- Country
- United States of America (USA)
- Manufacturer / Brand
- American Microphone Co.; Pasadena (CA)
- Year
- 1950
- Category
- Microphone or Pick-up element
- Radiomuseum.org ID
- 143472
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: R-331 - American Microphone Co.;
- Dimensions (WHD)
- 2 x 6 x 2 inch / 51 x 152 x 51 mm
- Notes
- American Microphone R-331;
Ribbon mic., response 50 - 8.000 Hz, pattern: true velocity bi-directional, low (30 - 50) med. (250) or high (40.000) impedance selectable.
- Price in first year of sale
- 75.00 $
- Source of data
- -- Collector info (Sammler)
- Author
- Model page created by a member from A. See "Data change" for further contributors.
- Other Models
-
Here you find 10 models, 9 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from American Microphone Co.; Pasadena (CA)