56B Headphone
Murdock, WM.J. Co.; Chelsea
- Country
- United States of America (USA)
- Manufacturer / Brand
- Murdock, WM.J. Co.; Chelsea
- Year
- 1921
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 137092
-
- alternative name: William J. Murdock Co.
William.B.Duck Catalog No.16
IRE-1923-02-87
- Power type and voltage
- No Power needed
- from Radiomuseum.org
- Model: 56B Headphone - Murdock, WM.J. Co.; Chelsea
- Notes
- Headphones (receivers) 3000 ohms. See also a 2000 ohm model 56A.
- Price in first year of sale
- 6.00 $
- Mentioned in
- The William B.Duck Catalog No.16
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 88 models, 70 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Murdock, WM.J. Co.; Chelsea