Dynamic Microphone (Ball & Biscuit) 4021
Standard Telephones and Cables Ltd. (STC); London, Foots Cray
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Standard Telephones and Cables Ltd. (STC); London, Foots Cray
- Year
- 1935 ?
- Category
- Microphone or Pick-up element
- Radiomuseum.org ID
- 347652
-
- Brand: Micromesh tubes
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: Dynamic Microphone 4021 - Standard Telephones and Cables
- Shape
- Miscellaneous shapes - described under notes.
- Notes
-
STC 4021 - moving coil or dynamic microphone.
Known as the "Ball & Biscuit" model by collectors,
- Author
- Model page created by Keith Ellison. See "Data change" for further contributors.
- Other Models
-
Here you find 38 models, 33 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Collections
The model Dynamic Microphone (Ball & Biscuit) is part of the collections of the following members.