• Country
• Netherlands

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

• Year
• 1927–1930

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 13153

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles).

• Material
• Various materials

• from Radiomuseum.org
• Model: Konus-Lautsprecher Heptagonal 2017 - Philips; Eindhoven tubes

• Dimensions (WHD)
• 330 x 330 x 200 mm / 13 x 13 x 7.9 inch

• Notes
• Form etc. wie Mod. 2016 von 1927 aber System einstellbar.

• Net weight (2.2 lb = 1 kg)
• 0.9 kg / 1 lb 15.7 oz (1.982 lb)

• External source of data
• E. Erb 3-907007-36-0

• Other Models

• Here you find 5271 models, 4415 with images and 3456 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt