Highlights











































Description

Number of Transistors
Semiconductors present.
Semiconductors
Main principle
Audio-Amplification
Wave bands
- without
Power type and voltage
Dry Batteries / 9 Volt
Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Material
Plastics (no bakelite or catalin)
from Radiomuseum.org
Model: Telefonverstu00e4rker Hello-Phone - m-e micro-electric; Bremen
Shape
Miscellaneous shapes - described under notes.
Dimensions (WHD)
70 x 120 x 70 mm / 2.8 x 4.7 x 2.8 inch
Author
Model page created by Ju00f6rg Holtzapfel. See "Data change" for further contributors.
Other Models
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Tu00e9lu00e9graphie sans fil.