• Country
• Germany

• Manufacturer / Brand
• Isophon, E. Fritz & Co. GmbH.; Berlin

• Year
• 1979/1980

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 127700

• • Brand: Isophon

• Main principle
• none

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 8 W (unknown quality)

• from Radiomuseum.org
• Model: Zusatz-Lautsprecher ZL80R - Isophon, E. Fritz & Co. GmbH.;

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 125 x 200 x 130 mm / 4.9 x 7.9 x 5.1 inch

• Notes
• Übertragungsbereich 130 Hz bis 18 kHz, 100-V-Anpassungsübertrager 8/4/2 Watt eingebaut, Schalldruck 85 dB, Lautstärkereglerller, Aufhängevorrichtung an der Rückwand.

• Mentioned in
• -- Original-techn. papers. (1979/1980)

• Author
• Model page created by Karlheinz Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 253 models, 242 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Isophon, E. Fritz & Co. GmbH.; Berlin