Konus-Lautsprecher heptagonal 2016

• Country
• Netherlands

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

• Year
• 1928–1931

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 7449

• Picture
• Schematics

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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). / Ø 33 cm = 13 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Konus-Lautsprecher heptagonal 2016 - Philips; Eindhoven tubes

• Shape
• Miscellaneous shapes - described under notes.

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

• Notes
• LS mit 7eckigem Rand; zum Anhängen oder Aufstellen.

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

• Price in first year of sale
• 51.00 RM

• Source of data
• Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1930/31 (dick)

• Picture reference
• Das Gerät ist im Doppelband "Historische Radios" von Günther Abele abgebildet.

• 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