• Country
• Germany

• Manufacturer / Brand
• GERUD, H. Gerber; Ulm, Langenau

• Year
• 1955

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 323550

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 9.5 cm = 3.7 inch

• Power out
• 2 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Geruphon 3-D-Resonator - GERUD, H. Gerber; Ulm,

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 400 x 155 x 155 mm / 15.7 x 6.1 x 6.1 inch

• Notes

• Röhrenförmiger Lautsprecher in Papprolle mit Kunststoff-Überzug. Lt. Werbung mit "3-D Charakter und Pseudo-Stereophonie".

  Belastbarkeit lt. Werbung: 8 Watt (2 Watt lt. Funkschau)

  Zur Wandmontage oder als Autolautsprecher.

• Price in first year of sale
• 27.95 DM

• Mentioned in
• Funkschau (Heft 16, August u. Heft 19, Oktober 1955)

• Literature/Schematics (1)
• -- Original prospect or advert

• Author
• Model page created by Egon Strampe. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GERUD, H. Gerber; Ulm, Langenau