• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1969

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 312281

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Metal case

• from Radiomuseum.org
• Model: 3 X 8 inch Oval Standard Loudspeaker AD3890 /X4 /X8 /X800 - Philips; Eindhoven tubes

• Dimensions (WHD)
• 74 x 197 x 50.2 mm / 2.9 x 7.8 x 2 inch

• Notes

• Philips 3 x 8 inch Oval Standard Loudspeaker type AD3890 /X

  Available versions:

  • /X4:       Z= 4 Ω @ 120 Hz
  • /X8:       Z= 8 Ω @ 120 Hz
  • /X800:   Z= 800 Ω @ 125 Hz

   

• Net weight (2.2 lb = 1 kg)
• 0.210 kg / 0 lb 7.4 oz (0.463 lb)

• Mentioned in
• -- Original-techn. papers. (Miniwatt Copresa "Altavoces" 1973)

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 5233 models, 4365 with images and 3446 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt