• Country
• Netherlands

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

• Year
• 1969

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 173046

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) / Ø 21.6 cm = 8.5 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: 8-1/2 inch Round High Quality Loudspeaker 9710M /01 - Philips; Eindhoven tubes

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 216.5 x 216.5 x 113.2 mm / 8.5 x 8.5 x 4.5 inch

• Notes

• Philips 8-1/2 inch Round High Quality Loudspeaker type 9710M/01

  Breitband-System, perm.-dyn., 10 Watt Belastbarkeit.
  Frequenzbereich 30...18000 Hz, Eigenresonanz 50 Hz, Impedanz 7 Ω.
  Feldstärke 8000 Gauß (Ticonalmagnet).
  Mit Hochtonkonus, Weiterentwicklung vom Typ 9710M.
  Philips Lager-Nr. 2422 258 48002.

• Net weight (2.2 lb = 1 kg)
• 1.8 kg / 3 lb 15.4 oz (3.965 lb)

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

• Author
• Model page created by Bernhard Nagel. See "Data change" for further contributors.

• Other Models

• Here you find 5244 models, 4386 with images and 3445 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt