- Country
- Sweden
- Manufacturer / Brand
- Svenska AB Trådlös Telegrafi (Telefunken); Stockholm
- Year
- 1925 ?
- Category
- Commercial Transmitter (TX not Transceiver)
- Radiomuseum.org ID
- 181135
Lamp. Tuning for maximum antenna current.
Capacitor
Inside view.
Spark Gap (4 gaps in series)
Variometer
Condenser and transformer.
Quenched Spark Gap details
Marking on cabinet
Click on the schematic thumbnail to request the schematic as a free document.
- Main principle
- Transmitter
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Wave Bands given in the notes.
- Power type and voltage
- Powered by external power supply or a main unit. / 35-60 Volt
- Loudspeaker
- - - No sound reproduction output.
- Material
- Special material, described in the notes.
- from Radiomuseum.org
- Model: RTP03 - Svenska AB Trådlös Telegrafi
- Notes
- 300 W (150 W output) spark transmitter. System Telefunken "Tönende Funken". Supply power 35-60 VAC / 500 Hz from motor generator. Original transmitting frequencies according to information given on the set, 375 kHz, 425 kHz and 500 kHz.
Grey painted cabinet made of Plywood.
- Author
- Model page created by Bengt Falkenberg. See "Data change" for further contributors.
- Other Models
-
Here you find 13 models, 13 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Svenska AB Trådlös Telegrafi (Telefunken); Stockholm