transformer Type K or C for equipment deriving power from mains or vibrators.
    Principle dimensions Overall diameter of diaphragm housing: 8 1/16"
    Size of baffle opening: 7"
    Diameter of voice coil: 1"
    Depth from pad ring to rear: 3¼"
    Mounting Four slots spaced 90º apart on a 7 19/32" pitch circle diameter. Dimensions of slots 5/16" x 7/32"
    Finish Baked enamel diaphragm housing, magnet shell
    black lacquered.
    Weight (without transformer) 1 lb 3½ ozs.
    • Trade price without transformer £1/8/-. Trade price with Type C transformer detached, £1/18/8 & attached £2/0/5.
    • Retail price without transformer £2/2/1. Retail price with Type C transformer detached, £2/19/8 & attached £3/0/9.  
  • Price in first year of sale
  • 3.22 AUS £
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Rola Loudspeaker Data No. 11, April 1952.)
  • Literature/Schematics (2)
  • -- Original prospect or advert (Radio TV & Hobbies, Sep 1952, Page 26.)
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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