upright 91 AC
Ozarka Inc.; Chicago
- Country
- United States of America (USA)
- Manufacturer / Brand
- Ozarka Inc.; Chicago
- Year
- 1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 49948
By courtesy of "antiqueradios.com"!
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Details
- Record Player (perh.Changer)
- Power type and voltage
- Alternating Current supply (AC) / 110 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: upright 91 AC - Ozarka Inc.; Chicago
- Shape
- Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
- Notes
- Push-pull af output stage.
- External source of data
- Ernst Erb
- Source of data
- The Radio Collector's Directory and Price Guide 1921 - 1965
- Circuit diagram reference
- Rider's Perpetual, Volume 3 = 1933 and before
- 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