• Year
  • 1973 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 358956

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 10 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Tweeter Speaker AD 4490 /T8 - Philips; Eindhoven tubes
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 105 x 105 x 84 mm / 4.1 x 4.1 x 3.3 inch
  • Notes
  • Features:

    • Frequency response: 2,500 ÷ 15,000 Hz
    • Magnetic flux: 8,300 Gauss
    • Resonance frequency: 380 Hz
    • Impedance: 8 Ω

    GBC catalog number: AC/2420-00

  • Mentioned in
  • -- Original prospect or advert (GBC Electronic Components, Italy 1973 edition.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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