AD4000M

Philips; Eindhoven (tubes international!); Miniwatt

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  • Year
  • 1959–1965
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 291167

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm
  • Power out
  • 10 W (max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AD4000M - Philips; Eindhoven tubes
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 261 x 261 x 137 mm / 10.3 x 10.3 x 5.4 inch
  • Notes

  • Very wide frequency range. Extensive smooth response curve. Mechanical dampening at low frequencies.

    Power handling capacity: 10 watts
    Voice coil impedance: 7 ohms
    Resonance frequency: 50 Hz
    Frequency range: 45 - 18000 Hz

    Efficiency: 6 %
    Flux density: 8,000 gauss
    Total magnetic flux: 98,000 maxwell
    Magnet weight: 298 grams

    Mounting diameter: 244 mm
    Magnet diameter: 76 mm

    Note: production dates of this speaker may extend beyond mentioned years.

  • Net weight (2.2 lb = 1 kg)
  • 1.770 kg / 3 lb 14.4 oz (3.899 lb)
  • Mentioned in
  • - - Manufacturers Literature (NL: Philips Masterrange Loudspeakers RL028-E10-'59)

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