Power Dynamic Speaker
Ozarka Inc.; Chicago
- Country
- United States of America (USA)
- Manufacturer / Brand
- Ozarka Inc.; Chicago
- Year
- 1929
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 49978
Ozarka Dynamic Speaker
Rear View of Ozarka Dynamic Speaker
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Power Dynamic Speaker - Ozarka Inc.; Chicago
- Shape
- Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
- Notes
-
At least with the picture of the model 90 AC, this can be earliest for 1929.
- Source of data
- -- Original prospect or advert
- Other Models
-
Here you find 92 models, 61 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Ozarka Inc.; Chicago