AD4200 M

Philips; Eindhoven (tubes international!); Miniwatt

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  • Year
  • 1959 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 291280

 Technical Specifications

  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 29.4 cm = 11.6 inch
  • Power out
  • 20 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AD4200 M - Philips; Eindhoven tubes
  • Shape
  • Chassis only or for «building in»
  • Notes

  • Very wide frequency range. Extensive smooth response curve. Economical efficiency.

    Power handling capacity: 20 watts
    Voice coil impedance: 7 ohms
    Resonance frequency: 45 Hz

    Efficiency: 7 %
    Flux density: 8,000 gauss
    Total magnetic flux: 98,000 maxwell
    Magnet weight: 298 grams

    Distance between fixing holes: 294 mm

    Depth: 156 mm
    Magnet diameter: 76 mm

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

  • Net weight (2.2 lb = 1 kg)
  • 1.8 kg / 3 lb 15.4 oz (3.965 lb)
  • Mentioned in
  • - - Manufacturers Literature (NL: Philips Masterrange Loudspeakers RL028-E10-'59)

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