- Country
- USA
- Manufacturer / Brand
- DeForest Radio Telephone & Telegraph Co. (De Forest); New York
- Year
- 1916/1917
- Category
- Rundfunkempfänger (Radio - oder Tuner nach WW2)
- Radiomuseum.org ID
- 189998
-
- anderer Name: Lee De Forest Mfg.
- Number of Tubes
- 2
- Valves / Tubes
- Audion_dbw Audion_dbw
- Main principle
- Geradeaus allg. (mit oder ohne Rückk.)
- Tuned circuits
- 1 Kreis(e) AM
- Wave bands
- Langwelle, Mittelwelle (LW+MW).
- Power type and voltage
- Akku und/oder Batterie
- Lautsprecher
- - Für Kopfhörer oder NF-Verstärker
- Material
- Holz, von aussen SICHTBARE RÖHREN.
- from Radiomuseum.org
- Model: RJ-7 - DeForest Radio Telephone &
- Form
- Tischgerät, Truhenform, meist mit Deckel (NICHT Schrägpult).
- Notes
- tuner + amplifier.
- Price in first year of sale
- 200.00 $
- Mentioned in
- De Forest catalog B16
- Literatur/Schema (1)
- Radio Manufacturers of the 1920s, Vol 1 (p.164)
- Author
- Model page created by Alan Scott Douglas † 16.11.15. See "Data change" for further contributors.
- Other Models
-
Here you find 158 models, 133 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from DeForest Radio Telephone & Telegraph Co. (De Forest); New York
Collections
The model RJ-7 is part of the collections of the following members.